Philadelphia Phillies vs. Milwaukee Brewers

Platform comparison

Active sub-markets

Market context

The Phillies travel to Milwaukee on 13 June for an evening fixture against the Brewers, with first pitch at 7:10 PM ET. The 40% crowd probability favours Milwaukee, reflecting the Brewers' recent form and home-field advantage. Settlement occurs by 20 June, allowing for weather postponements or scheduling adjustments within that window.

Historical matchup data between these franchises shows the Phillies hold a marginal edge in head-to-head records over the past three seasons, yet Milwaukee's home performance at American Family Field has been notably stronger than their road splits. Comparable June fixtures in prior years have seen crowd probabilities shift materially based on starting pitcher announcements—typically a 3–5 percentage-point swing once rotations are confirmed. The current 40% for Philadelphia suggests traders are pricing in either a Brewers starter advantage or recent Milwaukee momentum, both factors worth cross-referencing against official roster updates.

Key variables for programmatic monitoring include confirmed pitching assignments (usually announced 24–48 hours before game time), injury reports affecting either lineup's depth, and weather forecasts for Milwaukee on game day. Recent MLB.com reports indicate both teams' rotation health remains stable, though any last-minute bullpen adjustments could shift implied probabilities. Conditional order logic should account for the 7-day settlement window; if the game postpones, the market remains live, meaning traders tracking weather alerts and MLB scheduling announcements gain execution advantage over static positions.

Methodology

We track Philadelphia Phillies vs. Milwaukee Brewers on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.