Predicting The Stock Market Quotes

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How good are markets in predicting real-world developments? Reading the record, it is striking how many calamities that I anticipated did not in fact materialise. Financial markets constantly anticipate events, both on the positive and on the negative side, which fail to materialise exactly because they have been anticipated. It is an old joke that the stock market has predicted seven of the last two recessions. Markets are often wrong.
George Soros
Predicting the stock market is really predicting how other investors will change estimates they are now making with all their best efforts. This means that, for a market forecaster to be right, the consensus of all others must be wrong and the forecaster must determine in which direction-up or down-the market will be moved by changes in the consensus of those same active investors.
Burton G. Malkiel (The Elements of Investing)
The stock market has predicted nine out of the last five recessions.
Paul A. Samuelson
Two-thirds of professionally managed funds are regularly outperformed by a broad capitalization-weighted index fund with equivalent risk, and those that do appear to produce excess returns in one period are not likely to do so in the next. The record of professionals does not suggest that sufficient predictability exists in the stock market to produce exploitable arbitrage opportunities.
Burton G. Malkiel (A Random Walk Down Wall Street: The Time-Tested Strategy for Successful Investing)
But do you know what happened during this period? Where do we begin ... 1.3 million Americans died while fighting nine major wars. Roughly 99.9% of all companies that were created went out of business. Four U.S. presidents were assassinated. 675,000 Americans died in a single year from a flu pandemic. 30 separate natural disasters killed at least 400 Americans each. 33 recessions lasted a cumulative 48 years. The number of forecasters who predicted any of those recessions rounds to zero. The stock market fell more than 10% from a recent high at least 102 times. Stocks lost a third of their value at least 12 times. Annual inflation exceeded 7% in 20 separate years. The words “economic pessimism” appeared in newspapers at least 29,000 times, according to Google.
Morgan Housel (The Psychology of Money)
Like human beings, stocks behave differently. Some of them are calm, slow, conservative. Others are jumpy, nervous, tense. Some of them I found easy to predict. They were consistent in their moves, logical in their behavior. They were like dependable friends.
Nicolas Darvas (How I Made $2,000,000 In The Stock Market)
Professional investment may be likened to those newspaper competitions in which the competitors have to pick out the six prettiest faces from a hundred photographs, the prize being awarded to the competitor whose choice most nearly corresponds to the average preferences of the competitors as a whole; so that teach competitor has to pick not those faces which he himself finds prettiest, but those which he thinks likeliest to catch the fancy of the other competitors, all of whom are looking at the problem from the same point of view. It is not a case of choosing those which, to the best of one's judgement are really the prettiest, nor even those which average opinion genuinely thinks the prettiest. We have reached the third degree where we devote our intelligences to anticipating what average opinion expects the average opinion to be. And there are some, I believe, who practice the fourth, fifth and higher degrees.
John Maynard Keynes
Successful gamblers, instead, think of the future as speckles of probability, flickering upward and downward like a stock market ticker to every new jolt of information.
Nate Silver (The Signal and the Noise: Why So Many Predictions Fail-but Some Don't)
RANDOM-WALK AND ACTUAL STOCK-MARKET CHARTS
Nate Silver (The Signal and the Noise: Why So Many Predictions Fail-but Some Don't)
A bull doesn’t go wrong in predicting an upswing in a falling market. He goes wrong when he predicts a down swing in a rising market.
Vijay Kedia
[..] neoproletariat caste, the future cybercattle of neurocracy, joyous sophisticate of the always-incomplete chain of predation, primed by silos of soya, stocks of onions, pork bellies…and completed by the global apotheosis of the Great Futures Market of neurolivestock, more volatile (and more profitable) than all the livestock of the Great Plains. Neurolivestock certainly enjoy an existence more comfortable than serfs or millworkers, but they do not easily escape their destiny as the self-regulating raw material of a market as predictable and as homogeneous as a perfect gas, a matter counted in atoms of distress, stripped of all powers of negotiation, renting out their mental space, brain by brain.
Gilles Châtelet (To Live and Think Like Pigs: The Incitement of Envy and Boredom in Market Democracies)
You make plans and decisions assuming randomness and chaos are for chumps. The illusion of control is a peculiar thing because it often leads to high self-esteem and a belief your destiny is yours for the making more than it really is. This over-optimistic view can translate into actual action, rolling with the punches and moving ahead no matter what. Often, this attitude helps lead to success. Eventually, though, most people get punched in the stomach by life. Sometimes, the gut-punch doesn’t come until after a long chain of wins, until you’ve accumulated enough power to do some serious damage. This is when wars go awry, stock markets crash, and political scandals spill out into the media. Power breeds certainty, and certainty has no clout against the unpredictable, whether you are playing poker or running a country. Psychologists point out these findings do not suggest you should throw up your hands and give up. Those who are not grounded in reality, oddly enough, often achieve a lot in life simply because they believe they can and try harder than others. If you focus too long on your lack of power, you can slip into a state of learned helplessness that will whirl you into a negative feedback loop of depression. Some control is necessary or else you give up altogether. Langer proved this when studying nursing homes where some patients were allowed to arrange their furniture and water plants—they lived longer than those who had had those tasks performed by others. Knowing about the illusion of control shouldn’t discourage you from attempting to carve a space for yourself out of whatever field you want to tackle. After all, doing nothing guarantees no results. But as you do so, remember most of the future is unforeseeable. Learn to coexist with chaos. Factor it into your plans. Accept that failure is always a possibility, even if you are one of the good guys; those who believe failure is not an option never plan for it. Some things are predictable and manageable, but the farther away in time an event occurs, the less power you have over it. The farther away from your body and the more people involved, the less agency you wield. Like a billion rolls of a trillion dice, the factors at play are too complex, too random to truly manage. You can no more predict the course of your life than you could the shape of a cloud. So seek to control the small things, the things that matter, and let them pile up into a heap of happiness. In the bigger picture, control is an illusion anyway.
David McRaney (You Are Not So Smart)
By buying a share in a “total market” index fund, you acquire an ownership share in all the major businesses in the economy. Index funds eliminate the anxiety and expense of trying to predict which individual stocks, bonds, or mutual funds will beat the market.
Burton G. Malkiel (The Elements of Investing: Easy Lessons for Every Investor)
Most traders are trading based on their own predictions, opinions, and emotions. These are the worst trading signals. Instead, develop trading rules that will guide you. Replace your opinions with trade signals, your ego with position sizing, and your emotions with a trading plan.
Steve Burns (Trading Habits: 39 of the World's Most Powerful Stock Market Rules)
irrational behavior in the markets may result precisely because individuals are responding rationally according to their incentives. So long as most traders are judged on the basis of short-term performance, bubbles involving large deviations of stock prices from their long-term values are possible—and perhaps even inevitable.
Nate Silver (The Signal and the Noise: Why So Many Predictions Fail-but Some Don't)
Financial markets are far too complex to isolate any single variable with ease, as if conducting a scientific experiment. The record is utterly bereft of evidence that definitive predictions of short-term fluctuations in stock prices can be made with consistent accuracy. The prices of common stocks are evanescent and illusory.
John C. Bogle (The Clash of the Cultures: Investment vs. Speculation)
predictive judgments that provide input—for instance, how a candidate will perform in her first year, how the stock market will respond to a given strategic move, or how quickly the epidemic will spread if left unchecked. But the final decisions entail trade-offs between the pros and cons of various options, and these trade-offs are resolved by evaluative judgments.
Daniel Kahneman (Noise)
An American home has not, historically speaking, been a lucrative investment. In fact, according to an index developed by Robert Shiller and his colleague Karl Case, the market price of an American home has barely increased at all over the long run. After adjusting for inflation, a $10,000 investment made in a home in 1896 would be worth just $10,600 in 1996. The rate of return had been less in a century than the stock market typically produces in a single year.
Nate Silver (The Signal and the Noise: Why So Many Predictions Fail-but Some Don't)
Sound investing is not complicated. Save a portion of every dollar you earn or that otherwise comes your way. The greater the percent of your income you save and invest, the sooner you’ll have F-You Money. Try saving and investing 50% of your income. With no debt, this is perfectly doable. The beauty of a high savings rate is twofold: You learn to live on less even as you have more to invest. The stock market is a powerful wealth-building tool and you should be investing in it. But realize the market and the value of your shares will sometimes drop dramatically. This is absolutely normal and to be expected. When it happens, ignore the drops and buy more shares. This will be much, much harder than you think. People all around you will panic. The news media will be screaming Sell, Sell, Sell! Nobody can predict when these drops will happen, even though the media is filled with those who claim they can. They are delusional, trying to sell you something or both. Ignore them. When you can live on 4% of your investments per year, you are financially independent.
J.L. Collins (The Simple Path to Wealth: Your road map to financial independence and a rich, free life)
The current ten largest currencies in the foreign exchange markets are listed in Table 4, along with their annual broad money supply increase for the periods between 1960–2015 and 1990–2015.16 The average for the ten most internationally liquid currencies is 11.13% for the period 1960–2015, and only 7.79% for the period between 1990 and 2015. This shows that the currencies that are most accepted worldwide, and have the highest salability globally, have a higher stock-to-flow ratio than the other currencies, as this book's analysis would predict.
Saifedean Ammous (The Bitcoin Standard: The Decentralized Alternative to Central Banking)
This is why one of every five fish on dinner plates is caught illegally and the global black market for seafood is worth more than $20 billion. Most of the world’s fish stocks are in crisis from overfishing. By 2050, some studies predict, there will be more plastic waste in the sea than fish, measured in weight. The oceans are despoiled and depleted because most governments have neither the inclination nor the resources to protect them. It is hard enough to get the public’s attention about the dangers of global warming, even as the effects of it become clear, including hotter temperatures, rising seas, and more severe storms. But dwindling fish stocks? They hardly register.
Ian Urbina (The Outlaw Ocean: Journeys Across the Last Untamed Frontier)
It was hard to ask someone like Zara about that sort of thing directly, so the psychologist asked instead: “Why do you like your job?” “Because I’m an analyst. Most people who do the same job as me are economists,” Zara replied immediately. “What’s the difference?” “Economists only approach problems head-on. That’s why economists never predict stock market crashes.” “And you’re saying that analysts do?” “Analysts expect crashes. Economists only earn money when things go well for the bank’s customers, whereas analysts earn money all the time.” “Does that make you feel guilty?” the psychologist asked, mostly to see if Zara thought that word was a feeling or something to do with gold plating. “Is it the croupier’s fault if you lose your money at the casino?” Zara asked. “I’m not sure that’s a fair comparison.” “Why not?” “Because you use words like ‘stock market crash,’ but it’s never the stock market or the banks that crash. Only people do that.” “There’s a very logical explanation for why you think that.” “Really?” “It’s because you think the world owes you something. It doesn’t.” “You still haven’t answered my question. I asked why you like your job. All you’ve done is tell me why you’re good at it.” “Only weak people like their jobs.” “I don’t think that’s true.” “That’s because you like your job.” “You say that as if there’s something wrong with that.
Fredrik Backman (Anxious People)
The flat tire that threw Julio into a temporary panic and the divorce that almost killed Jim don’t act directly as physical causes producing a physical effect—as, for instance, one billiard ball hitting another and making it carom in a predictable direction. The outside event appears in consciousness purely as information, without necessarily having a positive or negative value attached to it. It is the self that interprets that raw information in the context of its own interests, and determines whether it is harmful or not. For instance, if Julio had had more money or some credit, his problem would have been perfectly innocuous. If in the past he had invested more psychic energy in making friends on the job, the flat tire would not have created panic, because he could have always asked one of his co-workers to give him a ride for a few days. And if he had had a stronger sense of self-confidence, the temporary setback would not have affected him as much because he would have trusted his ability to overcome it eventually. Similarly, if Jim had been more independent, the divorce would not have affected him as deeply. But at his age his goals must have still been bound up too closely with those of his mother and father, so that the split between them also split his sense of self. Had he had closer friends or a longer record of goals successfully achieved, his self would have had the strength to maintain its integrity. He was lucky that after the breakdown his parents realized the predicament and sought help for themselves and their son, reestablishing a stable enough relationship with Jim to allow him to go on with the task of building a sturdy self. Every piece of information we process gets evaluated for its bearing on the self. Does it threaten our goals, does it support them, or is it neutral? News of the fall of the stock market will upset the banker, but it might reinforce the sense of self of the political activist. A new piece of information will either create disorder in consciousness, by getting us all worked up to face the threat, or it will reinforce our goals, thereby freeing up psychic energy.
Mihály Csíkszentmihályi (Flow: The Psychology of Optimal Experience)
Instead of relying on the Newtonian metaphor of clockwork predictability, complexity seems to be based on metaphors more closely akin to the growth of a plant from a tiny seed, or the unfolding of a computer program from a few lines of code, or perhaps even the organic, self-organized flocking of simpleminded birds. That's certainly the kind of metaphor that Chris Langton has in mind with artificial life: his whole point is that complex, lifelike behavior is the result of simple rules unfolding from the bottom up. And it's likewise the kind of metaphor that influenced Arthur in the Santa Fe economics program: "If I had a purpose, or a vision, it was to show that the messiness and the liveliness in the economy can grow out of an incredibly simple, even elegant theory. That's why we created these simple models of the stock market where the market appears moody, shows crashes, takes off in unexpected directions, and acquires something that you could describe as a personality.
M. Mitchell Waldrop (Complexity: The Emerging Science at the Edge of Order and Chaos)
The market's second wild trait-almost-cycles-is prefigured in the story of Joseph. Pharaoh dreamed that seven fat cattle were feeding in the meadows, when seven lean kine rose out of the Nile and ate them. Likewise, seven scraggly ears of corn consumed seven plump ears. Joseph, a Hebrew slave, called the dreams prophetic: Seven years of famine would follow seven years of prosperity. He advised Pharaoh to stockpile grain for bad times to come. And when all passed as prophesied, "Joseph opened all the storehouses, and sold unto the Egyptians...And all countries came into Egypt to Joseph to buy corn; because that the famine was so sore in all lands." Given the profits he and Pharaoh must have made, one might call Joseph the first international arbitrageur. That pattern, familiar from Hurst's work on the Nile, also appears in markets. A big 3 percent change in IBM's stock one day might precede a 2 percent jump another day, then a 1.5 percent change, then a 3.5 percent move-as if the first big jumps were continuing to echo down the succeeding days' trading. Of course, this is not a regular or predictable pattern. But the appearance of one is strong. Behind it is the influence of long-range dependence in an otherwise random process-or, put another way, a long-term memory through which the past continues to influence the random fluctuations of the present.
Benoît B. Mandelbrot (The (Mis)Behavior of Markets)
In his job as a financial educator, Keith had spent a fair amount of time breaking down the act — and sometimes art — of short selling, in a way that less savvy customers could understand. When a trader believed a company was in trouble, and its stock was overvalued, they could 'borrow' shares, sell them, and then when the stock went down as they'd predicted, rebuy the shares at a lower price, return them to whoever they'd borrowed them from, and pocket the difference. If GameStop was trading at 5, you could borrow 100 shares, sell them for $500; when the stock hit 1, you bought back the 100 shares for $100, returned them, pocketing $400 for yourself. You paid a little fee to the lender for their trouble and came out with a tidy profit. But what happened if the stock went up instead of down? What happened if GameStop figured out how to capitalize on its millions of nostalgic customers, who spent billions on video games every year? What if the stock went to 10 instead of 1? What happened was, the short seller was royally screwed. He'd borrowed those 100 shares and sold them at 5. Now the stock was at 10, but he still needed to return his 100 shares. Buying them on the market at 10 meant spending $1000. And what was worse, when he'd borrowed the shares, he'd agreed on a timeline to return them. There was a ticking clock hanging over his head, so he had a choice — buy the shares back at 10 now, losing $500 on the deal — or wait a little longer, hoping the stock went back down before his time limit was up. And what if he waited, and the stock kept going up? Sooner or later, he had to buy those shares back. Even if the stock went to 15, 20 — he was on the hook for those 100 shares. Theoretically, there was no limit to how much he could lose.
Ben Mezrich (The Antisocial Network: The GameStop Short Squeeze and the Ragtag Group of Amateur Traders That Brought Wall Street to Its Knees)
The fragility of the US economy had nearly destroyed him. It wasn't enough that Citadel's walls were as strong and impenetrable as the name implied; the economy itself needed to be just as solid. Over the next decade, he endeavored to place Citadel at the center of the equity markets, using his company's superiority in math and technology to tie trading to information flow. Citadel Securities, the trading and market-making division of his company, which he'd founded back in 2003, grew by leaps and bounds as he took advantage of his 'algorithmic'-driven abilities to read 'ahead of the market.' Because he could predict where trades were heading faster and better than anyone else, he could outcompete larger banks for trading volume, offering better rates while still capturing immense profits on the spreads between buys and sells. In 2005, the SEC had passed regulations that forced brokers to seek out middlemen like Citadel who could provide the most savings to their customers; in part because of this move by the SEC, Ken's outfit was able to grow into the most effective, and thus dominant, middleman for trading — and especially for retail traders, who were proliferating in tune to the numerous online brokerages sprouting up in the decade after 2008. Citadel Securities reached scale before the bigger banks even knew what had hit them; and once Citadel was at scale, it became impossible for anyone else to compete. Citadel's efficiency, and its ability to make billions off the minute spreads between bids and asks — multiplied by millions upon millions of trades — made companies like Robinhood, with its zero fees, possible. Citadel could profit by being the most efficient and cheapest market maker on the Street. Robinhood could profit by offering zero fees to its users. And the retail traders, on their couches and in their kitchens and in their dorm rooms, profited because they could now trade stocks with the same tools as their Wall Street counterparts.
Ben Mezrich (The Antisocial Network: The GameStop Short Squeeze and the Ragtag Group of Amateur Traders That Brought Wall Street to Its Knees)
In contemporary Western society, buying a magazine on astrology - at a newsstand, say - is easy; it is much harder to find one on astronomy. Virtually every newspaper in America has a daily column on astrology; there are hardly any that have even a weekly column on astronomy. There are ten times more astrologers in the United States than astronomers. At parties, when I meet people that do not know I’m a scientist, I am sometimes asked “Are you a Gemini?” (chances of success, one in twelve), or “What sign are you?” Much more rarely am I asked “Have you heard that gold is made in supernova explosions?” or “When do you think Congress will approve a Mars Rover?” (...) And personal astrology is with us still: consider two different newspaper astrology columns published in the same city on the same day. For example, we can examine The New York Post and the New York Daily News on September 21, 1979. Suppose you are a Libra - that is, born between September 23 and October 22. According to the astrologer for the Post, ‘a compromise will help ease tension’; useful, perhaps, but somewhat vague. According to the Daily News’ astrologer, you must ‘demand more of yourself’, an admonition that is also vague but also different. These ‘predictions’ are not predictions; rather they are pieces of advice - they tell you what to do, not what will happen. Deliberately, they are phrased so generally that they could apply to anyone. And they display major mutual inconsistencies. Why are they published as unapologetically as sport statistics and stock market reports? Astrology can be tested by the lives of twins. There are many cases in which one twin is killed in childhood, in a riding accident, say, or is struck by lightning, while the other lives to a prosperous old age. Each was born in precisely the same place and within minutes of the other. Exactly the same planets were rising at their births. If astrology were valid, how could two such twins have such profoundly different fates? It also turns out that astrologers cannot even agree among themselves on what a given horoscope means. In careful tests, they are unable to predict the character and future of people they knew nothing about except their time and place of birth.
Carl Sagan (Cosmos)
You don’t have to choose the perfect investment or save exactly the right amount or predict your rate of return or spend hours watching television shows about the stock market or surfing the Internet for stock picks. You don’t need a plan for every contingency.
Carl Richards (The Behavior Gap)
Oil and Gas Investing in Permian Basin-Smart Move As the true scope of Permian Basin is being understood, one thing is very clear; it is going to attract a lot of investment. As in case of all oil and gas investments, the sooner you invest, the better your returns are going to be. Right now is the perfect time for oil and gas investing in Permian Basin. There are a lot of benefits of choosing to invest in things other than the property, shares and stocks circuit. It not just helps you spread out your earnings, it lets you test potential markets such as these. As these markets are not overcrowded, there is more scope for growth. But why should you choose oil and gas investing in Permian Basin when you have dependable assets elsewhere? The answer is that those assets multiply at such a slow pace that you forget they are there while when there is an oil and gas boom, it turns your fortunes. An oil well investment brings with it years of steady income with the benefit of tax deduction on the investment. It is not as much a gamble as it is made out to be and oil strikes are more frequent than people would like you to believe. About 15% annual income from oil and gas wells is exempt from tax and 65-85% of your first year's investment can be waived off. Gone are the days when all you could do with oil well was bore increasingly downwards, vertically. Now there is technology available that lets you draw oil supply for a long, long time after the initial vertical bore runs dry. With new advancements in drilling and extracting techniques, a lot of oil that was earlier as good as not being there has suddenly become readily available. Being with a company that is well equipped with the latest technology gives your investment more stability. That is one of the reasons for a revival of the boom in Permian Basin and it has been predicted to last for a long time to come. Choose with great care a reliable and experienced company that is a seasoned hand at oil and gas drilling and production. Oil and gas investing in Permian Basin is bound to attract many investors looking to be a part of the upward trend. Invest today and reap benefits for years to come.
Nate Lewis
Predictably Irrational, by Dan Ariely, talks about the psychology behind many of our poor investment decisions in a manner that is friendly for the layperson. Stocks for the Long Run by Jeremy Siegel and Triumph of the Optimists by Elroy Dimson both discuss historical stock market returns in detail.
Alex Frey (A Beginner's Guide to Investing: How to Grow Your Money the Smart and Easy Way)
uninhabitable for the first time since it was declared America’s capital in 1790, and the scientific community predicts that it will remain so for a decade. The stock market plunges as investors anticipate draconian customs regimes that will choke global trade. Fear of further attacks paralyzes America and much of the Western world. Hours after the explosion, a little known terrorist group claims responsibility. It is the first time the president, who was not in Washington at the time of the blast, and his surviving cabinet members, including the director of national intelligence, have heard of the group. After searching intelligence databases, analysts report that the group is linked to three hostile governments, all of which have issued statements condemning the
Benjamin Schwartz (Right of Boom: The Aftermath of Nuclear Terrorism)
So many people were basing decisions on Granville’s forecasts in the early 1980s that when he said something was going to happen, it happened because they believed it would. That is, when he said the market would go down, the prediction scared buyers out of the market – and lo, it went down. This happened early in 1981, when Granville told his disciples to sell everything. The day after this famous warning was issued, the stock market fell out of bed – 23 points on the Dow. All of Wall Street said ooh and ah. What a powerful prophet was this Granville! The plunge was brief but impressive while it lasted.
Max Gunther (The Zurich Axioms: The rules of risk and reward used by generations of Swiss bankers)
If your needs are not attainable through safe instruments, the solution is not to increase the rate of return by upping the level of risk. Instead, goals may be revised, savings increased, or income boosted through added years of work. . . . Somebody has to care about the consequences if uncertainty is to be understood as risk. . . . As we’ve seen, the chances of loss do decline over time, but this hardly means that the odds are zero, or negligible, just because the horizon is long. . . . In fact, even though the odds of loss do fall over long periods, the size of potential losses gets larger, not smaller, over time. . . . The message to emerge from all this hype has been inescapable: In the long run, the stock market can only go up. Its ascent is inexorable and predictable. Long-term stock returns are seen as near certain while risks appear minimal, and only temporary. And the messaging has been effective: The familiar market propositions come across as bedrock fact. For the most part, the public views them as scientific truth, although this is hardly the case. It may surprise you, but all this confidence is rather new. Prevailing attitudes and behavior before the early 1980s were different. Fewer people owned stocks then, and the general popular attitude to buying stocks was wariness, not ebullience or complacency. . . . Unfortunately, the American public’s embrace of stocks is not at all related to the spread of sound knowledge. It’s useful to consider how the transition actually evolved—because the real story resists a triumphalist interpretation. . . . Excessive optimism helps explain the popularity of the stocks-for-the-long-run doctrine. The pseudo-factual statement that stocks always succeed in the long run provides an overconfident investor with more grist for the optimistic mill. . . . Speaking with the editors of Forbes.com in 2002, Kahneman explained: “When you are making a decision whether or not to go for something,” he said, “my guess is that knowing the odds won’t hurt you, if you’re brave. But when you are executing, not to be asking yourself at every moment in time whether you will succeed or not is certainly a good thing. . . . In many cases, what looks like risk-taking is not courage at all, it’s just unrealistic optimism. Courage is willingness to take the risk once you know the odds. Optimistic overconfidence means you are taking the risk because you don’t know the odds. It’s a big difference.” Optimism can be a great motivator. It helps especially when it comes to implementing plans. Although optimism is healthy, however, it’s not always appropriate. You would not want rose-colored glasses in a financial advisor, for instance. . . . Over the long haul, the more you are exposed to danger, the more likely it is to catch up with you. The odds don’t exactly add, but they do accumulate. . . . Yet, overriding this instinctive understanding, the prevailing investment dogma has argued just the reverse. The creed that stocks grow steadily safer over time has managed to trump our common-sense assumption by appealing to a different set of homespun precepts. Chief among these is a flawed surmise that, with the passage of time, downward fluctuations are balanced out by compensatory upward swings. Many people believe that each step backward will be offset by more than one step forward. The assumption is that you can own all the upside and none of the downside just by sticking around. . . . If you find yourself rejecting safe investments because they are not profitable enough, you are asking the wrong questions. If you spurn insurance simply because the premiums put a crimp in your returns, you may be destined for disappointment—and possibly loss.
Zvi Bodie
The fundamentals of the economy remain strong.' That cliche is repeated by authorities as they try to restore public confidence after every major stock market decline. They have the opportunity to say this because just about every major stock market decline appears inexplicable if one looks only at the factors that logically ought to influence stock markets. It is practically always the stock market that has changed; indeed the fundamentals haven't. How do we know that these changes could not be generated by fundamentals? If prices reflect fundamentals, they do so because those fundamentals are useful in forecasting future stock payoffs. In theory the stock prices are the predictors of the discounted value of those future income streams, in the form of future dividends or future earnings. But stock prices are much too variable. They are even much more variable than those discounted streams of dividends (or earnings) that they are trying to predict.
George A. Akerlof (Animal Spirits: How Human Psychology Drives the Economy, and Why It Matters for Global Capitalism)
As a retail day trader, you profit from volatility in the market. If the markets are flat, you are not going to make any money; only high frequency traders make money under these circumstances. Therefore, you need to find stocks that will make quick moves to the upside or to the downside in a relatively predictable manner.
AMS Publishing Group (Intelligent Stock Market Trading and Investment: Quick and Easy Guide to Stock Market Investment for Absolute Beginners)
for the common emotional traps mentioned earlier, we offer the following tools for escape: Recency bias. Never assume today’s results predict tomorrow’s. It’s a changing world. Overconfidence. No one can consistently predict short-term movements in the market. This means you and/or the person investing your money. Loss aversion. Be a risk manager instead of a risk avoider. Believing you are avoiding risk can be a costly illusion. Paralysis by analysis. Every day you don’t invest is a day less you’ll have the power of compounding working for you. Put together an intelligent investment plan and get started. If you need help, seek out a good financial planner to assist you. The endowment effect. Just because you own it, or are a part of it, doesn’t automatically mean it’s worth more. Get an objective evaluation. Invest no more than 10 percent of your portfolio in your employer’s stock. Mental accounting. Remember that all money spends the same, regardless of where it comes from. Money already spent is a sunk cost and should play no part in making future decisions. Anchoring. Holding out until you get your price to sell an investment is playing a fool’s game. So is blindly assuming that your financial person is doing a great job without getting an objective reading of what’s really going on. Get a second opinion. Financial negligence. Take the time to learn the basics of sound investing. It’s really pretty simple stuff. Knowing it can make the difference between having a life of poverty or one of prosperity.
Taylor Larimore (The Bogleheads' Guide to Investing)
Just because market corrections are a regular occurrence and there hasn’t been one in a while, doesn't mean that the next is imminent. We want to feel that we can predict patterns which gives us a false sense of security.
Coreen T. Sol (Unbiased Investor: Reduce Financial Stress and Keep More of Your Money)
While you cannot predict human emotion, you can make intelligent decisions about a company’s business prospects. You can evaluate their economic outlook and that of the business they’re operating in. This process removes emotion and market sentiment from the equation and is the only way to make money in the long-term reliably.
Freeman Publications (The 8-Step Beginner’s Guide to Value Investing: Featuring 20 for 20 - The 20 Best Stocks & ETFs to Buy and Hold for The Next 20 Years: Make Consistent ... Even in a Bear Market (Stock Investing 101))
The most robust evidence indicates that this wisdom-of-crowds principle holds when forecasts are made independently before being averaged together. In a true betting market (including the stock market), people can and do react to one another’s behavior.
Nate Silver (The Signal and the Noise: Why So Many Predictions Fail—But Some Don't)
Not only were the best forecasters foxy as individuals, they had qualities that made them particularly effective collaborators—partners in sharing information and discussing predictions. Every team member still had to make individual predictions, but the team was scored by collective performance. On average, forecasters on the small superteams became 50 percent more accurate in their individual predictions. Superteams beat the wisdom of much larger crowds—in which the predictions of a large group of people are averaged—and they also beat prediction markets, where forecasters “trade” the outcomes of future events like stocks, and the market price represents the crowd prediction. It might seem like the complexity of predicting geopolitical and economic events would necessitate a group of narrow specialists, each bringing to the team extreme depth in one area. But it was actually the opposite. As with comic book creators and inventors patenting new technologies, in the face of uncertainty, individual breadth was critical. The foxiest forecasters were impressive alone, but together they exemplified the most lofty ideal of teams: they became more than the sum of their parts. A lot more.
David Epstein (Range: Why Generalists Triumph in a Specialized World)
Put together two stock market forecasts - one predicting that prices will rise next month and one warning of a drop. Send the first mail to fifty thousand people and the second mail to a different set of fifty thousand. Suppose that after one month, the indices have fallen. Now you can send another mail, but this time only to the fifty thousand who received the correct prediction. This fifty thousand you divide into two groups: the first half learns prices will increase next month, and the second half discovers they will fall. Continue doing this. After ten months, around a hundred people will remain, all of whom you have advised impeccably. From their perspective, you are a genius. You have proven that you are truly in possession of prophetic powers. Some of these people will trust you with their money. Take it and start a new life in Brazil.
Rolf Dobelli (The Art of Thinking Clearly)
We remember reading in 1916, when U. S. Steel sold up around $136 a share, a prediction that it was going to sell up to $1000 a share. Probably many people who read such news items consider them seriously. Of course, that was a most exaggerated prediction, but during the extreme activity of a bull market, it seems that nearly everybody is talking in exaggerated terms of optimism. That is why most traders seldom ever take their profits in a bull market. They wait until stock prices start to come down, and then they are likely to think there will be rallies, and keep on waiting until they lose all their profits.
John James Butler (Successful Stock Speculation)
We don’t greet each other with the best things going on in our lives—we hide them—and greet each other instead with the dire news or the pessimistic stock market predictions. We are a culture of whiners and complainers.
John Delony (Own Your Past Change Your Future: A Not-So-Complicated Approach to Relationships, Mental Health & Wellness)
John Allen Paulos, in his book, A Mathematician Plays the Stock Market, reveals the highest correlation ever found to the S&P 500: It was the amount of butter produced in the country of Bangladesh. Apparently, between 1983 and 1993, when butter production was up 1 percent, the S&P 500 was up 2 percent the next year. Conversely, if butter production was down 10 percent, you could predict the S&P 500 would be down 20 percent.
Allan S. Roth (How a Second Grader Beats Wall Street: Golden Rules Any Investor Can Learn)
Stop trying to predict the direction of the stock market, the economy, interest rates, or elections.
Warren Buffett
Wishes Mindfulness is nevermore a good thing, as any other accident-prone fumbler would accept. No one wants a floodlight when they're likely to stumble on their face. Moreover, I would extremely pointedly be asked- well, ordered really-that no one gave me any presents this year. It seemed like Mr. Anderson and Ayanna weren't the only ones who had decided to overlook that. I would have never had much wealth, furthermore, that had never more disturbed me. Ayanna had raised me on a kindergarten teacher's wage. Mr. Anderson wasn't getting rich at his job, either; he was the police chief here in the tiny town of Pittsburgh. My only personal revenue came from the four days a week I worked at the local Goodwill store. In a borough this small, I was blessed to have a career, after all the viruses in the world today having everything shut down. Every cent I gained went into my diminutive university endowment at SNHU online. (College transpired like nothing more than a Plan B. I was still dreaming for Plan A; however, Marcel was just so unreasonable about leaving me, mortal.) Marcel ought to have a lot of funds I didn't even want to think about how much. Cash was involved alongside oblivion to Marcel or the rest of the Barns, like Karly saying she never had anything yet walked away with it all. It was just something that swelled when you had extensive time on your hands and a sister who had an uncanny ability to predict trends in the stock market. Marcel didn't seem to explain why I objected to him spending bills on me, why it made me miserable if he brought me to an overpriced establishment in Los Angeles, why he wasn't allowed to buy me a car that could reach speeds over fifty miles an hour, approximately how? I wouldn't let him pay my university tuition (he was ridiculously enthusiastic about Plan B.) Marcel believed I was being gratuitously difficult. Although, how could I let him give me things when I had nothing to retaliate amidst? He, for some amazing incomprehensible understanding, wanted to be with me. Anything he gave me on top of that just propelled us more out of balance. As the day went on, neither Marcel nor Olivia brought my birthday up again, and I began to relax a little. Then we sat at our usual table for lunch. An unfamiliar kind of break survived at that table. The three of us, Marcel, Olivia, including myself hunkered down on the steep southerly end of the table. Now that is ‘superb’ and scarier (in Emmah's case, unquestionably.) The Natalie siblings had finished. We were gazing at them; they're so odd, Olivia and Marcel arranged not to seem quite so intimidating, and we did not sit here alone. My other compatriots, Lance, and Mikaela (who were in the uncomfortable post-breakup association phase,) Mollie and Sam (whose involvement had endured the summertime...) Tim, Kaylah, Skylar, and Sophie (though that last one didn't count in the friend category.) Completely assembled at the same table, on the other side of an interchangeable line. That line softened on sunshiny days when Marcel and Olivia continuously skipped school times before there was Karly, and then the discussion would swell out effortlessly to incorporate me.
Marcel Ray Duriez (Nevaeh Hard to Let Go)
Mindfulness is nevermore a good thing, as any other accident-prone fumbler would accept. No one wants a floodlight when they're likely to stumble on their face. Moreover, I would extremely pointedly be asked- well, ordered really-that no one gave me any presents this year. It seemed like Mr. Anderson and Ayanna weren't the only ones who had decided to overlook that. I would have never had much wealth, furthermore, that had never more disturbed me. Ayanna had raised me on a kindergarten teacher's wage. Mr. Anderson wasn't getting rich at his job, either; he was the police chief here in the tiny town of Pittsburgh. My only personal revenue came from the four days a week I worked at the local Goodwill store. In a borough this small, I was blessed to have a career, after all the viruses in the world today having everything shut down. Every cent I gained went into my diminutive university endowment at SNHU online. (College transpired like nothing more than a Plan B. I was still dreaming for Plan A; however, Marcel was just so unreasonable about leaving me, mortal.) Marcel ought to have a lot of funds I didn't even want to think about how much. Cash was involved alongside oblivion to Marcel or the rest of the Barns, like Karly saying she never had anything yet walked away with it all. It was just something that swelled when you had extensive time on your hands and a sister who had an uncanny ability to predict trends in the stock market.
Marcel Ray Duriez (Nevaeh Hard to Let Go)
Billionaires have had a terrific pandemic. Central banks pumped trillions of dollars into financial markets to save the economy, yet much of that has ended up lining the pockets of billionaires riding a stock market boom. Vaccines were meant to end this pandemic, yet rich governments allowed pharma billionaires and monopolies to cut off the supply to billions of people. The result is that every kind of inequality imaginable risks rising. The predictability of it is sickening. The consequences of it kill.
Gabriela Bucher
30 percent—Domestic equities: US stock funds, including small-, mid-, and large-cap stocks 15 percent—Developed-world international equities: funds from developed foreign countries, including the United Kingdom, Germany, and France 5 percent—Emerging-market equities: funds from developing foreign countries, such as China, India, and Brazil. These are riskier than developed-world equities, so don’t go off buying these to fill 95 percent of your portfolio. 20 percent—Real estate investment trusts: also known as REITs. REITs invest in mortgages and residential and commercial real estate, both domestically and internationally. 15 percent—Government bonds: fixed-interest US securities, which provide predictable income and balance risk in your portfolio. As an asset class, bonds generally return less than stocks. 15 percent—Treasury inflation-protected securities: also known as TIPS, these treasury notes protect against inflation. Eventually you’ll want to own these, but they’d be the last ones I’d get after investing in all the better-returning options first.
Ramit Sethi (I Will Teach You to Be Rich: No Guilt. No Excuses. No B.S. Just a 6-Week Program That Works.)
I had a vision to earn game-changer returns vs. the market by seeking patterns that predict performance
Joseph Furnari (Ludicrous Returns vs. the Market)
Technical analysis is more concerned with the price movements of a stock or an index by examining historical records of trading activity. A technical analyst looks at past data to predict future price movements. They believe that history tends to repeat itself in the stock market and that past performance is the best indicator of what will happen in the future.
Andrew Elder (Technical Analysis for Beginners: Candlestick Trading, Charting, and Technical Analysis to Make Money with Financial Markets Zero Trading Experience Required (Day Trading Book 3))
Moreover, Fama’s thesis—titled “The Behavior of Stock-Market Prices”—corroborated earlier work by the likes of Mandelbrot and Samuelson which argued that markets are close to random, and therefore impossible to predict. As the young economist wrote in the introduction, “The series of price changes has no memory, that is, the past cannot be used to predict the future in any meaningful way.”19
Robin Wigglesworth (Trillions: How a Band of Wall Street Renegades Invented the Index Fund and Changed Finance Forever)
In 1997, money manager David Leinweber wondered which statistics would have best predicted the performance of the U.S. stock market from 1981 through 1993. He sifted through thousands of publicly available numbers until he found one that had forecast U.S. stock returns with 75% accuracy: the total volume of butter produced each year in Bangladesh. Leinweber was able to improve the accuracy of his forecasting “model” by adding a couple of other variables, including the number of sheep in the United States. Abracadabra! He could now predict past stock returns with 99% accuracy. Leinweber meant his exercise as satire, but his point was serious: Financial marketers have such an immense volume of data to slice and dice that they can “prove” anything.
Jason Zweig (Your Money and Your Brain)
These steps will help you remember that correlation is not causation, and that most market prophecies are based on coincidental patterns. That was the problem in the late 1990s at the Motley Fool website. Its Foolish Four portfolios were based on research claiming that factors like the ratio of a company’s dividend yield to the square root of its stock price could predict future outperformance. In the long run, however, a company’s stock can rise only if its underlying business earns more money.
Jason Zweig (Your Money and Your Brain)
the Motley Fool’s goofy ratio couldn’t possibly be causing stock prices to rise, the only sensible conclusion was that its predictive power was an illusion. The Foolish Four portfolio made investors feel like idiots when it lost 14% in the year 2000 alone. Meanwhile, after six years of underperforming the market by nearly two percentage points annually, the Harry Dent–inspired mutual fund shut down in mid-2005 with the Dow mired about 31,000 points below his forecast.
Jason Zweig (Your Money and Your Brain)
The similarity to Nintendo or PlayStation has a chilling implication: Researchers have found that when players do well at a video game, the amount of dopamine released in their brains roughly doubles, and that this surge can linger for at least a half-hour afterward. So the more “price points” you can see, the more your brain will fool itself into thinking it has detected a predictable pattern in the numbers—and the more powerfully your dopamine system will kick in. As we’ve seen, it can take as few as three price changes to make you think you’ve spotted a trend; in years past, when investors got their stock prices out of the newspaper, it could take three days to gather that much data, while today a market website will get you there in less than sixty seconds. No wonder, by the late 1990s, the typical “investor” in popular tech stocks like Qualcomm, VeriSign, and Puma Technology owned them for an average of less than eight days at a time.
Jason Zweig (Your Money and Your Brain)
I could see from the beginning how our wealth could grow. But when I told friends and colleagues what I was up to, Vivian was almost the only one who got it, despite what I had already done in gambling. Although she wasn’t a scientist or mathematician, she shared two qualities with the best of them: She asked the right questions, and she grasped the essentials. She had spent hours helping me film spinning roulette balls so I could make a machine to predict which number would come up, just as she had dealt thousands of blackjack hands so I could practice counting cards. And she helped me edit my books about gambling and the stock market and negotiate the contracts.
Edward O. Thorp (A Man for All Markets: From Las Vegas to Wall Street, How I Beat the Dealer and the Market)
A study of some nine hundred funds (either growth funds or growth and income funds) from 1988 to 1994 found that the returns posted by managers with degrees from universities whose entering students have high SAT scores—such as the Ivy League colleges—beat competitors from lower ranked schools by more than a full percentage point. Younger managers and M.B.A. holders also out-performed their older and non-M.B.A. rivals. The reason behind the superior performance was both simple and predictable. The researchers found that “high SAT” managers and those with M.B.A.s tended to invest in high-risk, high-return stocks! Sound familiar? You don’t need an M.B.A. and you don’t have to pay an active money manager large fees to generate superior returns. All you really need is a faith that markets work—that risks and returns are highly correlated.4
Larry E. Swedroe (The Only Guide to a Winning Investment Strategy You'll Ever Need: The Way Smart Money Invests Today)
In these uncertain days, bond funds are an especially important option for investors. Unlike stock funds, they have high predictability in at least these five ways: (1) The current yields (on longer-term issues) are an excellent—if imperfect—predictor of future returns. (2) The range of gross returns earned by bond managers clusters in an inevitably narrow range that is established by the current level of interest rates in each sector of the market. (3) The choices are wide. As the maturity date lengthens, volatility of principal increases, but volatility of income declines. (4) Whether taxable or municipal, bond fund returns are highly correlated with one another. Municipal bond funds are fine choices for investors in high tax brackets, and inflation-protected bond funds are a sound option for those who believe that much higher living costs will result from the huge federal government deficits of this era. (5) The greatest constant of all is that—given equivalent portfolio quality and maturity—lower costs mean higher returns. (Don’t forget that index bond funds—or their equivalent—carry the lowest costs of all.)
John C. Bogle (Common Sense on Mutual Funds)
You shouldn't confuse “stock trading” with “stock investing.” The former requires the stockholder to purchase, hold, or sell stocks to earn profits. The latter, on the other hand, allows the stockholder to get a regular stream of income just by acquiring stocks.   Trading stocks can help you reap large profits on a daily basis. If you will purchase or sell the right stocks, you can secure huge revenues every day. Here, you won't have to study corporations deeply. You just have to observe the trends in the stock market, make some predictions, and purchase or sell stocks according to your predictions.
Zachary D. West (Stocks: Investing and Trading Stocks in the Market - A Beginner's Guide to the Basics of Stock Trading and Making Money in the Market)
These five variables will give you loads of information about the stock you're working on. However, you can't predict future price changes just by reading these numbers. You must analyze these variables over a long time period to assess market trends.
Zachary D. West (Stocks: Investing and Trading Stocks in the Market - A Beginner's Guide to the Basics of Stock Trading and Making Money in the Market)
never try to predict or anticipate. I only try to react to what the market is telling me by its behaviour. I believe there are no good stocks or bad stocks; there are only money making stocks. So there is no good direction to trade, short or long; there is only the moneymaking way to trade. Greed, fear, impatience, and hope will all fight for mental dominance over the speculator.” — Jesse Livermore
Ashu Dutt (15 Easy Steps to Mastering Technical Charts)
papers that the market was down to new lows, and the experts were predicting that it was sure to drop another 200 points in the Dow, then the farmer would look through the Standard & Poor’s Stock Guide and select around 30 stocks that had fallen in price substantially.
David Schneider (The 80/20 Investor: How to Simplify Investing with a Powerful Principle to Achieve Superior Returns)
Given the social conditions that prevailed during his lifetime, Adam Smith was prescient in his judgment. Experience tells us that small markets do produce their own constraint and rational order, founded as they are on an interlocking system of self-interested exchange. However, Smith lived before the invention of the megacorporation, before instant communication with a global reach, and before the double cheeseburger and stock options. In America, living with such an abundance of choice, we have discovered some disturbing facts about human behavior—facts that from knowledge of modern neurobiology are predictable and that confirm Smith’s worst fears.
Peter C. Whybrow (American Mania: When More is Not Enough)
The Mysterious Letter You get an anonymous letter on January 2nd informing you that the market will go up during the month. It proves to be true, but you disregard it owing to the well known January effect (stocks have gone up historically during January). Then you receive another one on Feb 1st telling you that the market will go down. Again, it proves to be true. Then you get another letter on March 1st –same story. By July you are intrigued by the prescience of the anonymous person until you are asked to invest in a special offshore fund. You pour all your savings into it. Two months later, your money is gone. You go spill your tears on your neighbor's shoulder and he tells you that he remembers that he received two such mysterious letters. But the mailings stopped at the second letter. He recalls that the first one was correct in its prediction, the other incorrect. What happened? The trick is as follows. The con operator pulls 10,000 names out of a phone book. He mails a bullish letter to one half of the sample, and a bearish one to the other half. The following month he selects the names of the persons to whom he mailed the letter whose prediction turned out to be right, that is, 5000 names. The next month he does the same with the remaining 2500 names, until the list narrows down to 500 people. Of these there will be 200 victims. An investment in a few thousand dollars worth of postage stamps will turn into several million.
Fooled By Randomness Nassim Taleb
Everything we make will have predictive maintenance, improved efficiency, better safety, better usability. And everything will be made to order. We won’t be cranking out millions of identical widgets and stacking them up in pallets in overseas factories in order to be shipped around the world anymore. We’ll be customizing objects much closer to home. As Olivier Scalabre points out, we’ll be replacing the classic “East to West” trade flows with regional trade flows—East for East, West for West. “When you think about it, the old model was pretty much insane,” Scalabre says. “Piling up stock. Making products travel around the world. The new model—producing right next to the consumer market—will be much better for our environment. In mature economies, productivity will be back home, creating more employment, more productivity, and more growth.
Tien Tzuo (Subscribed: Why the Subscription Model Will Be Your Company's Future - and What to Do About It)
Your job is not to be correct. Your job is to make money. This career is called trading, not predicting.
AMS Publishing Group (Intelligent Stock Market Trading and Investment: Quick and Easy Guide to Stock Market Investment for Absolute Beginners)
When playing a bear market, the same rules hold: You want to diversify your risks, especially knowing that collapses move even faster than rallies. You need to decide how much safe cash or near cash you want to hold to sleep at night and to handle financial emergencies, like the loss of your job or your house. Then decide how much to put into longer-term high-quality bonds, like those 30-year Treasuries and AAA corporates, but I think it’s still premature to make this move at the time of this writing, in August 2017. Then decide how much you want to put into a dollar bull fund or the ETF UUP, which tracks the U.S. dollar versus its six major trading partners. If you’re willing to risk part of your wealth, you can also bet on financial assets going down—from stocks to gold. Stocks are the one type of financial asset that goes down in either a deflationary crisis, like the 1930s, or an inflationary one, like the 1970s. So shorting stocks is the best way to prosper in the downturn, either way. But don’t leverage this bet. The markets are simply too volatile. You can short the stock market with no leverage by simply buying an ETF (exchange-traded fund) like the ProShares Short S&P 500 (NYSEArca: SH). It’s an inverse fund on the S&P 500, so if the index goes down 50 percent, you make 50 percent. The ProShares Ultrashort (NYSEArca: QID) is double short the NASDAQ 100, which is likely to get hit the worst. If you make this play, just do a half share, to avoid that two-times leverage (hold the other half in cash or short-term bonds). Direxion Daily Small Cap Bear 3X ETF (NYSEArca: TZA) is triple short the Russell 2000, which is also likely to lead on the way down. So buy only a one-third share of this one, to remain without leverage. (That means the money you allocate here should be one-third in TZA and two-thirds in cash, to offset the leverage.) And unlike the gold bugs, I see gold collapsing. It’s an inflation hedge, not a deflation hedge. If gold rallies back as high as $1,425—on my predicted bear-market rally—then it could easily drop to around $700 within a year. Your last decision is whether to risk some of your funds betting on gold’s downside, for the greatest potential returns. You can buy DB Gold Double Short ETN (NYSEArca: DZZ)—double short gold—at a half share, to offset the leverage, or just simply short GLD, the ETF that follows gold. There you have it. How to handle the coming crash.
Harry S. Dent (Zero Hour: Turn the Greatest Political and Financial Upheaval in Modern History to Your Advantage)
The Bayesian Invisible Hand … free-market capitalism and Bayes’ theorem come out of something of the same intellectual tradition. Adam Smith and Thomas Bayes were contemporaries, and both were educated in Scotland and were heavily influenced by the philosopher David Hume. Smith’s 'Invisible hand' might be thought of as a Bayesian process, in which prices are gradually updated in response to changes in supply and demand, eventually reaching some equilibrium. Or, Bayesian reasoning might be thought of as an 'invisible hand' wherein we gradually update and improve our beliefs as we debate our ideas, sometimes placing bets on them when we can’t agree. Both are consensus-seeking processes that take advantage of the wisdom of crowds. It might follow, then, that markets are an especially good way to make predictions. That’s really what the stock market is: a series of predictions about the future earnings and dividends of a company. My view is that this notion is 'mostly' right 'most' of the time. I advocate the use of betting markets for forecasting economic variables like GDP, for instance. One might expect these markets to improve predictions for the simple reason that they force us to put our money where our mouth is, and create an incentive for our forecasts to be accurate. Another viewpoint, the efficient-market hypothesis, makes this point much more forcefully: it holds that it is 'impossible' under certain conditions to outpredict markets. This view, which was the orthodoxy in economics departments for several decades, has become unpopular given the recent bubbles and busts in the market, some of which seemed predictable after the fact. But, the theory is more robust than you might think. And yet, a central premise of this book is that we must accept the fallibility of our judgment if we want to come to more accurate predictions. To the extent that markets are reflections of our collective judgment, they are fallible too. In fact, a market that makes perfect predictions is a logical impossibility.
Nate Silver (The Signal and the Noise: Why So Many Predictions Fail—But Some Don't)
Yes, but what about tomorrow?” “There’ll be no tomorrow!” “But if there is. Say that there is—just for the sake of argument. That anger might take shape as something serious. After all, you know, the whole financial world’s been in a nose-dive the last few months. The stock market has crashed three separate times, or haven’t you noticed? Sensible investors don’t really believe the world is coming to an end, but they think other investors might start to think so, and so the smart ones sell out before the panic begins—thus touching off the panic themselves. And then they buy back afterward, and sell again as soon as the market rallies, and begin the whole downward cycle all over again. And what do you think has happened to business? Johnny Public doesn’t believe you either, but there’s no sense buying new porch furniture just now, is there? Better to hang on to your money, just in case, or put it into canned goods and ammunition, and let the furniture wait. “You see the point, Dr. Athor. Just as soon as this is all over, the business interests will be after your hide. They’ll say that if crackpots—begging your pardon—crackpots in the guise of serious scientists can upset the world’s entire economy any time they want simply by making some cockeyed prediction, then it’s up to the world to keep such things from happening. The sparks will fly, Doctor.
Isaac Asimov (Nightfall)
Others can be very hard to solve — two notoriously hard examples are predicting extended weather conditions or stock-market performance.
Anasse Bari (Predictive Analytics For Dummies)
I am not in the business of predicting general stock market or business fluctuations. If you think I can do this, or think it is essential to an investment program, you should not be in the partnership.
Jeremy C. Miller (Warren Buffett's Ground Rules: Words of Wisdom from the Partnership Letters of the World's Greatest Investor)
Nokia sat on top of one of the biggest growth markets the world had ever seen, and on top of one of the biggest piles of cash in history. But instead of thinking like an insurgent and investing in the future, it gave out 40 percent dividends and used its cash to buy back large quantities of its own stock. Within just a few years, Apple, Samsung, and soon Google had seized the smartphone market, and Nokia, once a model of innovation and insurgent-style thinking, was in steep decline. A board member, when interviewed about what happened, pointed to internal factors, not competitive moves, and concluded simply, “We were too slow to act.”6
Chris Zook (The Founder's Mentality: How to Overcome the Predictable Crises of Growth)
Not all problems can be solved; just because you’ve assembled examples of inputs X and targets Y doesn’t mean X contains enough information to predict Y. For instance, if you’re trying to predict the movements of a stock on the stock market given its recent price history, you’re unlikely to succeed, because price history doesn’t contain much predictive information.
François Chollet (Deep Learning with Python)
As we shall see, technology’s increasing inability to predict the future – whether that’s the fluctuating markets of digital stock exchanges, the outcomes and applications of scientific research, or the accelerating instability of the global climate – stems directly from these misapprehensions about the neutrality and comprehensibility of computation.
James Bridle (New Dark Age: Technology and the End of the Future)
In an ideal world, the intelligent investor would hold stocks only when they are cheap and sell them when they become overpriced, then duck into the bunker of bonds and cash until stocks again become cheap enough to buy. From 1966 through late 2001, one study claimed, $1 held continuously in stocks would have grown to $11.71. But if you had gotten out of stocks right before the five worst days of each year, your original $1 would have grown to $987.12.1 Like most magical market ideas, this one is based on sleight of hand. How, exactly, would you (or anyone) figure out which days will be the worst days—before they arrive? On January 7, 1973, the New York Times featured an interview with one of the nation’s top financial forecasters, who urged investors to buy stocks without hesitation: “It’s very rare that you can be as unqualifiedly bullish as you can now.” That forecaster was named Alan Greenspan, and it’s very rare that anyone has ever been so unqualifiedly wrong as the future Federal Reserve chairman was that day: 1973 and 1974 turned out to be the worst years for economic growth and the stock market since the Great Depression.2 Can professionals time the market any better than Alan Green-span? “I see no reason not to think the majority of the decline is behind us,” declared Kate Leary Lee, president of the market-timing firm of R. M. Leary & Co., on December 3, 2001. “This is when you want to be in the market,” she added, predicting that stocks “look good” for the first quarter of 2002.3 Over the next three months, stocks earned a measly 0.28% return, underperforming cash by 1.5 percentage points. Leary is not alone. A study by two finance professors at Duke University found that if you had followed the recommendations of the best 10% of all market-timing newsletters, you would have earned a 12.6% annualized return from 1991 through 1995. But if you had ignored them and kept your money in a stock index fund, you would have earned 16.4%.
Benjamin Graham (The Intelligent Investor)
Every person has short-term goals. Some are modest, such as setting aside money for a vacation next month or paying for medical bills. Other short-term goals are more ambitious, such as accruing funds for a down payment to purchase a new home within six months. Whatever the expense or purchase, you need a predictable accumulation of cash soon. If this sounds like your situation, stay away from the stock market!
Paul Mladjenovic (Stock Investing for Dummies)
Over a 10- or 20- or 30- year investment horizon, Mr. Market’s daily dipsy-doodles simply do not matter. In any case, for anyone who will be investing for years to come, falling stock prices are good news, not bad, since they enable you to buy more for less money. The longer and further stocks fall, and the more steadily you keep buying as they drop, the more money you will make in the end—if you remain steadfast until the end. Instead of fearing a bear market, you should embrace it. The intelligent investor should be perfectly comfortable owning a stock or mutual fund even if the stock market stopped supplying daily prices for the next 10 years.11 Paradoxically, “you will be much more in control,” explains neuroscientist Antonio Damasio, “if you realize how much you are not in control.” By acknowledging your biological tendency to buy high and sell low, you can admit the need to dollar-cost average, rebalance, and sign an investment contract. By putting much of your portfolio on permanent autopilot, you can fight the prediction addiction, focus on your long-term financial goals, and tune out Mr. Market’s mood s
Benjamin Graham (The Intelligent Investor)
The primary advantages of option selling are: •  An investor can make money whether the stock market goes up or down; it makes no difference. •  There is low, controllable risk. •  It is easy to predict the outcome of each trade. •  There is high liquidity by selling or buying at any time. •  There are high yields per week or month. •  Sellers of options have time value on their side.
Boyce Duvall (Earn 5 to 10% Monthly Selling Options: Specific Step-By-Step Wealth Building System)
We see the same behavior when athletes wear unwashed lucky socks, when investors buy hot stocks, or when people throw good money after bad, confident that things must take a turn for the better. We yearn to make an uncertain world more certain, to gain control over things that we do not control, to predict the unpredictable. If we did well wearing these socks, then it must be that these socks help us do well. If other people made money buying this stock, then we can make money buying this stock. If we have had bad luck, our luck has to change, right? Order is more comforting than chaos. These cognitive errors make us susceptible to all sorts of statistical deceptions. We are too quick to assume that meaningless patterns are meaningful when they are presented as evidence of the consequences of a government policy, the power of a marketing plan, the success of an investment strategy, or the benefits of a food supplement. Our vulnerability comes from a deep desire to make sense of the world, and it’s notoriously hard to shake off.
Gary Smith (Standard Deviations: Flawed Assumptions, Tortured Data, and Other Ways to Lie with Statistics)
All forms of complex causation, and especially nonlinear transformations, admittedly stack the deck against prediction. Linear describes an outcome produced by one or more variables where the effect is additive. Any other interaction is nonlinear. This would include outcomes that involve step functions or phase transitions. The hard sciences routinely describe nonlinear phenomena. Making predictions about them becomes increasingly problematic when multiple variables are involved that have complex interactions. Some simple nonlinear systems can quickly become unpredictable when small variations in their inputs are introduced.23 As so much of the social world is nonlinear, fifty plus years of behavioral research and theory building have not led to any noticeable improvement in our ability to predict events. This is most evident in the case of transformative events like the social-political revolution of the 1960s, the end of the Cold War, and the rise and growing political influence of fundamentalist religious groups. Radical skepticism about prediction of any but the most short-term outcomes is fully warranted. This does not mean that we can throw our hands up in the face of uncertainty, contingency, and unpredictability. In a complex society, individuals, organizations, and states require a high degree of confidence—even if it is misplaced—in the short-term future and a reasonable degree of confidence about the longer term. In its absence they could not commit themselves to decisions, investments, and policies. Like nudging the frame of a pinball machine to influence the path of the ball, we cope with the dilemma of uncertainty by doing what we can to make our expectations of the future self-fulfilling. We seek to control the social and physical worlds not only to make them more predictable but to reduce the likelihood of disruptive and damaging shocks (e.g., floods, epidemics, stock market crashes, foreign attacks). Our fallback strategy is denial.
Richard Ned Lebow (Forbidden Fruit: Counterfactuals and International Relations)
We all live in a world governed by uncertainty. No one can predict the future with complete accuracy, no matter how well-informed or well-prepared they may be. The stock market fluctuates, relationships evolve, and our health can change overnight. By accepting that uncertainty is a fundamental aspect of life, we free ourselves from the burden of trying to control every detail.
Carson Anekeya
The journalist William Hoffer has remarked, “The great golden spiral seems to be nature’s way of building quantity without sacrificing quality.”2 Some people believe that the Fibonacci numbers can be used to make a wide variety of predictions, especially predictions about the stock market; such predictions work just often enough to keep the enthusiasm going. The Fibonacci sequence is so fascinating that there is even an American Fibonacci Association, located at Santa Clara University in California, which has published thousands of pages of research on the subject since 1962.
Peter L. Bernstein (Against the Gods: The Remarkable Story of Risk)