Polymarket and Kalshi use different market structures to cover spread outcomes. Polymarket offers explicit spread markets (-2.5, -1.5 for each team), while Kalshi uses binary Yes/No markets tied to specific goal-margin thresholds. Both resolve on the same underlying event (La Liga match, April 6, 90 minutes plus stoppage time, official laliga.com source), but the market design and outcome mapping differ.
Hero Tip:
If you trade spreads on Polymarket, your outcome is determined by explicit threshold markets (e.g., Girona -2.5 resolves YES only if Girona wins by 3+). On Kalshi, the same outcome is split across four separate binary markets (Girona +1.5, Villarreal +2.5, etc.). Ensure you understand which Kalshi market(s) correspond to your Polymarket spread bet, as the payout structure and odds may differ even though the underlying event is identical.
Critical Divergence Points:
Polymarket: Aligned with Kalshi on event scope and source: resolves on official La Liga final score within 90 minutes plus stoppage time per laliga.com. Polymarket uses explicit spread markets (Girona -2.5, Girona -1.5, Villarreal -1.5, Villarreal -2.5) where YES resolves if the named team wins by the stated margin or more; also offers Over/Under total goals markets (1.5, 2.5, 3.5, 4.5) and Both Teams to Score. All markets resolve 50-50 if the game is canceled with no make-up.
Kalshi: Aligned with Polymarket on event scope and source: resolves on official La Liga final score within 90 minutes plus stoppage time. Kalshi uses four binary Yes/No markets instead of explicit spreads: 'Girona wins by more than 1.5 goals', 'Villarreal wins by more than 2.5 goals', 'Girona wins by more than 2.5 goals', and 'Villarreal wins by more than 1.5 goals'. Each market resolves YES if the condition is met, NO otherwise. No Over/Under or Both Teams to Score markets are listed for Kalshi.
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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