The Arizona Diamondbacks and Cleveland Guardians present a compelling World Series odds comparison. The Arizona Diamondbacks currently sit at +8600 (1.1%) while the Cleveland Guardians are at +3300 (2.9%) — a razor-thin margin separating the two.
Since the start of the 2026 season, the Arizona Diamondbacks have drifted from +6500 to +8600, while the Cleveland Guardians have shortened from +4900 to +3300.
The market currently gives the Cleveland Guardians the edge at +3300, while the Arizona Diamondbacks sit at +8600. Both teams' full odds history across all tracked sportsbooks is charted above.