🧘Investor psychology
Behavioral biases, panic, FOMO and anchoring — discipline beats IQ. How to master your head, not just the market.
Investor psychology — overview
The most common cause of poor investing outcomes is not bad stocks but bad decisions made under emotional pressure. Investor psychology studies how fear, greed and cognitive biases systematically sabotage otherwise sensible investors. Discipline beats IQ: someone with an average strategy who follows it usually does better than a clever person who sells at every panic and buys at every euphoria. Among the trickiest biases are loss aversion (a loss hurts more than an equal gain pleases), confirmation bias (we seek only information that confirms our view), anchoring (fixating on irrelevant numbers such as purchase price) and herd behavior (FOMO — fear of missing out). Panic-selling at the bottom and euphoric buying at the top are exactly the opposite of what works long-term — yet they are emotionally the strongest. The defense is a plan set in advance: entry and exit rules, position size and a trade journal that forces you to reflect on decisions. This is exactly why QMA offers a trade journal and analytical tools — not to decide for you, but to shrink the room for impulsive, emotion-driven mistakes. This section describes individual biases and practical ways to counter them.
Investor psychology articles
体育赛事竞猜与股票投资，哪个更赚钱？
每位投注者都熟悉那种等待补时阶段最后一球的感觉。但如果我们将同样的情绪和资金投入一场数学胜算不那么悬殊的游戏，结果会如何？
Casino vs. Stock Market: Why One Bet Has a Negative Expected Value and the Other Does Not
Lotteries and stocks may seem like a gamble on chance. However, the difference isn't in luck—it's in the mathematics of expected value. Let's break it down with specific numbers.
The Betting Myth That Destroys Budgets: Why Luck Doesn't Decide
Most bettors believe they just need a bit of luck. However, data tells a different story — it's the expected value that matters, not luck. Let's take a look at a fair comparison of the numbers.
Why You Need a Written Trading Plan Before You Buy Anything
A written trading plan is your most important tool – it protects you from emotional decisions and helps you learn from every trade. Find out what a plan must contain, and use the sample template inside.
FOMO in Numbers: How to Tame the Fear of Missing Out with Cold Math
You see a chart climbing by tens of percent, and you get an uneasy feeling in your stomach that everyone around is getting rich while you're missing the train? Before you succumb to panic, let's explore how to tame emotions using exact numbers and evolutionary psychology.
Eurojackpot or Stocks? The Math of Quick Wealth vs. the Quiet Power of Compound Interest
You're standing at the checkout in a newsstand, holding a filled-out Eurojackpot ticket, already picturing which seaside villa you'll buy. But what if you sent the same hundred crowns to the stock market instead?
股市下跌时该怎么做：在低迷中保持冷静（以及不该做什么）
市场下跌，你感到焦虑？第一条原则：不要因恐惧而抛售。了解不该做什么、应该做什么，以及如何基于数据而非恐慌做出决策。
Why the Brain Forces Investors to Sell Before a Stock Can Profit
You sell for a profit, feel like a genius — and then the stock continues to soar without you. Why does our brain compel us to take profits too early and how to kick ourselves for it.
Why Lotteries Return Only Half of Your Bet and the Stock Market Works Differently
Lotteries typically return about half of what you bet, with the betting company taking a margin from each ticket. The stock market plays a different game. We'll demonstrate this with numbers — and without promises of getting rich quick.
如何克服买入第一只股票的恐惧
在买入第一只股票之前感到恐惧是完全正常的——害怕亏钱、害怕时机不对、害怕自己了解不够、害怕显得愚蠢。这篇文章是一份平静而实用的指南，帮助你重新看待这些恐惧。解药不是勇气，而是小步前行和简单的流程。
如何在熊市中避免恐慌性抛售：投资者行为与成功法则
在熊市环境下，恐慌性抛售是投资者最常犯的错误之一。本文聚焦于损失厌恶、羊群行为等行为偏差，以及如何应对这些问题。
When Doing Nothing is the Best Action: The Psychology of Investment Inaction
Why is it harder for the human brain to sit on its hands than to constantly click the 'Buy' or 'Sell' button? Discover how to resist the urge to act at the wrong moment and why inaction is often the most profitable strategy.
Discipline Over Emotions: How to Set Investment Rules Your Mind Won't Cheat
Why do we all plan to buy during a dip on paper, but when markets actually turn red, we find ourselves staring at our phones, paralyzed? Learn how to tame your inner monkey with bulletproof rules and systems.
FOMO（错失恐惧症）与投资：如何避免错误并识别真正的机会
FOMO 是投资中一个危险的"同行者"，可能导致非理性决策。本文将探讨为何追高永远行不通，以及如何将真正的投资机会与单纯的炒作区分开来。
新手交易者常犯的7个错误（以及如何逐一避免）
大多数新手亏损，并非因为选错了股票，而是因为反复陷入七种行为模式。这篇零术语指南逐一拆解每个问题——从没有风险管理、FOMO，到报复性交易——并为每个错误提供简单的解决方法。
10 Common Beginner Mistakes: How to Spot Them Before They Hurt
Beginners often lose money not because they cannot read charts, but because they break their own rules under pressure. This lesson explains 10 typical psychological mistakes and practical counter-strategies, including the role of the QMA investment journal.
靠炒股为生可行吗？一个诚实的答案
偶尔可行，但大多数情况下不行——70–90% 的主动交易者亏损。你真正需要的（资金、优势、纪律、心理素质），大多数人失败的原因，以及现实可行的路径。
How to Be Profitable Long Term: Process, Discipline, and Small Edges
Long-term profitability does not come from one brilliant call, but from small edges repeated with discipline. This article shows a realistic investor process: risk management, low costs, time in the market, and learning from a journal.
Kotva a potvrzovací zkreslení: dvě pasti, do kterých padáme
Vaše hlava si zapamatuje první číslo, které uvidí — a pak celý svět vykládá tak, aby jí dalo za pravdu. Dvě tiché pasti, které vám berou peníze víc než jakýkoli krach.
Loss Hurts Twice as Much as Gain Pleases: What It Means for Your Investing
You buy when there's euphoria, and sell when there's blood in the streets. Get to know both of your inner voices before they run away with your decision again.
Frequently asked questions
What is loss aversion?
Loss aversion is a psychological phenomenon where a loss hurts roughly twice as much as an equal gain pleases. It leads investors to hold losing positions too long and sell winners too early.
What is FOMO and how do I counter it?
FOMO (fear of missing out) is the fear of missing an opportunity that drives buying at the peak of euphoria. The defense is a predefined plan and rules that prevent an impulsive buy just because "the price is flying up".
QMA provides analytical and educational tools, not investment advice. Past performance does not guarantee future results.