Live prediction market odds for Houston Astros vs. Cleveland Guardians (6:10 PM ET). Compare prices across Kalshi and Polymarket.
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Kalshi / Polymarket
2026-04-21
Houston Astros vs. Cleveland Guardians (6:10 PM ET) — MLB game scheduled for 2026-04-21. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
Cleveland Guardians leads the “Houston Astros vs. Cleveland Guardians (6:10 PM ET)” event at 51.5% implied probability, followed by Houston Astros at 49.5%. A 5.0% cross-platform spread signals an active arbitrage window.
Houston Astros vs. Cleveland Guardians (6:10 PM ET) is a prediction market event currently tracked across 2 platforms (Kalshi, Polymarket). Cleveland Guardians leads at 52% implied probability, making it the market favorite. Other contenders include Houston Astros at 50%.
Cleveland Guardians currently leads at 52% implied probability. Behind Cleveland Guardians, Houston Astros at 50% are the next closest contenders. The 5.0% cross-platform spread suggested platforms were pricing new information differently, creating potential trading opportunities.
Here are the latest odds across Kalshi, Polymarket: Cleveland Guardians: 50¢ on Kalshi, 53¢ on Polymarket. Houston Astros: 52¢ on Kalshi, 47¢ on Polymarket. The 5.0% 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 52¢ means the market estimates a 52% probability that Cleveland Guardians will be the outcome. Buying one share at 52¢ pays out $1.00 if correct — a 92% 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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Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket.
KalshiIf Houston wins the Houston vs Cleveland professional baseball game originally scheduled for Apr 21, 2026 at 6:10 PM EDT, then the market resolves to Yes.
The following market refers to the Houston vs Cleveland professional baseball game originally scheduled for Apr 21, 2026 at 6:10 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 Houston Astros and Cleveland Guardians, scheduled for April 21 at 6:10PM ET: This market will resolve to "Houston Astros" if the Houston Astros win the game. This market will resolve to "Cleveland Guardians" if the Cleveland Guardians 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.
Cleveland Guardians
51.5% avg
