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Boston Red Sox vs. Tampa Bay Rays

Five-platform snapshot of "Boston Red Sox vs. Tampa Bay Rays" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

40% YES 60% NO Volume: $176K Liquidity: $738K Closes: 17 Jun 2026
Trade on Polymarket UK →
Boston Red Sox vs. Tampa Bay Rays

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket UK Pick
polygram.ink
 40% 60% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Polymarket UK →
Polymarket
polymarket.com
 40% 60% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Polymarket UK →
Kalshi
kalshi.com
 — — Up to 7% per trade US-only, KYC required USD Open on Polymarket UK →
Betfair Exchange
betfair.com
 — — 2-5% commission Full KYC from first trade GBP / EUR Open on Polymarket UK →
Manifold Markets
manifold.markets
 — — Play-money (mana) None — play-money Mana (no cash-out) Open on Polymarket UK →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket UK.

Active sub-markets

Spread -1.540% Tampa Bay Rays61% Boston Red Sox
O/U 7.548% Over53% Under
Boston Red Sox vs. Tampa Bay Rays42% Boston Red Sox59% Tampa Bay Rays
NRFI46% YES54% NO
Spread -3.520% Tampa Bay Rays80% Boston Red Sox
Spread -2.529% Tampa Bay Rays71% Boston Red Sox

Market context

Based on real-money crowd forecasting, boston red sox vs. tampa bay rays stands at 40% likelihood according to current market consensus. In the upcoming MLB game between the Boston Red Sox and Tampa Bay Rays, scheduled for June 10 at 1:10PM ET: This market will resolve to "Boston Red Sox" if the Boston Red Sox win …

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 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 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 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.
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.
Do I need to KYC for this market?
Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket 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.
Oliver HughesOliver HughesBlockchain & Crypto ReporterandEmma RobertsEmma RobertsFinancial Journalist

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