In the race for the World Series, the Chicago Cubs (+1900) and Kansas City Royals (+3060) are separated by a razor-thin margin. The implied probabilities — 5.0% and 3.2% respectively — tell the story of how the market views these two contenders.
Since the start of the 2026 season, the Chicago Cubs have drifted from +1870 to +1900, while the Kansas City Royals have shortened from +3470 to +3060.
The market currently gives the Chicago Cubs the edge at +1900, while the Kansas City Royals sit at +3060. Both teams' full odds history across all tracked sportsbooks is charted above.