Arbitrage Breakeven & Quadratic Fee Solver

Model Kalshi's exact variance-based taker fee curve: 0.07 × C × P × (1 - P). Solve for the exact maximum counterpart price required to achieve 0% breakeven, +1.5%, or +3.0% net ROI when holding a primary Polymarket YES leg.

1. Resolution & Settlement Oracle Comparator

2. Arbitrage Breakeven & Quadratic Fee Solver

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Audit Settlement Fungibility

Compare Settlement Oracles & Cutoff Mismatches

Audit UMA vs CFTC/BLS oracles, UTC vs EST cutoffs, and shutdown clauses to prevent dual-leg double-loss traps.

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