Washington vs St. Louis — Washington

Kalshi — primary rule

If Washington wins the Washington vs St. Louis professional baseball game originally scheduled for Sep 18, 2026 at 8:15 PM EDT, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming MLB game between the Washington Nationals and St. Louis Cardinals, scheduled for September 18 at 8:15PM ET: This market will resolve to "Washington Nationals" if the Washington Nationals win the game. This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. 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, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.