This event group covers a K League 1 professional soccer match between Jeju SK FC and Ulsan HD FC scheduled for March 18, 2026. Three markets across Polymarket and Kalshi assess the outcome: whether Jeju SK wins, whether Ulsan HD wins, and whether the match ends in a draw, all evaluated within 90 minutes plus stoppage time.
Kalshi market has a fundamental logical contradiction: it presents three mutually exclusive outcomes (Jeju win, Ulsan win, Tie) as separate Yes/No branches within a single market, making simultaneous resolution impossible. Polymarket uses three independent binary markets with coherent logic.
Hero Tip:
Do not settle against Kalshi market structure. The Polymarket framework (three separate binary markets) is logically sound and should be the settlement standard. Escalate Kalshi market to platform support as a potential configuration error before any settlement occurs.
Critical Divergence Points:
Polymarket: Three independent binary markets: (1) Draw Yes/No with cancellation resolving to Yes if game canceled with no makeup; (2) Ulsan win Yes/No with cancellation resolving to No; (3) Jeju win Yes/No with cancellation resolving to No. Primary source is official K League statistics within 2 hours, fallback to credible reporting consensus. Scope: 90 minutes plus stoppage time only.
Kalshi: Single market with three outcome branches: 'If Jeju SK wins...resolve Yes', 'If Tie wins...resolve Yes', 'If Ulsan HD wins...resolve Yes'. This creates logical impossibility—exactly one outcome will occur, but market structure implies all three can resolve Yes simultaneously. Scope: 90 minutes plus stoppage time only.
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