Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
31% | 69% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
31% | 69% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| RCD Espanyol de Barcelona 2 - 0 Levante UD | 31% |
| RCD Espanyol de Barcelona 3 - 0 Levante UD | 23% |
| RCD Espanyol de Barcelona 3 - 1 Levante UD | 23% |
| RCD Espanyol de Barcelona 2 - 1 Levante UD | 12% |
| Any Other Score | 12% |
| RCD Espanyol de Barcelona 2 - 2 Levante UD | 11% |
| RCD Espanyol de Barcelona 3 - 2 Levante UD | 11% |
| RCD Espanyol de Barcelona 2 - 3 Levante UD | 6% |
| RCD Espanyol de Barcelona 3 - 3 Levante UD | 1% |
| RCD Espanyol de Barcelona 0 - 0 Levante UD | 0% |
| RCD Espanyol de Barcelona 0 - 1 Levante UD | 0% |
| RCD Espanyol de Barcelona 1 - 0 Levante UD | 0% |
| RCD Espanyol de Barcelona 0 - 2 Levante UD | 0% |
| RCD Espanyol de Barcelona 1 - 1 Levante UD | 0% |
| RCD Espanyol de Barcelona 0 - 3 Levante UD | 0% |
| RCD Espanyol de Barcelona 1 - 2 Levante UD | 0% |
| RCD Espanyol de Barcelona 1 - 3 Levante UD | 0% |
Market context
Polymarket is marking this exact-score contract at 0% YES, so the market is effectively pricing out every listed scoreline and leaving only a residual path into the unnamed catch-all outcome. For a Polygon-based market settled in USDC via conditional tokens, that kind of print usually means the order book is thin or stale rather than a clean statement about the match itself, especially with the settlement window closing at 17:00Z and the game scheduled for the afternoon in Cornella de Llobregat.
The closest read-through comes from comparable opening-day La Liga fixtures between mid-table sides: exact-score markets tend to cluster around low totals and narrow margins, while the “any other score” bucket can absorb awkward combinations such as 3-2, 4-1, or an unlisted drawline. Recent previews have the match at RCDE Stadium as Espanyol’s first home game of the season, with broadcast listings and match feeds aligning on a 16 August kick-off and no obvious pre-match disruption in the available fixtures data. The last listed meeting between the sides finished 0-0, which is the kind of result that often drags attention towards low-score exacts rather than expansive scorelines.
For traders, the practical catalysts are straightforward: confirmed line-ups, any late injury or suspension news, and any schedule shift that changes the settlement clock against the market’s expiry. Because this contract resolves only on the 90-minute score plus stoppage time, red-card effects, early substitutions, and stoppage-time goals matter more than extra-time narratives, which do not count here. In a tokenised market like this, the main risk is not just the football, but whether the event proceeds on time and whether the listed score outcomes match the final result exactly.
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
- 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 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%.
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