Will the Milwaukee Brewers win the 2026 World Series?

Crossbook compares what two exchanges, Polymarket and Kalshi, charge for the same event, and publishes a permanent scored record of its own forecasts under published rules.

Tracked on one venue, with Crossbook's own call on the record.

TradingContract settles 31 Oct 2026Last checked 29 Oct 2026, 02:55 UTC

Data may be delayed. These prices have not refreshed recently, so treat them as a last known reading rather than a current quote.

Bid/ask midpoint · retrieved 2026-10-29T02:55:27.064Z. Venue quote-update time is unavailable. Readings can be asynchronous.

99.0%bid 98.5% / ask 99.4%24h volume $211K · liquidity $60Kas of 29 Oct, 02:55 UTC · not refreshed recentlyView on Polymarket

Price, last 60 days

Crossbook forecast

58.4%against a market price of 63.8% at the timeOpen
Logged 18 Oct 2026, 19:00 UTC
- The key structural fact is that Milwaukee is no longer one of 30 teams but one of two finalists, having swept the Dodgers 4-0 in the NLCS to win the NL pennant — this moves the base rate from a preseason ~3% to 50%.
- Small positive signal: a 103-59 regular season (best-in-baseball caliber record) plus a four-game NLCS sweep over the defending-champion Dodgers indicates elite current form and a rested bullpen entering the Series.
- Offsetting negative signal: a crowded injury list with two rotation arms (Woodruff, Priester) carrying shoulder injuries could thin their pitching depth over a seven-game series, though postseason rosters often absorb such losses.
- Major uncertainty: the AL opponent is unidentified in the retrieved facts, so I cannot adjust for matchup strength; a strong AL champion would push this back to or below 50%. This caps my adjustment to a modest +3 points rather than more.
- Historical franchise futility (no title in their only prior appearance, 1982) is narrative rather than signal — roster turnover over 40+ years makes it irrelevant to this team's chances.
What would change it: Announcement that the AL champion is a clearly superior team (e.g., 100+ wins with a healthy rotation), or news that Woodruff/Priester are ruled out for the Series, would push my estimate back to 0.50 or below.
t-0256

Polymarket prices this at 99.0%. No verified equivalent is currently listed on the other venue, so there is no cross venue comparison on this page.

Volume over the last 24 hours is active, at about $211,196 on the busier venue. It closes in 2 days. Prices this close to resolution move on news rather than on reassessment.

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