The Arizona Diamondbacks and Cleveland Guardians present a compelling World Series odds comparison. The Arizona Diamondbacks currently sit at +7000 (1.4%) while the Cleveland Guardians are at +5500 (1.8%) — a razor-thin margin separating the two.
Since the start of the 2026 season, the Arizona Diamondbacks have drifted from +6500 to +7000, while the Cleveland Guardians have drifted from +4900 to +5500.
The market currently gives the Cleveland Guardians the edge at +5500, while the Arizona Diamondbacks sit at +7000. Both teams' full odds history across all tracked sportsbooks is charted above.