If anomalies can be exploited, why do most active mutual funds still trail a simple index fund?
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Fund excess returns below zero, 1972–1991
Describe the histogram of risk-adjusted fund excess returns net of fees and its below-zero average, and add that about 92% of active US equity funds trailed benchmarks over twenty years to December 2025.
Index funds versus picking the next Peter Lynch
Record the Wells Fargo and Vanguard 500 index funds, state the dart-at-the-histogram argument for passive investing, and note that funds outnumber stocks, with the Baskin-Robbins justification.
Summary numbers for US stocks
Record the 11.2% average return and 7.8% premium for 1926–2004, the roughly 16% annual standard deviation, the VIX near 80, 48 and 81 in late 2008, and individual stocks being riskier than portfolios.