FOMO: How the Fear of Missing Out Destroys Investors?

Author: Yanis, capital manager at Axone Capital

2026-07-23 · 7 min read

Buying Bitcoin at the top, rushing into GameStop out of fear of missing the train… FOMO is the cognitive bias that costs beginner investors the most. Here's why it traps us, and how to defend against it.

The Analysis: A Bias Hard-Wired Into Our Brains

FOMO. *Fear Of Missing Out*. The fear of missing out. This word, coined by psychologist Dan Herman in 1996 and popularized by social media, describes something universal: the anxiety of seeing others benefit from an opportunity without you.

In investing, FOMO takes a very specific form. It's the moment you watch Bitcoin climb +30% in two weeks and something inside you says: *"If I don't buy now, I'm going to miss the boat."* It's the emotion that pushes you to buy at the top — precisely when everyone is talking about it, when media is euphoric, when taxi drivers are giving stock tips.

The problem? Behavioral psychology has proven since the 1970s: FOMO is a cognitive bias with remarkable precision for making you take exactly the wrong decisions at the worst moment.

FOMO by the Numbers

  • 2021: retail investors bought $900 billion in stocks in one year — 3× more than 2020 — driven by post-COVID FOMO
  • A Dalbar study (2023) shows the average US retail investor's return over 30 years is 3.9%/year vs 10.7%/year for the S&P 500 — FOMO is one of the main causes of this gap
  • 70% of retail investor losses on markets occur within 6 months following a period of media euphoria
  • In January 2021, 6 million new brokerage accounts were opened in the US in one single week

What makes FOMO particularly treacherous is that it disguises itself as rational reasoning. You don't tell yourself "I'm giving in to fear." You say: "the fundamentals are improving," "this time it's different," "everyone can't be wrong." But the real driver is emotion — the fear of being excluded from the profit.


The Anecdote: GameStop, January 2021

On January 22, 2021, a Reddit forum called *WallStreetBets* orchestrated something unprecedented: an army of small investors, coordinated online, drove GameStop's stock from $20 to $483 in a few days. Large short-selling funds lost billions. It was a popular revolution against Wall Street.

And millions of retail investors bought in. Not because they believed in GameStop's fundamental value — a structurally declining video game store chain. But because they were watching their Twitter feed, seeing screenshots of +500% gains, and couldn't bear the idea of not being on the train.

The result? Those who bought after January 27 — the peak — saw the stock return to $50 in three weeks, then to $10 a few months later. FOMO had brought them exactly to the top.

What is fascinating — and cruel — about this story is that many knew it was risky. Many had read it was a bubble. But emotion overrode reason. As it almost always does when everyone around you seems to be getting rich.


The Historical Fact: Kahneman and the Economics of Regret

In 2002, Daniel Kahneman received the Nobel Prize in Economics. Not for inventing a financial model, but for proving that human beings are not rational.

His great discovery, with Amos Tversky: the pain of losing is about twice as intense as the pleasure of gaining. If you lose €100, the suffering felt is equivalent to the joy of gaining €200.

But Kahneman also studied anticipated regret — the pain you feel *at the idea* of not having acted. And this anticipated regret is often more powerful than the real regret of having acted badly. In other words: not having bought Bitcoin when you could have hurts *more* than having bought and lost money.

This is exactly the FOMO mechanism. It's not a character weakness. It's the structure of our brain, optimized by millions of years of evolution to make us act in the face of a perceived rare opportunity.

The financial market exploits this mechanism perfectly. Every strong rise generates intense media coverage, viral posts, winner testimonials. The sense of temporal scarcity ("now or never") and social proof ("everyone is doing it") activate simultaneously.


The Concept: "Time in Market" vs "Timing the Market"

There is a phrase in finance that responds to FOMO better than any psychological argument: "Time in the market beats timing the market."

Being invested for a long time always beats trying to choose the right moment to enter. The data is uncompromising. A JPMorgan Asset Management study shows that if you had missed the 10 best trading days over 20 years (10 days out of 5,200 sessions), your final return was cut in half.

The paradox of FOMO is that it pushes you to enter precisely when risk is highest (at the top of euphoria), and often keeps you out of the market when real opportunities arise (after a correction). You want to capture the gains without enduring the drops. It's human — and it explains the 6-to-7-point return gap between the retail investor and the market.

The solution is not to suppress emotions — it's to build a system that bypasses them. An automatic investment plan (monthly DCA), a pre-defined allocation, written and non-emotional purchase criteria. When the decision is made with a cool head, FOMO has no space to express itself.


The Axone Lesson

At Axone Capital, we often repeat this uncomfortable truth: the best investment opportunities rarely look like opportunities when they present themselves. They look like risks. Like fear. Like uncertainty.

FOMO, on the other hand, always arrives after the rise — when the opportunity has already been largely exploited by those who were positioned before. It's the bubble's recruitment tool: it brings in the last buyers exactly when the first sellers are exiting.

"Be fearful when others are greedy, and greedy when others are fearful." — Warren Buffett

This is not a decorative quote. It's an antidote to FOMO. When you feel the urgent desire to buy because everyone is talking about it, turn around and ask yourself: *"What is the probability that I'm the first to have the idea?"*

The honest answer will protect you better than any technical analysis.

Published on Axone Capital — capital management, macro analysis and trading by Yanis.