Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
78% | 22% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
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 | 63% |
| 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% |
| Spread -1.5 | 33% |
| 1st 5 Innings Spread -1.5 | 32% |
| 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 | 10% |
Market context
Polymarket is pricing the Orioles to win at **46%**, which is slightly below a coin flip and close to the Rangers’ side on the conditional-token contract settled in **USDC on Polygon**. For a user holding yes/no exposure, that means the market is implying a narrow Texas edge rather than a strong conviction either way.
The number is consistent with the recent form and the head-to-head run between these teams. Texas has won the last two meetings, including a **2-1** result on 7 August and a **5-1** win on 8 August, while Baltimore has dropped three of the four match-ups between the sides in 2026.[1][7][16] Across the season, ESPN lists the Rangers at **58-58** and the Orioles at **56-60**, with Texas also showing a slightly better home record and a marginally stronger pitching line in WHIP and opponent batting average.[1] In a market like this, a sub-50% price is best read as a blend of recent results, venue, and the expectation that one more game can still swing quickly.
The main catalysts are practical rather than abstract: confirmed starting pitchers, late lineup scratches, and whether the scheduled first pitch at **2:35 pm ET** holds without delay. Because the contract stays open if the game is postponed and only resolves 50-50 if it is cancelled entirely or ends tied, traders on Polymarket need to watch MLB’s official status updates as closely as the box score itself. ESPN’s game page and the MLB game feed are the cleanest references for final status, while any weather or schedule change matters directly to the eventual token outcome.[1][12]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $112K.
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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%.
Trade Baltimore Orioles vs. Texas Rangers on PolyGram
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