Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Election Predictions UK Pick polygram.ink |
40% | 60% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Election Predictions UK → |
Polymarket polymarket.com |
40% | 60% | 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 -1.5 | 40% Tampa Bay Rays | 61% Boston Red Sox |
| O/U 7.5 | 48% Over | 53% Under |
| Boston Red Sox vs. Tampa Bay Rays | 41% Boston Red Sox | 60% Tampa Bay Rays |
| NRFI | 47% YES | 53% NO |
| Spread -3.5 | 21% Tampa Bay Rays | 80% Boston Red Sox |
| Spread -2.5 | 30% Tampa Bay Rays | 71% Boston Red Sox |
Market context
The Boston Red Sox face the Tampa Bay Rays on 10 June at 1:10PM ET in a regular-season MLB matchup. The current crowd-implied probability of 40% for a Red Sox victory reflects modest confidence in Boston, despite the team's recent performance trajectory and roster composition relative to Tampa Bay's competitive standing within the AL East division.
Historical matchups between these franchises over the past three seasons show relatively balanced outcomes, with neither team establishing decisive dominance in head-to-head play. The Red Sox have maintained stronger overall win percentages in recent campaigns, yet the Rays' pitching depth and defensive efficiency have consistently produced competitive results in divisional contests. The 40% probability assigned to Boston suggests traders are weighting Tampa Bay's structural advantages—particularly bullpen reliability and contact-rate discipline—against Boston's offensive potential and home-field advantage at Fenway Park.
Key variables affecting settlement include starting pitcher assignments, which typically emerge 24–48 hours before first pitch, and any roster adjustments announced through official MLB channels or team statements. Recent injury reports and weather conditions at game time represent additional dependencies; June weather in Boston occasionally produces postponements that would extend the settlement window beyond the scheduled date. Traders should monitor ESPN's injury tracker and the National Weather Service forecast for the Boston area as the fixture approaches, alongside any late-breaking roster moves reported by MLB.com or The Athletic.
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
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
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.
- What does it cost to trade on Election Predictions UK?
- Zero. Election Predictions UK 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.
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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