The mid-season playoff race is steering fresh money into baseball prediction markets, where Los Angeles Dodgers championship contracts have drawn nearly $68 million combined on Polymarket and Kalshi.
Key Points:
- Dodgers World Series contracts have traded roughly $35 million on Polymarket and $32.7 million on Kalshi heading into the All-Star break.
- The Aug. 3 trade deadline is expected to bring the busiest baseball trading week of the year.
- MLB named Polymarket its exclusive prediction market partner in March.
Dodgers Dominate Polymarket and Kalshi World Series Odds
Both platforms reached the break with nearly identical prices on the sport's biggest question. Odds data published Sunday showed Los Angeles roughly three times clear of the next contender on each board. The championship contract has traded about $35 million on Polymarket and $32.7 million on Kalshi, the deepest baseball market either venue lists.
The New York Yankees lead a tighter American League picture, with Seattle and Tampa Bay close behind on both exchanges, and the gaps between the two boards rarely exceed a couple of percentage points. Smaller contracts track Monday's Home Run Derby, where Kyle Schwarber tops each board at 22 percent.
Sports now outdraw politics on both platforms.
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MLB Trade Deadline and Draft Feed Betting Volume
The calendar points toward more action in the second half. The league set this year's deadline for Aug. 3, the latest date permitted under the current labor agreement, and reported deals in that window can reprice division and championship odds within minutes. Traders can build or exit positions the moment news breaks, a speed advantage traditional sportsbooks rarely match.
The draft supplied its own headline Saturday in Philadelphia. The Chicago White Sox selected UCLA shortstop Roch Cholowsky with the No. 1 overall pick, and the first-place club agreed to terms with him within hours.
Polymarket's global exchange settles positions in USD Coin (USDC), while Kalshi operates under federal oversight, a split that keeps crypto rails underneath baseball's fastest-growing wagering layer.
Baseball's turn toward these venues began before Opening Day. Major League Baseball named Polymarket its official prediction market exchange on Mar. 19, in a deal sources estimated at up to $300 million over three years, while the commissioner signed an integrity pact with federal regulators. Volume has climbed steadily since, led by World Cup contracts that drove record sports activity across both platforms this summer.
Baseball entered that pipeline quietly, and its 162-game season now supplies the steady stream of odds-moving events these markets were built to trade.
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