The Cleveland Cavaliers and Boston Celtics present a compelling NBA Championship odds comparison. The Cleveland Cavaliers currently sit at +1330 (7.0%) while the Boston Celtics are at +535 (15.7%) — a notable gap separating the two.
Since the start of the 2025-26 season, the Cleveland Cavaliers have drifted from +1030 to +1330, while the Boston Celtics have shortened from +940 to +535.
The market currently gives the Boston Celtics the edge at +535, while the Cleveland Cavaliers sit at +1330. Both teams' full odds history across all tracked sportsbooks is charted above.