HINDSIGHT

Size the Bet

Every trade wins 60% of the time, and you have 100 of them. Bet too little and you crawl; bet too much and one bad streak ends the game. Find the size that grows.

One hundred simulated trades, each winning 60% of the time and paying what you stake. Choose how much of your bankroll to risk on each, then compare your run with bettors who staked a fixed 10%, 20% (the Kelly fraction) and 40% on the same trades, and with your own stakes replayed on 10,000 fresh sequences.

About 3 minutes. A new puzzle every day, the same for everyone.

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