In the race for the World Series, the Chicago Cubs (+1900) and Houston Astros (+2220) are separated by a razor-thin margin. The implied probabilities — 5.0% and 4.3% 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 +1860 to +1900, while the Houston Astros have drifted from +2220 to +2220.
The market currently gives the Chicago Cubs the edge at +1900, while the Houston Astros sit at +2220. Both teams' full odds history across all tracked sportsbooks is charted above.