Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
71% | 29% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
71% | 29% | 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 → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| 1st 5 Innings O/U 2.5 | 71% |
| 1st 5 Innings O/U 3.5 | 56% |
| New York Yankees vs. Baltimore Orioles | 52% |
| O/U 7.5 | 50% |
| NRFI | 44% |
| 1st 5 Innings O/U 4.5 | 43% |
| O/U 8.5 | 41% |
| Spread -1.5 | 38% |
| 1st 5 Innings O/U 5.5 | 32% |
| Spread -1.5 | 32% |
| O/U 9.5 | 32% |
| 1st 5 Innings Spread -1.5 | 30% |
| 1st 5 Innings Spread -1.5 | 28% |
| Spread -2.5 | 28% |
| Spread -2.5 | 22% |
| 1st 5 Innings O/U 6.5 | 21% |
| Extra Innings | 10% |
Market context
The Yankees and Orioles meet on 20 August in Baltimore, with the contest commencing at 6:35 PM ET. The 52% crowd probability favours New York, reflecting their historical edge in the fixture and broader roster depth, though the Orioles have shown competitive form in recent seasons and play at home where they typically perform better than on the road.
Baltimore's 2024 campaign has positioned them as a genuine AL East contender, yet the Yankees maintain a structural advantage in payroll and established star power. The key variable entering this fixture centres on recent injury status and bullpen availability. The Orioles' pitching depth has been tested throughout August, whilst New York's rotation has managed relative consistency. Beat reporters covering the Orioles have noted concerns around their middle relief corps heading into the final stretch of the regular season, a factor that could prove decisive in a close contest.
Traders should monitor lineup confirmations released 24 hours before first pitch, particularly regarding any late absences from either side's batting order. Weather conditions in Baltimore—typically humid and occasionally affecting fly ball carry in late August—may favour one team's offensive profile over the other. The settlement window extends to 27 August, providing a buffer for postponements, though the fixture is scheduled under standard conditions with no weather system currently forecast to disrupt play.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $182K.
Methodology
Sports-specific comparison page for New York Yankees vs. Baltimore Orioles. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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