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Kelly Criterion & EV Optimization Mastery on Kalshi

2026-06-08· 13 min read kalshikellyevsizing

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Kelly in One LineWhy Quarter-KellyEV OptimizerFAQ

Kelly in One Line

Fraction to stake = (edge − (1 − edge)) / odds. Positive edge, positive fraction.

Why Quarter-Kelly

Full Kelly maximizes growth but with brutal drawdowns. Most pros use 25% Kelly to stay solvent through variance.

EV Optimizer

The EV Optimizer ranks every candidate by expected value per dollar risked, so you deploy capital where it compounds fastest — not where the story is loudest.

FAQ

What if my edge estimate is wrong? Underestimate edge; overestimating is how accounts blow up.

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