Milwaukee Brewers vs. Houston Astros

Platform comparison

Active sub-markets

Market context

The Milwaukee Brewers face the Houston Astros on 31 May at 2:10 PM ET in a regular-season matchup. This single-game resolution requires monitoring standard MLB scheduling variables: weather delays, roster changes, and official box score confirmation through MLB's authoritative records. The settlement window extends to 7 June, providing a buffer for postponements or administrative delays that occasionally affect same-day resolution.

The 0% crowd probability reflects either extreme confidence in one outcome or insufficient liquidity to establish meaningful price discovery. Historical precedent suggests single-game baseball markets typically settle within hours of completion, though weather-related postponements in late May occur in roughly 2–3% of scheduled games across the league. Comparable markets show that crowd-implied probabilities below 5% often indicate either a heavily favoured team or sparse trading activity rather than genuine certainty. Traders building conditional orders should account for the possibility of rescheduling, which would keep the market open beyond the original game date.

Key catalysts include starting pitcher announcements (typically confirmed 24 hours prior), injury reports affecting either roster, and any weather advisories for the game location. Recent Brewers and Astros matchups provide baseline data for algorithmic comparison of run-scoring patterns and bullpen reliability. Programmatic traders should flag any lineup changes or bullpen usage from preceding games, as these directly influence same-day performance metrics. The settlement mechanism's 50-50 tie provision is relevant only if the game ends in a draw—an outcome occurring in fewer than 0.1% of MLB games—making it negligible for most trading strategies.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Bot UK, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket Bot UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Bot UK triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.