A college basketball game between Purdue Boilermakers and Northwestern Wildcats scheduled for March 4, 2026 at 8:30 PM ET. Markets cover moneyline (winner), point spread (-11.5 and -12.5), and over/under totals (145.5 and 146.5 points).
Kalshi moneyline market contains a logical contradiction where both Northwestern win and Purdue win resolve to Yes, making the market fundamentally unresolvable. Polymarket moneyline is logically sound with mutually exclusive outcomes.
Hero Tip:
Do not trade the Kalshi moneyline market. Use Polymarket moneyline for winner determination. Spread and total markets are usable but represent different SKUs (varying thresholds), not true divergences. All platforms agree on postponement (market stays open) and cancellation (50-50 split) handling.
Critical Divergence Points:
Kalshi: Moneyline market contains logical error: 'If Northwestern wins...resolves to Yes' AND 'If Purdue wins...resolves to Yes' - both outcomes cannot resolve to the same value in a binary market.
Polymarket: Moneyline market is logically sound: resolves to 'Purdue Boilermakers' if Purdue wins, or 'Northwestern Wildcats' if Northwestern wins - mutually exclusive and exhaustive outcomes.
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