San Diego Padres vs. Cleveland Guardians

Logged 15 Aug 2026, 01:31 UTC

Not scored: this was logged after the event had already started, which Crossbook’s forecast window failed to catch because the venue published a closing date that included a dispute buffer. It counts toward nothing. Why.

• Absent specific information, no single regular-season baseball game supports a 90%+ win probability; baseball's variance (bullpens, BABIP luck, one bad inning) caps realistic favorites near 70–75%.
• The 7-day window means lineups, starters, and rest situations aren't locked in; pregame odds will converge toward the true price as the game approaches, but my ex-ante cap stands.
• The market at 96.5% with $183k volume implies information I lack — possibly an ace-on-mound mismatch, a Guardians late-season collapse with nothing to play for, or rested-vs-traveling spot — which plausibly justifies a meaningful premium over generic base rates, so I shade well above my pure prior rather than anchoring at ~65%.
• If this is not a single game but a multi-leg or context-heavy condition, the 96.5% could be efficient; I treat that scenario as the main reason my estimate isn't lower.

What would change it: Confirmed starting pitching matchup (e.g., Padres ace vs. Guardians bullpen game or call-up) plus injury/rest reports showing a genuinely lopsided contest would push me toward 0.80+; a competitive matchup on paper would push me toward 0.60.

-24.5 probability points from the market at generation · low confidence · Polymarket

Base rate: Single-game MLB moneyline favorites historically win roughly 55–68% of the time, and even the most lopsided pitching matchups rarely justify more than ~75% pregame.

Chosen by hand.