Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| RCD Espanyol de Barcelona O/U 0.5 | 100% |
| RCD Espanyol de Barcelona O/U 1.5 | 100% |
| RCD Espanyol de Barcelona 1st Half O/U 0.5 | 100% |
| RCD Espanyol de Barcelona 1st Half O/U 1.5 | 100% |
| O/U 2.5 | 75% |
| RCD Espanyol de Barcelona (-1.5) | 72% |
| RCD Espanyol de Barcelona O/U 2.5 | 52% |
| 2nd Half O/U 0.5 | 50% |
| RCD Espanyol de Barcelona 2nd Half O/U 0.5 | 50% |
| RCD Espanyol de Barcelona 2nd Half O/U 1.5 | 50% |
| Levante UD 2nd Half O/U 0.5 | 50% |
| Levante UD 2nd Half O/U 1.5 | 50% |
| Both Teams to Score | 48% |
| Levante UD O/U 0.5 | 48% |
| 2nd Half O/U 2.5 | 48% |
| 2nd Half O/U 1.5 | 42% |
| O/U 3.5 | 40% |
| RCD Espanyol de Barcelona (-2.5) | 34% |
| Both Teams to Score in Second Half | 26% |
| O/U 4.5 | 16% |
| Levante UD O/U 1.5 | 14% |
| O/U 5.5 | 5% |
| Levante UD O/U 2.5 | 2% |
| 1st Half O/U 2.5 | 1% |
| Levante UD 1st Half O/U 0.5 | 1% |
| Levante UD (-1.5) | 0% |
| Levante UD (-2.5) | 0% |
| Both Teams to Score in First Half | 0% |
| Levante UD 1st Half O/U 1.5 | 0% |
Market context
RCD Espanyol will host Levante UD on 16 August 2026 in a La Liga fixture scheduled for 13:00 ET. The market in question settles on USDC at the conclusion of the match, with the current crowd-implied probability of 21% YES suggesting traders view the outcome as unlikely under the stated conditions. Settlement occurs at 17:00 UTC the same day, allowing for standard post-match verification and blockchain confirmation within the typical four-hour window.
Espanyol's recent competitive standing provides useful historical context. The club has oscillated between La Liga and Segunda División over the past decade, with promotion and relegation cycles affecting squad depth and fixture difficulty. Levante, similarly, has experienced volatility in league status. When both clubs meet in the top flight, historical head-to-head records show competitive matches with no pronounced home advantage; Espanyol's Cornellà-El Prat stadium has hosted mixed results against mid-table and lower-ranked opponents. The 21% probability reflects either a specific market condition—such as injury news, recent form, or betting exchange spot prices on traditional sportsbooks—rather than a structural undervaluation of Espanyol's chances.
Key catalysts include team news releases through 15 August, official La Liga fixture confirmations, and any late squad announcements affecting either side. Funding rates on perpetual contracts tied to sports outcomes may shift if macro volatility in BTC or ETH creates liquidity constraints, though direct correlation remains weak for single-match La Liga events. Traders should monitor Espanyol's pre-season performance and any roster changes announced before the settlement window closes.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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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