Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
78% | 22% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
78% | 22% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live 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 | 64% |
| O/U 7.5 | 56% |
| NRFI | 53% |
| 1st 5 Innings O/U 4.5 | 52% |
| O/U 8.5 | 50% |
| Los Angeles Angels vs. Miami Marlins | 43% |
| Spread -1.5 | 40% |
| 1st 5 Innings O/U 5.5 | 40% |
| O/U 9.5 | 39% |
| 1st 5 Innings Spread -1.5 | 34% |
| Spread -1.5 | 32% |
| Spread -2.5 | 30% |
| 1st 5 Innings O/U 6.5 | 28% |
| 1st 5 Innings Spread -1.5 | 24% |
| Spread -2.5 | 22% |
| Extra Innings | 9% |
Market context
The Los Angeles Angels and Miami Marlins are playing a series decider in Miami, with the market’s 43% YES price implying a modest Angels edge but not a clear favourite. That lines up with the live numbers and recent pricing: ESPN’s game page showed the Angels around 44.3% and the Marlins 55.7%, while pre-game moneylines in related listings sat near Marlins -138 to -146 and Angels +128 to +136, suggesting the contract is broadly in range with traditional betting markets rather than a strong mispricing.[1][18][4]
Recent form gives the Marlins the cleaner profile, even after the Angels took the opener. Miami won 7-0 on Saturday after losing 4-3 on Friday, and the series was level at 1-1 entering Sunday’s game.[2][5][8][9] Over the last 10 games, StatMuse had Miami at 5-5 with a .241 average and 2.93 ERA, while the Angels were 3-7 with a .197 average and 3.83 ERA, which helps explain why the market is not leaning heavily to Los Angeles despite the series split.[9]
For settlement, the key on-chain point is that the contract stays open if the game is postponed and only resolves once the official final result is recorded; a cancellation or tie would settle 50-50 under the rules. Traders watching USDC exposure on the venue should focus on whether the game completes as scheduled, because the main risk is not the matchup itself but a delay, suspension, or other scheduling change before the official final statistics are posted.[19]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $139K.
Methodology
This page reads Los Angeles Angels vs. Miami Marlins on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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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