The Boston Red Sox and Cleveland Guardians present a compelling World Series odds comparison. The Boston Red Sox currently sit at +4890 (2.0%) while the Cleveland Guardians are at +3300 (2.9%) — a razor-thin margin separating the two.
Since the start of the 2026 season, the Boston Red Sox have drifted from +4890 to +4890, while the Cleveland Guardians have drifted from +3300 to +3300.
The market currently gives the Cleveland Guardians the edge at +3300, while the Boston Red Sox sit at +4890. Both teams' full odds history across all tracked sportsbooks is charted above.