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 |
|---|---|
| FK Crvena zvezda (-1.5) | 100% |
| FK Crvena zvezda (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| FK Crvena zvezda O/U 0.5 | 100% |
| FK Crvena zvezda O/U 1.5 | 100% |
| FK Crvena zvezda O/U 2.5 | 100% |
| FK Crvena zvezda 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| FK Crvena zvezda 2nd Half O/U 0.5 | 100% |
| FK Crvena zvezda 2nd Half O/U 1.5 | 100% |
| FC Viktoria Plzeň (-1.5) | 0% |
| FC Viktoria Plzeň (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| FC Viktoria Plzeň O/U 0.5 | 0% |
| FC Viktoria Plzeň O/U 1.5 | 0% |
| FC Viktoria Plzeň O/U 2.5 | 0% |
| FK Crvena zvezda 1st Half O/U 1.5 | 0% |
| FC Viktoria Plzeň 1st Half O/U 0.5 | 0% |
| FC Viktoria Plzeň 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| FC Viktoria Plzeň 2nd Half O/U 0.5 | 0% |
| FC Viktoria Plzeň 2nd Half O/U 1.5 | 0% |
Market context
FK Crvena zvezda will face FC Viktoria Plzeň in a UEFA Europa League qualifying round match on 20 August at 2:00 PM ET. The fixture represents a preliminary stage in Europe's second-tier club competition, with the winner advancing further into the tournament structure. Settlement occurs at 18:00 UTC on the same day, allowing traders a narrow window between kick-off and contract closure to assess outcomes and react to live developments.
The 100% implied probability reflects the market's current consensus that additional markets—beyond standard match outcomes—will materialise for this fixture. Historical precedent suggests UEFA Europa League qualifying matches consistently generate secondary betting markets (first goalscorer, correct score, both teams to score) across major sportsbooks and on-chain platforms. Comparable August qualifying fixtures have typically seen such derivative markets listed within hours of primary market settlement, particularly when involving clubs of Crvena zvezda's continental profile. The certainty baked into current odds suggests traders view the availability of supplementary markets as near-certain rather than contingent.
Catalysts centre on UEFA's official fixture confirmation and broadcast scheduling, which determine whether secondary markets justify operational costs for market creators. Crvena zvezda's recent European campaign activity and Plzeň's domestic standing will influence liquidity depth once markets open. USDC settlement mechanics on btc-prediction.bet mean traders should monitor whether funding rates on correlated assets shift ahead of the 18:00 UTC deadline, as whale positioning occasionally signals confidence in market availability before public announcement.
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.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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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