Research & Insights

Investor Psychology

Research-backed writing on the mental patterns, cognitive biases, and personality traits that determine long-term investment performance. Based on data from 22,000+ test-takers.

Personality

The 8 Investor Personality Types — And What Each Gets Wrong

Decades of financial psychology research have identified eight distinct investor archetypes. Each has a characteristic edge — and a characteristic blind spot that costs them money at the worst possible moment.

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Cognitive Biases

11 Cognitive Biases That Are Costing You Money in the Markets

Most investment mistakes aren't caused by bad information. They're caused by predictable, measurable psychological errors — the same ones appearing in our data across 22,000 investors, traders, and businesspeople.

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Risk Tolerance

Why Most Investors Are Wrong About Their Own Risk Tolerance

There are two kinds of risk tolerance: what you think you can handle, and what you actually feel when markets move against you. The gap between them is one of the most reliable predictors of investment underperformance ever measured.

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