The 2026 World Series winner market is the deepest futures board in baseball, trading across roughly $94.8M in cumulative volume with all 30 clubs priced on both Kalshi and Polymarket. Entering the final six weeks of the regular season, the Milwaukee Brewers own the best record in the sport while the Los Angeles Dodgers still carry the largest single share of the board. The live board above ranks the current cross-platform prices on every team; the market resolves when the World Series ends, with a deadline of October 31, 2026.
The 2026 World Series winner market is the single largest baseball futures board on the prediction-market calendar, with all 30 MLB clubs listed on both Kalshi and Polymarket and roughly $94.8M in cumulative volume across the field. With about six weeks left in the regular season, the board has settled into three bands: one heavy favorite in the Los Angeles Dodgers, a seven-team contender group the market treats as genuinely live, and 11 clubs sitting at the floor with no priced chance at all. Nineteen teams still carry a number. The live board above always shows the current cross-platform cents on every team.
The defining feature of the board right now is the gap between the Dodgers' price and the Dodgers' resume. Through games of August 17, 2026, Los Angeles is 74-51 with a +136 run differential. Those are strong numbers and they are also matched elsewhere: Milwaukee is 77-48 with an identical +136 differential, and Atlanta is 74-50 at +117. The market still assigns Los Angeles roughly a third of the entire field. That premium is a bet on October rather than on the regular season, built on rotation depth and the ability to line up three postseason starters in a short series rather than on a better six-month record.
Milwaukee is the name that has changed most since this page was last reviewed. The Brewers are 77-48, the best record in Major League Baseball, with a 3.46 team ERA that ranks second in the sport and a +136 differential that ties them with the Dodgers for the best mark in either league. They price far below Los Angeles anyway, which is the market applying its standard discount to a small-market roster with a thin recent postseason record. The New York Yankees hold the second-largest share of the board on pitching: a 3.26 team ERA that leads all of baseball and a +85 differential, even while sitting 5.5 games behind Tampa Bay in the American League East.
The contender band behind the top two has been reordered. Tampa Bay leads the AL East at 74-49 with a 3.79 team ERA and now trades ahead of every American League club except the Yankees. Atlanta at 74-50 leads the NL East and owns the third-best run differential in baseball at +117. The Chicago Cubs at 72-53 have the fourth at +100, and Boston is 66-58 behind a 3.51 team ERA, third-best in the sport. The clearest fallers are Seattle at 59-66 and Toronto at 61-65, both of which the market carried as live threats earlier in the year and both of which now sit near the bottom of the priced field.
Two standings quirks explain prices that look wrong at first glance. The Chicago White Sox lead the AL Central at 65-58 and the Houston Astros lead the AL West at 63-62 with a -30 run differential, yet both trade in the low single digits because this market prices October strength, not a division banner. The same logic works in reverse for Boston and San Diego, which trail in their divisions but price as real threats. Team-level boards such as Milwaukee Brewers playoff odds and the Los Angeles Dodgers 2026 win total feed directly into this one, since a club has to reach October before it can win the title.
The market resolves to the team that wins the 2026 World Series, the best-of-seven championship series between the American League and National League pennant winners, played in late October 2026. The board carries a resolution deadline of October 31, 2026. Each team contract pays out if that club wins the title; every other team contract resolves to zero. If the World Series is canceled or cannot be completed by the resolution date, the market settles under each platform's published void rules.
This board is the headline of the baseball futures slate. Pair it with Los Angeles Dodgers playoff odds and Chicago Cubs playoff odds to see how the October field is forming, then check the individual races at 2026 NL MVP odds and 2026 AL MVP odds. The New York Yankees 2026 win total tracks the AL East race that decides Tampa Bay's and New York's seeding. For team win totals, division races, and daily game lines across the sport, browse the full MLB markets hub.
Resolves to the team that wins the 2026 World Series, the best-of-seven Major League Baseball championship series between the American League and National League pennant winners, played in late October 2026. The market carries a resolution deadline of October 31, 2026. Each team contract pays $1 per share if that team wins the World Series; all other team contracts resolve to $0. The source of truth is MLB's official declaration of the World Series champion. If the World Series is canceled, suspended, or cannot be completed by the resolution date, the market settles under each platform's published void and postponement rules.
The live board above shows current cross-platform prices for all 30 MLB clubs on Kalshi and Polymarket across roughly $94.8M in cumulative volume. Nineteen teams still carry a priced chance; the other 11 sit at the floor.
It resolves when the 2026 World Series ends in late October 2026, with a deadline of October 31, 2026. The winning club's contract pays out and every other team resolves to zero.
The market trades on both Kalshi and Polymarket, with all 30 teams listed on each. Prediction Genius shows both platforms side by side so you can compare cross-platform prices on every contender.
As of August 17, 2026 the Los Angeles Dodgers are the favorite at roughly a third of the board despite a 74-51 record that trails Milwaukee's 77-48. The New York Yankees hold the second-largest share on the strength of a 3.26 team ERA. See the live board above for the current cents.
Watch the first-round bye race, where Milwaukee, Los Angeles, Atlanta, Tampa Bay and the Cubs are fighting for four spots, plus the AL wild-card group of Texas, Toronto, Detroit, Minnesota and Cleveland packed inside 1.5 games.