Live prediction market odds for Houston Astros vs. Seattle Mariners (4:10 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-04-12
Houston Astros vs. Seattle Mariners (4:10 PM ET) — MLB game scheduled for 2026-04-12. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Seattle Mariners leads the “Houston Astros vs. Seattle Mariners (4:10 PM ET)” event at 60.5% implied probability, followed by Houston Astros at 39.5%. A 7.0% cross-platform spread signals an active arbitrage window.
Houston Astros vs. Seattle Mariners (4:10 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Seattle Mariners leads at 61% implied probability, making it the market favorite. Other contenders include Houston Astros at 40%.
Seattle Mariners currently leads at 61% implied probability. Behind Seattle Mariners, Houston Astros at 40% are the next closest contenders. The 7.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Seattle Mariners: 57¢ on Kalshi, 64¢ on Polymarket. Houston Astros: 43¢ on Kalshi, 36¢ on Polymarket. The 7.0% 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 Seattle Mariners 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.
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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.
Seattle Mariners
60.5% avg
