Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
96% | 4% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
96% | 4% | 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 | 96% |
| FK Bodø/Glimt O/U 0.5 | 89% |
| O/U 1.5 | 84% |
| 2nd Half O/U 0.5 | 84% |
| 1st Half O/U 0.5 | 76% |
| Team to Advance | 72% |
| RU Saint-Gilloise O/U 0.5 | 69% |
| FK Bodø/Glimt 2nd Half O/U 0.5 | 69% |
| O/U 2.5 | 62% |
| FK Bodø/Glimt 1st Half O/U 0.5 | 62% |
| Both Teams to Score | 61% |
| FK Bodø/Glimt O/U 1.5 | 61% |
| 2nd Half O/U 1.5 | 56% |
| RU Saint-Gilloise 2nd Half O/U 0.5 | 48% |
| 1st Half O/U 1.5 | 43% |
| RU Saint-Gilloise 1st Half O/U 0.5 | 40% |
| O/U 3.5 | 39% |
| FK Bodø/Glimt (-1.5) | 35% |
| FK Bodø/Glimt O/U 2.5 | 33% |
| Both Teams to Score in Second Half | 33% |
| RU Saint-Gilloise O/U 1.5 | 32% |
| FK Bodø/Glimt 2nd Half O/U 1.5 | 31% |
| 2nd Half O/U 2.5 | 26% |
| Both Teams to Score in First Half | 25% |
| FK Bodø/Glimt 1st Half O/U 1.5 | 23% |
| O/U 4.5 | 22% |
| FK Bodø/Glimt (-2.5) | 18% |
| 1st Half O/U 2.5 | 17% |
| RU Saint-Gilloise 2nd Half O/U 1.5 | 14% |
| O/U 5.5 | 11% |
| RU Saint-Gilloise O/U 2.5 | 11% |
| RU Saint-Gilloise 1st Half O/U 1.5 | 9% |
| RU Saint-Gilloise (-1.5) | 8% |
| RU Saint-Gilloise (-2.5) | 2% |
Market context
FK Bodø/Glimt, the Norwegian champions, face Belgian side Union Saint-Gilloise in a UEFA Champions League qualifier on 11 August at 12:00 PM ET. This is a two-legged tie; the first leg precedes the settlement window close at 16:00 UTC. The market implies a 35% probability for additional markets to be offered beyond standard match outcomes, suggesting traders expect either limited demand for exotic props or uncertainty around what secondary markets the exchange will list post-match.
Bodø/Glimt reached the group stage in 2021–22 but have since struggled in European competition, whilst Union Saint-Gilloise qualified for the Champions League proper last season after a Belgian league title. Historical precedent shows that qualifying-round matches between Nordic and Belgian clubs rarely generate extensive derivative markets; most liquidity concentrates on outright winner and goal-total contracts. The 35% probability reflects a baseline expectation that this fixture will follow that pattern, with traders pricing in lower-than-average secondary market depth compared to group-stage or knockout encounters.
Key catalysts include team news releases and official UEFA fixture confirmations, which typically arrive 48–72 hours before kick-off. Bodø/Glimt's injury status and any late tactical shifts could shift market sentiment. On-chain settlement in USDC will depend on reliable match data feeds; any delays in official result confirmation could extend the window beyond the stated 16:00 UTC deadline. Macro crypto conditions—particularly BTC and ETH spot volatility—may influence trader participation in lower-liquidity secondary markets, as capital often rotates toward higher-conviction positions during broader market swings.
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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