SPY, five years of daily prices. Entries close 2026-12-04 23:59; the hidden period is 2026-12-07 to 2027-01-01, ranked by return after 0.1% costs. Buy-and-hold is an entrant.
Optional side quest, open after Lab 3. Player's guide (PDF) ยท Open the League notebook in Colab
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| # | Name | Five-year Sharpe | Total | Trades | Rehearsal | Submitted |
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Enter this lab's question: write predict(history), test it, submit
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