In the race for the World Series, the Kansas City Royals (+3000) and Miami Marlins (+18500) are separated by a razor-thin margin. The implied probabilities — 3.2% and 0.5% respectively — tell the story of how the market views these two contenders.
Since the start of the 2026 season, the Kansas City Royals have shortened from +3470 to +3000, while the Miami Marlins have drifted from +18500 to +18500.
The market currently gives the Kansas City Royals the edge at +3000, while the Miami Marlins sit at +18500. Both teams' full odds history across all tracked sportsbooks is charted above.