Every card is a famous internet strategy, rebuilt exactly as taught, and killed by honest testing. Amounts are cumulative out-of-sample simulation results on a one-lot index book (2023 → Apr 2026), costs included. The few strategies that survived stay private — this wall is the free education.
Why show only failures? Honesty: negative results are the most reliable findings in trading research. And prudence: the handful of validated strategies remain private — publishing an edge is the fastest way to kill it.
Historical simulation · costs included · shown with a ≥3-month lag — education, not advice · simulations / paper