Milwaukee have existed since 1969 and never won a World Series. Tampa Bay have existed since 1998 and never won one either. By the end of next week one of them will have, and it starts at American Family Field on Friday night. Kalshi, the CFTC-regulated US prediction market, has the Brewers in front.
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Match markets — Rays vs Brewers
Milwaukee sit at 62% for Game 1 and Tampa Bay at 37%. The detail worth noticing is the second card: Milwaukee are 63% to win the whole series — essentially the same number. A side that was genuinely 62% every night would be nearer 80% over seven games, so the market is telling you this price belongs to Friday specifically: home field, and Jacob Misiorowski on the mound. Across the series it sees two teams much closer together.
Match Markets — Rays vs Brewers
Game Winner
- Tampa Bay37%
- Milwaukee62%
World Series Winner
- Milwaukee63%
- Tampa Bay35%
Brewers Runs
- Over 2.566%
- Over 3.550%
Rays Runs
- Over 2.550%
- Over 3.535%
Claim offer →Probabilities are the live Kalshi yes-side bid, correct at 6:36am ET on October 23. Markets move; not financial advice. 18+. Full Kalshi review.
Milwaukee swept the Dodgers to get here, having won 103 games in the regular season. Tampa Bay came through Cleveland in six after sweeping the Yankees. Misiorowski starts Game 1 for the Brewers — 16-5 with a major-league-best 1.80 ERA and 252 strikeouts — against Nick Martinez for the Rays. Neither run line is priced for a shootout: Milwaukee are 50% to clear 3.5 runs and Tampa Bay 35%.
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