Live prediction market odds for Seattle Mariners vs. Houston Astros (8:10 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-05-11
Seattle Mariners vs. Houston Astros (8:10 PM ET) — MLB game scheduled for 2026-05-11. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Seattle Mariners leads the “Seattle Mariners vs. Houston Astros (8:10 PM ET)” event at 53.8% implied probability, followed by Houston Astros at 45.8%. A 2.5% cross-platform spread signals an active arbitrage window.
Seattle Mariners vs. Houston Astros (8:10 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 Houston Astros at 46%.
Seattle Mariners currently leads at 54% implied probability. Behind Seattle Mariners, Houston Astros at 46% are the next closest contenders. A 2.5% spread across platforms indicated moderate disagreement on the latest developments.
Here are the latest odds across Kalshi, Polymarket: Seattle Mariners: 55¢ on Kalshi, 53¢ on Polymarket. Houston Astros: 45¢ on Kalshi, 47¢ on Polymarket. The 2.5% 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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Seattle Mariners
53.8% avg
