Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| NRFI | 100% |
| 1st 5 Innings O/U 3.5 | 77% |
| 1st 5 Innings O/U 4.5 | 73% |
| 1st 5 Innings O/U 2.5 | 64% |
| 1st 5 Innings O/U 5.5 | 64% |
| 1st 5 Innings O/U 6.5 | 61% |
| O/U 8.5 | 60% |
| 1st 5 Innings Spread -1.5 | 50% |
| O/U 9.5 | 49% |
| Extra Innings | 46% |
| Los Angeles Angels vs. Miami Marlins | 45% |
| 1st 5 Innings Spread -1.5 | 43% |
| O/U 10.5 | 41% |
| Spread -1.5 | 37% |
| Spread -1.5 | 33% |
| Spread -2.5 | 28% |
| Spread -2.5 | 23% |
Market context
Polymarket is pricing the Angels at **45%** to win this USDC-denominated, Polygon-settled contract, so the market is leaning slightly towards Miami but not strongly enough to make either side a clear favourite. On-chain, the position is binary in the normal case: holders of the winning outcome’s conditional tokens receive the payout when the official result is recognised, while a postponement keeps the market open until the game is completed, and a cancelled game or tie resolves 50-50.
That price sits in the middle of a fairly mixed form book. ESPN lists Miami as a modest moneyline favourite at **-142**, with the Marlins **58-58** overall and **34-23 at home**, while the Angels are **44-71** and **19-38 away**.[1] Recent results also point in opposite directions: Los Angeles snapped a short skid with a **4-1** win in Baltimore, whereas Miami has just dropped three straight in Atlanta after a strong two-game run in New York.[1][3] Comparable market data mirrors that split, with some books and model pages shading towards Miami while others still treat the matchup as competitive rather than one-sided.[2][9][10]
For traders, the main catalysts are the actual line-up and any late pitching or schedule changes, because a doubleheader, rain delay, or scratch can materially affect both the win probability and the settlement path. ESPN’s series listing shows this is the first game of a three-game set, so any postponement would push resolution into the rest of the weekend rather than force an immediate close.[4] With the market priced near coin-flip territory, late team news and confirmed start times matter more than broad season records.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $426K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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 Los Angeles Angels vs. Miami Marlins on PolyGram
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