In the race for the World Series, the Cleveland Guardians (+3300) and Miami Marlins (+26300) are separated by a razor-thin margin. The implied probabilities — 2.9% and 0.4% respectively — tell the story of how the market views these two contenders.
Since the start of the 2026 season, the Cleveland Guardians have shortened from +4020 to +3300, while the Miami Marlins have drifted from +17800 to +26300.
The market currently gives the Cleveland Guardians the edge at +3300, while the Miami Marlins sit at +26300. Both teams' full odds history across all tracked sportsbooks is charted above.