Live prediction market odds for St. Louis Cardinals vs. Pittsburgh Pirates (6:40 PM ET). Compare prices across Kalshi and Polymarket and ProphetX.
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MARKET RESOLVEDKalshi / Polymarket / ProphetX
Resolved 2026-04-27
This market resolved on 2026-04-27. St. Louis Cardinals was the officially declared outcome. Prior to resolution, the market peaked at 98%.
St. Louis Cardinals vs. Pittsburgh Pirates (6:40 PM ET) — MLB game held on 2026-04-27. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
| Candidate |  |  |  |
|---|---|---|---|
St. Louis CardinalsWINNER | 99% | 18% | 98% |
Pittsburgh Pirates | 1% | 82% | 6% |
St. Louis Cardinals vs. Pittsburgh Pirates (6:40 PM ET) was a prediction market event tracked across 3 platforms (Kalshi, Polymarket, ProphetX). St. Louis Cardinals led the market at 72% implied probability before resolution. Other contenders include Pittsburgh Pirates at 30%.
St. Louis Cardinals held the lead at 72% implied probability heading into resolution. Behind St. Louis Cardinals, Pittsburgh Pirates at 30% were the next closest contenders. The 81.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here were the closing odds across Kalshi, Polymarket, ProphetX: St. Louis Cardinals: 99¢ on Kalshi, 18¢ on Polymarket, 98¢ on ProphetX. Pittsburgh Pirates: 1¢ on Kalshi, 82¢ on Polymarket, 6¢ on ProphetX. The 81.0% spread across platforms highlights where markets disagreed — a gap traders can exploit by buying low on one platform and selling high on another.
A price of 72¢ meant the market estimated a 72% chance that St. Louis Cardinals would be the outcome. Traders who bought at 72¢ and held through resolution received $1.00 per share — a 39% return on their position. Those on the wrong side received $0.
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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and ProphetX.
KalshiIf St. Louis wins the St. Louis vs Pittsburgh professional baseball game originally scheduled for Apr 27, 2026 at 6:40 PM EDT, then the market resolves to Yes.
The following market refers to the St. Louis vs Pittsburgh professional baseball game originally scheduled for Apr 27, 2026 at 6:40 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 St. Louis Cardinals and Pittsburgh Pirates, scheduled for April 27 at 6:40PM ET: This market will resolve to "St. Louis Cardinals" if the St. Louis Cardinals win the game. This market will resolve to "Pittsburgh Pirates" if the Pittsburgh Pirates 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.
ProphetXSports moneyline - resolves based on official game outcome per ProphetX Prediction Rules
St. Louis Cardinals
71.7% avg
