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% |
| Both Teams to Score | 100% |
| Ilves Tampere O/U 0.5 | 100% |
| HNK Rijeka O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| Ilves Tampere 2nd Half O/U 0.5 | 100% |
| HNK Rijeka 2nd Half O/U 0.5 | 100% |
| Team to Advance | 0% |
| Ilves Tampere (-1.5) | 0% |
| HNK Rijeka (-1.5) | 0% |
| Ilves Tampere (-2.5) | 0% |
| HNK Rijeka (-2.5) | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Ilves Tampere O/U 1.5 | 0% |
| Ilves Tampere O/U 2.5 | 0% |
| HNK Rijeka O/U 1.5 | 0% |
| HNK Rijeka O/U 2.5 | 0% |
| Ilves Tampere 1st Half O/U 0.5 | 0% |
| Ilves Tampere 1st Half O/U 1.5 | 0% |
| HNK Rijeka 1st Half O/U 0.5 | 0% |
| HNK Rijeka 1st Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Ilves Tampere 2nd Half O/U 1.5 | 0% |
| HNK Rijeka 2nd Half O/U 1.5 | 0% |
Market context
Ilves Tampere, the Finnish top-flight side, faces HNK Rijeka of Croatia in a UEFA Europa Conference League qualifying match on 13 August at 12:00 PM ET. The fixture represents a preliminary round encounter where the aggregate winner advances deeper into European competition. Ilves qualified through the Finnish league system, whilst Rijeka secured their berth via the Croatian domestic pathway. Both clubs have limited recent European pedigree at this level, making form sheets and squad depth the primary differentiators in what amounts to a relatively balanced pairing on paper.
The 0% YES probability reflects minimal trading volume and settlement mechanics tied to USDC on-chain infrastructure, where low liquidity often produces extreme implied odds disconnected from actual match likelihood. Historical Conference League qualifying rounds between Nordic and Balkan representatives show competitive outcomes; Tampere's domestic dominance in Finland's Veikkausliiga does not necessarily translate to European knockout football, whilst Rijeka's Croatian league experience provides comparable competitive grounding. The current probability snapshot likely reflects order-book thinness rather than genuine market conviction about match outcome.
Traders should monitor team news releases and official UEFA fixture confirmations as the 13 August settlement window approaches. Injury bulletins, particularly regarding key attacking or defensive personnel, typically emerge 48–72 hours pre-match. Funding rates on related sports-betting derivative positions may shift if major sportsbooks adjust odds significantly, signalling material information flow. The match's first-leg status means aggregate scoring across two legs determines progression, a structural detail that may influence how on-chain positions accumulate ahead of the full tie conclusion.
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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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