Market Closed
This market has resolved and is no longer trading. Prices shown are the final recorded values.
Houston Astros vs. Seattle Mariners: O/U 8.5
Closed April 12, 2026
Polymarket Price
Volume 24h
$25K
Liquidity
$10K
Bid / Ask
30% / 38%
Spread
8.00pp
Expert Signal
47%
Bayesian YES estimate
Research Summary
Prediction markets currently price "Houston Astros vs. Seattle Mariners: O/U 8.5" at 47% YES / 53% NO. In the last 24 hours, $25K has been traded. A Bayesian estimate puts the probability at 47%. The bid-ask spread is 8.00 percentage points. The market closes on April 12, 2026.
Cite this snapshot
ForecastMind (2026-04-12). "Houston Astros vs. Seattle Mariners: O/U 8.5." Prediction market snapshot: YES 47%, NO 53%. Retrieved from https://forecastmind.org/markets/1961562
This event has 10 active outcome markets. there be a run scored in the first inning?: H: 100%, Houston Astros vs. Seattle Mariners: O/U 6.5: 100%, Spread: Seattle Mariners (-2.5): 98%.
Houston Astros vs. Seattle Mariners: O/U 8.5
Topic Intelligence
✦ AI Analysis
Synthesizes price, cross-venue gaps, Bayesian edge, and event context into a concise brief.
Price History
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Key Moments
First recorded
47% YES
Apr 12, 2026
Trough probability
38% YES — lowest in period
Apr 12, 2026
Crossed 50% — now favored YES
52%
Apr 12, 2026
Biggest move: +14.5pp
38% → 52%
Apr 12, 2026
Current
52% YES (+14.5pp recent)
Apr 12, 2026
Order Book (YES)
Expected Value Calculator
+1.1%
EV per $ wagered
-0.9%
EV per $ wagered
EV = return on investment if your probability is correct. Kelly = optimal bankroll fraction (½ Kelly is a common conservative choice). Fees not included.
Backtest Strategy
Enter when YES price ≤ this