Live prediction market odds for Seattle Mariners vs. St. Louis Cardinals (8:15 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-04-24
Seattle Mariners vs. St. Louis Cardinals (8:15 PM ET) — MLB game scheduled for 2026-04-24. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Seattle Mariners leads the “Seattle Mariners vs. St. Louis Cardinals (8:15 PM ET)” event at 53.8% implied probability, followed by St. Louis Cardinals at 46.3%. A 1.5% cross-platform spread signals an active arbitrage window.
Seattle Mariners vs. St. Louis Cardinals (8:15 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Seattle Mariners leads at 54% implied probability, making it the market favorite. Other contenders include St. Louis Cardinals at 46%.
Seattle Mariners currently leads at 54% implied probability. Behind Seattle Mariners, St. Louis Cardinals at 46% are the next closest contenders. A 1.5% spread across platforms indicated moderate disagreement on the latest developments.
Here are the latest odds across Kalshi, Polymarket: Seattle Mariners: 53¢ on Kalshi, 55¢ on Polymarket. St. Louis Cardinals: 47¢ on Kalshi, 46¢ on Polymarket. The 1.5% spread shows moderate platform divergence worth monitoring for potential opportunities.
A price of 54¢ means the market estimates a 54% probability that Seattle Mariners will be the outcome. Buying one share at 54¢ pays out $1.00 if correct — a 85% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Seattle wins the Seattle vs St. Louis professional baseball game originally scheduled for Apr 24, 2026 at 8:15 PM EDT, then the market resolves to Yes.
The following market refers to the Seattle vs St. Louis professional baseball game originally scheduled for Apr 24, 2026 at 8:15 PM EDT. If this game is postponed or delayed, the market will remain open and close after the rescheduled game has finished (within two days). If the game is cancelled or rescheduled to over two days away, the market will resolve to a fair price in accordance with the rules.
PolymarketIn the upcoming MLB game between the Seattle Mariners and St. Louis Cardinals, scheduled for April 24 at 8:15PM ET: This market will resolve to "Seattle Mariners" if the Seattle Mariners 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.
Seattle Mariners
53.8% avg
