The Last Twelve Months Are Lying to You: Recognizing and Defeating Recency Bias in Your Portfolio
Recency bias—the brain's tendency to treat the most recent market events as the most predictive ones—is one of the most costly and least discussed forces shaping how individual investors allocate capital. From the pandemic crash of 2020 to the AI-driven surge of 2023 and 2024, the pattern repeats: investors systematically overreact to fresh data and underweight longer historical context. This article delivers a practical diagnostic and a set of concrete tools to help you separate signal from rec