Polymarket and Kalshi use different market structures and thresholds for the same underlying match. Polymarket offers both-teams-to-score and multiple over/under totals, while Kalshi focuses exclusively on spread outcomes (win margins). Additionally, Kalshi's market descriptions lack explicit handling of postponement and cancellation scenarios that Polymarket clearly specifies.
Hero Tip:
If you trade on Polymarket's 'Both Teams to Score' or total goals markets, those outcomes have no direct equivalent on Kalshi. Conversely, Kalshi's spread markets (-1.5, -2.5) on Polymarket are structured differently: Polymarket resolves spreads as binary (Athletic Club wins by 2+ or not), while Kalshi's spread markets explicitly resolve YES only if the margin threshold is met. Verify your position type before settlement.
Critical Divergence Points:
Polymarket: Distinct stance: Polymarket offers a comprehensive market suite including both-teams-to-score (BTTS), multiple over/under totals (1.5, 2.5, 3.5, 4.5), and spread markets. All markets explicitly state postponement rules (remain open until completion), cancellation rules (resolve 50-50), and incomplete-game rules (resolve by official laliga.com score). Primary resolution source is official LaLiga statistics with 2-hour fallback to credible reporting. Quote: 'If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50–50.'
Kalshi: Distinct stance: Kalshi offers only spread-based markets (win by >1.5 goals or >2.5 goals for either team), structured as four separate YES/NO outcomes. Kalshi's market descriptions do not explicitly address postponement, cancellation, or incomplete-game scenarios. The markets reference 'originally scheduled for Mar 22, 2026' and resolve based on 90 minutes plus stoppage time, but lack the detailed contingency rules present in Polymarket. Quote: 'If Real Betis wins by more than 1.5 goals in the Real Betis at Bilbao professional La Liga soccer game originally scheduled for Mar 22, 2026 after 90 minutes plus stoppage time (does not include extra time or penalties), then the market resolves to Yes.'
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.
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