Live prediction market odds for St. Louis Cardinals vs. Houston Astros (2:10 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-04-19
St. Louis Cardinals vs. Houston Astros (2:10 PM ET) — MLB game scheduled for 2026-04-19. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Houston Astros leads the “St. Louis Cardinals vs. Houston Astros (2:10 PM ET)” event at 59.3% implied probability, followed by St. Louis Cardinals at 38.8%. A 13.5% cross-platform spread signals an active arbitrage window.
St. Louis Cardinals vs. Houston Astros (2:10 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Houston Astros leads at 59% implied probability, making it the market favorite. Other contenders include St. Louis Cardinals at 39%.
Houston Astros currently leads at 59% implied probability. Behind Houston Astros, St. Louis Cardinals at 39% are the next closest contenders. The 13.5% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Houston Astros: 53¢ on Kalshi, 66¢ on Polymarket. St. Louis Cardinals: 44¢ on Kalshi, 34¢ on Polymarket. The 13.5% 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 59¢ means the market estimates a 59% probability that Houston Astros will be the outcome. Buying one share at 59¢ pays out $1.00 if correct — a 69% 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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This market resolves based on official announcements from authoritative sources. Prediction Hunt aggregates odds across platforms but does not determine outcomes. Each platform maintains its own resolution criteria — check each platform's rules before trading.
Houston Astros
59.3% avg
