Seattle Mariners vs Boston Red Sox Prediction Market Odds
MLBPregame
5 Markets · $33 vol
Mariners
7:00 PM
Aug 31
Sox
Mariners Win
43%42%
Sox Win
61%59%
Game OddsTap a team for order book
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
▶Mariners | — | O 1 54% | 43%42% | 43% Kalshi |
▶Sox | — | U 1 46% | 61%59% | 61% Kalshi |
KalshiPolymarket
Trade Sox ML at 61% on Kalshi ↗
Best price across platforms
MLB5 MarketsPregame
Seattle Mariners
7:00 PM
August 31, 2026
Boston Red Sox
Sox ML at 61% on Kalshi· Best across platforms
Trade on Kalshi ↗Game OddsTap a team for order book
KalshiPolymarket
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⚠Informational content only. Not financial or betting advice. Prediction markets involve risk of loss.