The 2026 MLB World Series will commence on Friday, October 23rd, after the Championship finals. “LA Dodgers to win the World Series” | “Yes” at 33¢ | 33% ChanceWill the Los Angeles Dodgers win the 2026 World Series? (Photo by Nicole Vasquez/MLB Photos via Getty Images)“New York Yankees to win the World Series” | “Yes” at 14¢ | 14% ChanceWill the New York Yankees win the 2026 World Series? “Milwaukee Brewers to win the World Series” | “Yes” at 9.9¢ | 10% ChanceWill the Milwaukee Brewers win the 2026 World Series? The Last Word: Trading MLB Outcomes With PolymarketTrading the World Series winner offers the best overall value across all MLB markets, with a total volume of $36 million hinting at high levels of liquidity for traders.