Week 39 Day 1: Q3 Review: The 13 Cognitive Biases That Steal Your Returns

Over the past 13 weeks, we explored the psychological traps that turn smart people into poor investors. Sunk costs, loss aversion, confirmation bias, herding, overconfidence, and more -- each bias dra...

Over the past 13 weeks, we explored the psychological traps that turn smart people into poor investors. Sunk costs, loss aversion, confirmation bias, herding, overconfidence, and more -- each bias drains returns in predictable, measurable ways. Together, they cost the average investor 3-7% per year.