Philadelphia Phillies vs. Milwaukee Brewers

Platform comparison

Active sub-markets

Market context

The Philadelphia Phillies travel to Milwaukee on 13 June for an evening fixture against the Brewers, with settlement occurring six days after the scheduled first pitch. The 40% crowd-implied probability favours Milwaukee, reflecting the Brewers' recent form and home-field advantage. USDC settlement on btc-prediction.bet means traders face standard smart-contract execution risk alongside standard sports uncertainty; the settlement window extends to 20 June to accommodate potential postponements, a material consideration given the Great Lakes region's June weather patterns.

Historical matchups between these franchises show marginal home-field effects in regular-season play. Over the past three seasons, the Brewers have held a slight edge in head-to-head records, though the Phillies' 2023–2024 roster improvements narrowed that gap considerably. The current 40% probability for a Phillies win sits below their season win-rate expectations, suggesting the market is pricing in Milwaukee's home status and recent momentum rather than fundamental talent disparity.

Traders should monitor pitching assignments and injury reports through early June; starting pitcher availability often shifts probabilities by 5–8 percentage points in baseball markets. Recent transactions in the broader sports-betting ecosystem show modest volume concentration on Brewers moneylines across traditional sportsbooks, though this does not necessarily correlate with on-chain positioning. Weather forecasts for Milwaukee on 13 June merit attention, as rain delays or cancellations would trigger the settlement extension clause and potentially alter trader behaviour as the window approaches.

Methodology

Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.

Resolution & payout

Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.

Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.

FAQ

Where can I trade this market with the lowest fees?

On BTC Prediction, 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.

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.

What does it cost to trade on BTC Prediction?

Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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, BTC Prediction triggers a quick verification flow that finishes in minutes.