In the race for the World Series, the Arizona Diamondbacks (+7100) and Miami Marlins (+17600) are separated by a razor-thin margin. The implied probabilities — 1.4% and 0.6% respectively — tell the story of how the market views these two contenders.
Since the start of the 2026 season, the Arizona Diamondbacks have drifted from +7100 to +7100, while the Miami Marlins have drifted from +16700 to +17600.
The market currently gives the Arizona Diamondbacks the edge at +7100, while the Miami Marlins sit at +17600. Both teams' full odds history across all tracked sportsbooks is charted above.