Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Election Predictions UK Pick polygram.ink |
17% | 83% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Election Predictions UK → |
Polymarket polymarket.com |
17% | 83% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Election Predictions UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Election Predictions UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Election Predictions UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Election Predictions 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 Election Predictions UK.
Active sub-markets
| Spread -3.5 | 17% Tampa Bay Rays | 84% Boston Red Sox |
| Spread -2.5 | 64% Tampa Bay Rays | 37% Boston Red Sox |
| Spread -1.5 | 82% Tampa Bay Rays | 19% Boston Red Sox |
| Spread -2.5 | 2% Boston Red Sox | 98% Tampa Bay Rays |
| Spread -3.5 | 2% Boston Red Sox | 98% Tampa Bay Rays |
| Spread -4.5 | 1% Boston Red Sox | 99% Tampa Bay Rays |
Market context
The Boston Red Sox face the Tampa Bay Rays on 9 June at 6:40 PM Eastern Time in a regular-season Major League Baseball fixture. The market currently prices a Red Sox victory at 24 per cent, implying strong favouritism towards Tampa Bay. This represents a substantial gap from the historical head-to-head record between these franchises, which shows relatively balanced competition over recent seasons, though Tampa Bay has held marginal advantages in specific periods.
The 24 per cent probability reflects several underlying factors. Boston's 2024 roster composition and recent form heading into June will be material; the Red Sox typically perform better in home games, though this fixture's venue affects the calculus. Tampa Bay's pitching depth and bullpen reliability have historically provided advantages in close contests. Recent injury reports, batting averages against specific pitching styles, and weather conditions at game time—particularly relevant for June baseball in the American League East—will influence actual match outcomes.
Traders should monitor lineup announcements in the 48 hours preceding the match, particularly regarding starting pitchers and any late roster changes due to injury. Betting markets and sportsbooks typically adjust their odds based on these developments; sharp movement away from the current 24 per cent level would signal material new information. Historical performance in similar matchups—same-season head-to-head records and performance against comparable opponents—provides context for assessing whether the current probability reflects genuine competitive imbalance or represents mispricing relative to underlying team strength.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $593K.
Methodology
This page tracks Boston Red Sox vs. Tampa Bay Rays across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. Election Predictions UK routes every trade through to Polymarket — at 0% fees.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
FAQ
- Where can I trade this market with the lowest fees?
- On Election Predictions 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?
- Election Predictions 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Election Predictions 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.
Trade Boston Red Sox vs. Tampa Bay Rays on Election Predictions UK
Live order book, 0% fees, USDC settlement in seconds.
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