Recency Bias Among Investors

🧭 Background & Context Recency bias describes the cognitive bias in which investors give recent information and events excessive weight while neglecting long-term averages or fundamental data. Economically, this effect arises because humans are evolutionarily predisposed to recognize quick patterns in immediately available stimuli, which in financial markets leads to systematic mispricings. For private investors, this concretely means that after a phase of strong price gains they overestimate future returns, and after loss streaks they underestimate recovery chances. The result is typical behavioral errors such as performance chasing—buying funds or stocks that have just performed particularly well—as well as panic selling during downturns. This leads to worse timing decisions, higher transaction costs, and lower long-term returns than with a disciplined, rule-based approach. The significance for private investors therefore lies primarily in neutralizing recency bias through fixed investment strategies, regular rebalancing, and a deliberate look at long time series. 🔍 How It Works in Detail Recency bias describes the human tendency to give recent events more weight than earlier ones. Among investors, this often shows up in remaining optimistic after a strong rally and becoming overly …