The Arizona Diamondbacks and Kansas City Royals present a compelling World Series odds comparison. The Arizona Diamondbacks currently sit at +8600 (1.1%) while the Kansas City Royals are at +6600 (1.5%) — a razor-thin margin separating the two.
Since the start of the 2025 season, the Arizona Diamondbacks have drifted from +2940 to +8600, while the Kansas City Royals have drifted from +3530 to +6600.
The market currently gives the Kansas City Royals the edge at +6600, while the Arizona Diamondbacks sit at +8600. Both teams' full odds history across all tracked sportsbooks is charted above.