FOMO (Fear of Missing Out)
FOMO, or fear of missing out, describes the anxiety-driven impulse that pushes investors to chase rapidly rising assets — stocks, sectors, or markets — out of concern that they will be left behind while others profit, often leading to poor entry timing and elevated risk-taking.
FOMO is a behavioral finance concept that describes a fundamental human psychological bias — the asymmetric pain of watching others profit while sitting on the sidelines is often felt more acutely than the equivalent financial gain would feel positive. In equity markets, this manifests as a tendency to buy after prices have already risen substantially, driven by the emotional discomfort of seeing media coverage, social media posts, and brokerage account comparisons highlight gains being made in assets one does not own.
The technology stock boom of 1999-2000 is an early example of FOMO-driven behavior at scale, though the term itself came into popular usage much later. As internet stocks doubled, tripled, and quadrupled in value, retail investors who had initially been cautious were drawn in by the pervasive narrative that the internet was transforming all commerce. By early 2000 — just before the NASDAQ Composite peaked at 5,048 — retail participation was at record levels. Many of these late entrants suffered devastating losses as the bubble deflated.
The 2020-2021 era produced perhaps the most widely discussed FOMO dynamic in modern markets. During the COVID-19 lockdowns, millions of first-time investors opened brokerage accounts — Robinhood alone reported adding over 3 million new accounts in the first quarter of 2020. As stimulus checks were deposited and gambling venues closed, speculative retail trading surged. Stories of dramatic gains in Tesla, meme stocks, SPACs, and cryptocurrencies spread through social media platforms and stimulated further FOMO-driven buying by people who felt they were missing out on easy wealth.
FOMO is particularly acute during parabolic price moves — when a stock or asset class rises 50, 100, or 200 percent in a short period. The speed of the move amplifies the psychological pressure because every day of delay means additional perceived cost. This urgency leads buyers to abandon normal due diligence processes, skip valuation analysis, and accept entry prices that would never survive sober fundamental scrutiny. Tesla's run from approximately $80 per share in early 2020 to nearly $900 at its 2021 peak attracted a succession of FOMO buyers at progressively higher prices, many of whom experienced significant drawdowns as the stock subsequently fell more than 70 percent from its peak.
Recognizing FOMO as a specific psychological force — distinct from a genuine assessment of value — is an important step in developing analytical discipline. Market historians have documented that the most severe investor losses tend to cluster around periods of peak excitement and maximum FOMO, when asset prices have already incorporated optimistic expectations and the marginal buyer is motivated by emotion rather than fundamental analysis.