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 |
|---|---|
| Map 1 Winner | 100% |
| Map 2 Winner | 100% |
| Match Winner | 100% |
| Map Handicap: SAW (-1.5) vs Esport Academy Copenhagen (+1.5) | 100% |
| Map 1 Total Rounds: Over/Under 21.5 | 100% |
| Map 1 Rounds Handicap: SAW (-3.5) vs Esport Academy Copenhagen (+3.5) | 100% |
| Map 2 Total Rounds: Over/Under 21.5 | 90% |
| Map 3 Total Rounds: Over/Under 21.5 | 52% |
| Map 2 Total Rounds: Over/Under 24.5 | 10% |
| Map 2 Rounds Handicap: SAW (-3.5) vs Esport Academy Copenhagen (+3.5) | 10% |
| Map 2 Rounds Handicap: SAW (-6.5) vs Esport Academy Copenhagen (+6.5) | 10% |
| Map 2 Rounds Handicap: Esport Academy Copenhagen (-3.5) vs SAW (+3.5) | 10% |
| Map 2 Rounds Handicap: Esport Academy Copenhagen (-6.5) vs SAW (+6.5) | 10% |
| O/U 2.5 Games | 0% |
| Map 1 Rounds Handicap: SAW (-6.5) vs Esport Academy Copenhagen (+6.5) | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map 1 Rounds Handicap: SAW (-9.5) vs Esport Academy Copenhagen (+9.5) | 0% |
Market context
SAW’s Counter-Strike meeting with Esport Academy Copenhagen in Esports World Cup Open Qualifier Group 3 has already been priced as a near-certain SAW win, and that lines up with both the live market and pre-match trading. Robinhood showed SAW at 65¢ against 37¢ for Esport Academy Copenhagen before settlement, while several match pages listed SAW as the favourite in a BO3 format; one post-match result page later recorded SAW winning 2-0, which is consistent with the crowd’s 100% YES reading but is only relevant if the contract is still open to that result at settlement.[17][4][16][11]
For context, this is the kind of esports contract where probability can become binary quickly once a series is underway, because a completed BO3 leaves little room for ambiguity in the on-chain resolution path. The market also has a fallback to 50-50 if the match is cancelled, ends in a tie, or is delayed beyond seven days without a winner, so the key risk is not just which team is stronger but whether the fixture is actually completed inside the settlement window. Similar prediction markets on organised CS2 qualifiers often gap hard towards the favourite when bracket pages, score trackers, and bookmaker-style odds all point the same way.[10][4][17]
Traders should watch for any schedule changes around the qualifier, stream listings, or tournament admin updates, because the market resolves from the match outcome rather than implied strength. Sofascore and BO3.gg both carried the fixture as a Group 3 BO3 on 8 August, while some listing pages displayed inconsistent UTC times, which matters because a start-time change can affect whether the contract resolves normally or falls into a cancellation/delay edge case.[1][2][14] On the crypto side, settlement is denominated in USDC, so broader BTC or ETH moves matter only indirectly through venue liquidity and risk appetite, not through the event’s outcome itself.
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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