Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
78% | 22% | 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 | 78% |
| 1st 5 Innings O/U 3.5 | 64% |
| O/U 7.5 | 56% |
| 1st 5 Innings O/U 4.5 | 52% |
| NRFI | 50% |
| O/U 8.5 | 48% |
| Baltimore Orioles vs. Texas Rangers | 46% |
| 1st 5 Innings O/U 5.5 | 40% |
| Spread -1.5 | 38% |
| O/U 9.5 | 37% |
| 1st 5 Innings Spread -1.5 | 33% |
| Spread -1.5 | 33% |
| 1st 5 Innings Spread -1.5 | 28% |
| 1st 5 Innings O/U 6.5 | 28% |
| Spread -2.5 | 28% |
| Spread -2.5 | 24% |
| Extra Innings | 8% |
Market context
The Orioles arrive having been edged 5-1 in Arlington last night, with Baltimore scoring only one run and dropping its second straight game against Texas after a 2-1 loss the previous day.[2][8] That leaves the market’s 46% YES price broadly in line with a matchup that has recently tilted towards the Rangers, even though the season series is still only a small sample and Baltimore has historically held the better head-to-head record over many years.[14]
For comparable cases, the most useful read-through is recent form rather than legacy meeting records. Texas have already taken three of the four meetings between the clubs in 2026, including Jack Leiter’s six-inning, eight-strikeout performance in the March opener and two tight wins this week, which is why a near-even probability does not look out of place despite Baltimore’s slightly stronger overall offensive production across the season.[1][2][4][11][14] The Orioles’ run scoring has also been muted lately, with one report noting just 11 runs over their previous seven games entering Saturday.[9]
The main catalysts now are simple: whether both line-ups look materially different from the back-to-back results, and whether either club makes a late pitching or rest adjustment before the 2:35PM ET first pitch. Texas have been the steadier side over the last few days, winning three straight for the first time since the All-Star break before Saturday’s result, while Baltimore have been struggling to create separation in games and are now on the wrong side of the recent momentum.[3][8] With the settlement window tied to the completed game, any postponement would keep the market open until play is finished rather than forcing an early resolution.[query]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $109K.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, 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.
UK Frequently Asked Questions
- 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.
- 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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