The Boston Red Sox and Kansas City Royals present a compelling World Series odds comparison. The Boston Red Sox currently sit at +1950 (4.9%) while the Kansas City Royals are at +3000 (3.2%) — a razor-thin margin separating the two.
Since the start of the 2026 season, the Boston Red Sox have drifted from +1640 to +1950, while the Kansas City Royals have shortened from +3470 to +3000.
The market currently gives the Boston Red Sox the edge at +1950, while the Kansas City Royals sit at +3000. Both teams' full odds history across all tracked sportsbooks is charted above.