San Francisco Giants @ Cleveland Guardians

The earliest price we can prove, and where it closed

This game was already listed when our search window opened, so the number below is the earliest one we have on record rather than the opening line. It was captured once from the odds archive and actually posted.

• San Francisco Giants: PINN earliest +161, closed +191 (longer)
• Cleveland Guardians: PINN earliest -180, closed -200 (shorter)

About These Closing Odds

Every price on this page is a book's own last quote strictly before San Francisco Giants and Cleveland Guardians started, taken from our scan archive. A book that stopped pricing the game early still shows the number it closed at, and a book that never priced it is not listed. 20 books priced this game. Prediction market prices include trading fees wherever a fee applies, so they are directly comparable to sportsbook lines. See how we calculate this.

This page is permanent. The closing prices above do not change again, and the page keeps them at this address after the game, the season and the rematch, so it stays a citable record of what this line actually closed at.

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Cite this page: https://theoddsgap.com/odds/mlb/san-francisco-giants-vs-cleveland-guardians, final August 20, 2026.