In the race for the World Series, the Chicago Cubs (+2740) and St. Louis Cardinals (+11700) are separated by a razor-thin margin. The implied probabilities — 3.5% and 0.8% 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 +2120 to +2740, while the St. Louis Cardinals have drifted from +11700 to +11700.
The market currently gives the Chicago Cubs the edge at +2740, while the St. Louis Cardinals sit at +11700. Both teams' full odds history across all tracked sportsbooks is charted above.