The Arizona Diamondbacks and Baltimore Orioles present a compelling World Series odds comparison. The Arizona Diamondbacks currently sit at +8600 (1.1%) while the Baltimore Orioles are at +5700 (1.7%) — a razor-thin margin separating the two.
Since the start of the 2026 season, the Arizona Diamondbacks have drifted from +6500 to +8600, while the Baltimore Orioles have drifted from +2210 to +5700.
The market currently gives the Baltimore Orioles the edge at +5700, while the Arizona Diamondbacks sit at +8600. Both teams' full odds history across all tracked sportsbooks is charted above.