Definition
Hot Hand Fallacy
The hot hand fallacy is the mistaken belief that a recent run of success will continue — for instance, that a fund or trader on a winning streak is bound to keep winning.
It is the optimistic mirror of the gambler's fallacy. In investing it leads people to chase recently top-performing funds, managers or stocks, assuming the streak reflects durable skill rather than luck or a favourable phase — only to see performance mean-revert. Past winners frequently lag in subsequent periods.
The defence is to recognise that short-term outperformance is often noise, to judge investments on process and long-term, full-cycle evidence, and to resist extrapolating a hot streak. Diversification and a rules-based approach guard against betting heavily on a run that may simply end.
Related terms
- Recency BiasRecency bias is the tendency to give too much weight to recent events and to assume the latest trend will continue, while ignoring longer history.
- Overconfidence BiasOverconfidence bias is the tendency to overestimate your own knowledge, skill or accuracy, leading to excessive trading and concentrated bets.
- Gambler's FallacyThe gambler's fallacy is the mistaken belief that past random outcomes change the odds of future ones — for example, that a stock 'must' rise because it has fallen several days in a row.
Plain-English explainer from The Dispatch Investors Encyclopedia. General information, not financial advice.