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Philadelphia Phillies vs. Boston Red Sox

Comparison of odds and platforms for "Philadelphia Phillies vs. Boston Red Sox" — sourced live from the Polymarket order book, curated by PolyGram.

16 outcomes · leader: O/U 4.5 at 64%

44% YES 56% NO Volume: $939K 24h volume: $926K Liquidity: $392K Opened: 8 May 2026 Closes: 21 May 2026

Resolution criteria: In the upcoming MLB game between the Philadelphia Phillies and Boston Red Sox, scheduled for May 14 at 6:45PM ET: This market will resolve to "Philadelphia Phillies" if the Philadelphia Phillies win the game. This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primar

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Philadelphia Phillies vs. Boston Red Sox

Market statistics

Total volume
$939K
24h volume
$926K
Liquidity
$392K
Open interest
$823K

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via PolyGram) Pick
polygram.ink (preferred broker)
44% 56% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
44% 56% 0% Geo-blocked in US/UK/EU USDC, on-chain Live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Live odds →

Available prediction outcomes (16)

Sorted by descending live probability. Click any outcome to trade it on PolyGram.

Market context

In the upcoming MLB game between the Philadelphia Phillies and Boston Red Sox, scheduled for May 14 at 6:45PM ET: This market will resolve to "Philadelphia Phillies" if the Philadelphia Phillies win the game. This market will resolve to "Boston Red Sox" if the Boston Red Sox win the game. If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, or ends in a tie, this market will resolve 50-50. The primar

Wikipedia Context

  • Philadelphia Phillies
    Philadelphia Phillies

    The Philadelphia Phillies are an American professional baseball team based in Philadelphia. The Phillies compete in Major League Baseball (MLB) as a member club of the National League (NL) East Division. Since 2004, the team's home stadium has been Citizens Bank Park, located in the South Philadelphia Sports Complex.

  • Philadelphia Phillies minor league players

    Below are the rosters of the minor league affiliates of the Philadelphia Phillies:

  • Philadelphia Phillies Wall of Fame
    Philadelphia Phillies Wall of Fame

    The Philadelphia Phillies Wall of Fame, formerly known as the Philadelphia Baseball Wall of Fame and officially known as the Toyota Phillies Wall of Fame for sponsorship reasons, is an exhibit located at Citizens Bank Park in Philadelphia, Pennsylvania. The exhibit is a collection of plaques that honor players and personnel who made significant contributions

  • Philadelphia Phillies all-time roster (W–Z)
    Philadelphia Phillies all-time roster (W–Z)

    The Philadelphia Phillies are a Major League Baseball team based in Philadelphia, Pennsylvania. They are a member of the Eastern Division of Major League Baseball's National League. The team has played officially under two names since beginning play between 1882 and 1883: the current moniker, as well as the "Quakers", which was used in conjunction with "Phil

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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

Where can I trade this market with the lowest fees?
Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
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 Polymarket cost to trade?
Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
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.

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