Philadelphia Phillies vs. Boston Red Sox

Platform comparison

Market context

The Philadelphia Phillies face the Boston Red Sox on 13 May at 6:45 PM ET in an early-season matchup. The 0% implied probability reflects either extremely limited trading activity or a technical issue with market initialisation, as both teams typically command measurable backing in standard MLB fixtures. Settlement occurs by 20 May, allowing for postponement accommodation under the stated rules.

Historical context suggests May regular-season games between these franchises carry baseline volatility tied to roster depth and early-season form rather than structural advantages. The Red Sox and Phillies occupy different divisional contexts—Boston competes in the AL East whilst Philadelphia operates in the NL East—meaning their respective strength-of-schedule and injury patterns develop independently through April. Early-season pitching matchups often prove decisive; starting pitcher availability and bullpen depth frequently shift market expectations materially in the 48 hours before first pitch.

Traders should monitor roster updates through 12 May, particularly injury reports affecting starting pitchers or key position players. Weather conditions at Citizens Bank Park in Philadelphia could influence play style and scoring expectations. Recent form matters: check each team's record and run differential from their preceding five games, as May performance often correlates with April momentum. The market's current extreme probability warrants verification of settlement mechanics and data feed integrity before committing capital, given that genuine 0% outcomes are rare in competitive matchups.

Methodology

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

Resolution & payout

Resolution source: This market settles from the official publication at https://www.mlb.com/. A proposer submits the result to the UMA Optimistic Oracle on Polygon, the two-hour challenge window opens, and the smart contract pays out in USDC.

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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.