Live prediction market odds for New York Mets vs. St. Louis Cardinals. Compare prices across Kalshi and Polymarket.
Kalshi / Polymarket
2026-03-31
New York Mets vs. St. Louis Cardinals — MLB game scheduled for 2026-03-31. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
New York M leads the “New York Mets vs. St. Louis Cardinals” event at 61.3% implied probability, followed by St. Louis at 37.0%. A 4.0% cross-platform spread signals an active arbitrage window.
New York Mets vs. St. Louis Cardinals is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). New York M leads at 61% implied probability, making it the market favorite. Other contenders include St. Louis at 37%.
New York M currently leads at 61% implied probability. Behind New York M, St. Louis at 37% are the next closest contenders. The 4.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: New York M: 62¢ on Kalshi, 61¢ on Polymarket. St. Louis: 35¢ on Kalshi, 39¢ on Polymarket. The 4.0% spread across platforms highlights where markets disagree — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 61¢ means the market estimates a 61% probability that New York M will be the outcome. Buying one share at 61¢ pays out $1.00 if correct — a 64% return — or $0 if wrong. This is the core mechanic of prediction markets: the price directly reflects the crowd's probability estimate.
New York M
61.3% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf St. Louis wins the New York M vs St. Louis professional baseball game originally scheduled for Mar 31, 2026 at 7:45 PM EDT, then the market resolves to Yes.
The following market refers to the New York M vs St. Louis professional baseball game originally scheduled for Mar 31, 2026 at 7:45 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 New York Mets and St. Louis Cardinals, scheduled for March 31 at 7:45PM ET: This market will resolve to "New York Mets" if the New York Mets 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.
