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% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Map 1 Rounds Handicap: BC.Game Esports (-3.5) vs BASEMENT BOYS (+3.5) | 91% |
| Map 2 Total Rounds: Over/Under 21.5 | 91% |
| Map 2 Total Rounds: Over/Under 18.5 | 91% |
| Map 3 Rounds Handicap: BC.Game Esports (-6.5) vs BASEMENT BOYS (+6.5) | 90% |
| Map 3 Rounds Handicap: BC.Game Esports (-9.5) vs BASEMENT BOYS (+9.5) | 90% |
| Map 3 Total Rounds: Over/Under 18.5 | 50% |
| Map 1 Rounds Handicap: BC.Game Esports (-6.5) vs BASEMENT BOYS (+6.5) | 10% |
| Map 2 Rounds Handicap: BC.Game Esports (-3.5) vs BASEMENT BOYS (+3.5) | 10% |
| Map 3 Total Rounds: Over/Under 21.5 | 10% |
| Map 1 Total Rounds: Over/Under 21.5 | 10% |
| Map 1 Rounds Handicap: BC.Game Esports (-9.5) vs BASEMENT BOYS (+9.5) | 10% |
| Map 1 Total Rounds: Over/Under 24.5 | 10% |
| Map 2 Total Rounds: Over/Under 24.5 | 10% |
| Map 2 Total Rounds: Over/Under 27.5 | 10% |
| Map 3 Total Rounds: Over/Under 24.5 | 10% |
| Map 3 Rounds Handicap: BC.Game Esports (-12.5) vs BASEMENT BOYS (+12.5) | 10% |
| Map 2 Rounds Handicap: BC.Game Esports (-9.5) vs BASEMENT BOYS (+9.5) | 9% |
| Map 2 Winner | 0% |
| Map Handicap: BCG (-1.5) vs BASEMENT BOYS (+1.5) | 0% |
| Map 2 Rounds Handicap: BC.Game Esports (-6.5) vs BASEMENT BOYS (+6.5) | 0% |
Market context
BC.Game Esports are scheduled to play BASEMENT BOYS in a best-of-three opening match from Esports World Cup Open Qualifier Group 6, and the market is effectively pricing in a BC.Game win already. Live match listings and preview pages show BC.Game as a heavy favourite, with pre-match odds around 1.05–1.07 versus roughly 6.7–8.0 for BASEMENT BOYS, which is consistent with the 100% crowd-implied Yes line but still leaves some execution risk if the series has not started or is disrupted.[1][2][3][7][17]
The clearest historical frame is BC.Game’s recent form and roster strength rather than head-to-head data, because multiple listings note no previous meetings on record. Polymarket’s own event page highlights BC.Game’s rebuilt roster and prior title run as the basis for the favourite status, while community and bookmaker-style previews mostly expect a 2-0 outcome.[3][8][15] In market terms, that means the contract is less about *who is stronger on paper* and more about whether the scheduled BO3 is actually completed before the settlement deadline, since a cancellation, tie, or delay beyond seven days would force a 50-50 result under the rules.[1]
The main catalysts to watch are straightforward: whether the match starts on time, whether the organiser keeps the Group 6 bracket intact, and whether any late schedule changes ripple through the qualifier slate. Tournament schedules across CS2 coverage still place this fixture in the 12:00 UTC window for 7 August, but several listings also show live-status or pre-start language, which matters because prediction-market settlement depends on the match being officially played to completion.[9][11][13][16] For broader crypto context, the 100% Yes price is effectively a USDC-denominated event bet, so in practice the position is driven more by event realisation risk than by BTC or ETH spot moves unless a wider market shock affects exchange liquidity or platform activity.
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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