Execution Blueprint

Position sizing, platform comparison, impact simulation
Sizing Method▦
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Set by Calculator Preferences
Platforms▦
2
Polymarket + Kalshi
Fee Models▦
Per-venue
Maker / taker schedules
Slippage▦
Modeled
Book-impact estimate, where a book exists
Position Calculator
Your bankroll + your estimate → a fractional-Kelly position size
Search by name, or paste a full market ID
Capital at risk — the calculator sizes the position from it
Your probability of YES — drives the edge vs market
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MARKET
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DIRECTION
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CURRENT PRICE (YES)
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YOUR ESTIMATE (YES)
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EDGE (YES)
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POSITION SIZE
Calculator output only. Not personalized advice. You supply the probability estimate.
Platform Comparison
MetricPolymarketKalshi
Fee ModelTaker/MakerFixed per contract
SettlementUSDC on-chainUSD custodial
DepthVaries by marketVaries by market
RegulationOffshoreCFTC DCM
Slippage Curve (Market Impact)
Enter a market ID above to load the depth-walked impact curve.