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 2 Winner | 100% |
| O/U 2.5 Games | 100% |
| Map 3 Rounds Handicap: Keyd (-3.5) vs paiN Academy (+3.5) | 100% |
| Map 1 Rounds Handicap: Keyd (-3.5) vs paiN Academy (+3.5) | 100% |
| Map 1 Rounds Handicap: Keyd (-6.5) vs paiN Academy (+6.5) | 100% |
| Map 2 Rounds Handicap: paiN Academy (-3.5) vs Keyd (+3.5) | 100% |
| Map 3 Rounds Handicap: Keyd (-6.5) vs paiN Academy (+6.5) | 55% |
| Map 3 Total Rounds: Over/Under 24.5 | 45% |
| Map 3 Rounds Handicap: Keyd (-9.5) vs paiN Academy (+9.5) | 45% |
| Map 3 Total Rounds: Over/Under 21.5 | 25% |
| Map 1 Winner | 0% |
| Match Winner | 0% |
| Map Handicap: Keyd (-1.5) vs paiN Academy (+1.5) | 0% |
| Map 1 Total Rounds: Over/Under 21.5 | 0% |
| Map 2 Rounds Handicap: Keyd (-3.5) vs paiN Academy (+3.5) | 0% |
| Map 2 Total Rounds: Over/Under 21.5 | 0% |
| Map 1 Total Rounds: Over/Under 24.5 | 0% |
| Map Handicap: paiN.A (-1.5) vs Keyd (+1.5) | 0% |
| Map 1 Rounds Handicap: paiN Academy (-6.5) vs Keyd (+6.5) | 0% |
| Map 1 Rounds Handicap: paiN Academy (-3.5) vs Keyd (+3.5) | 0% |
| Map 2 Total Rounds: Over/Under 24.5 | 0% |
| Map 2 Rounds Handicap: Keyd (-6.5) vs paiN Academy (+6.5) | 0% |
Market context
paiN Academy and Keyd are scheduled to meet in Round 5 of the BetBoom Storm Group Stage on 10 August at 21:00 UTC. The match format is best-of-three, with settlement occurring by 02:10 UTC on 11 August. The 0% implied probability reflects either extreme confidence in one outcome or insufficient liquidity depth on the book; such asymmetries often signal either mispricing or thin order flow typical of niche esports matchups settling in USDC.
Historical precedent for Brazilian Counter-Strike academy teams shows high volatility in group-stage outcomes. paiN Academy, the developmental roster, typically faces structural disadvantages against established squads like Keyd, yet upsets occur frequently enough that 0% probabilities rarely hold through to settlement. Previous BetBoom events have seen academy sides pull unexpected victories when facing fatigue or roster changes in their opponents. The absence of recent head-to-head data between these specific lineups compounds uncertainty; traders should examine whether either team has published roster confirmations or scrim results in the 48 hours prior to kickoff.
Match cancellation or delay beyond 7 days triggers a 50-50 resolution, a material tail risk given infrastructure dependencies in South American esports broadcasts. Monitor BetBoom's official schedule and both organisations' social channels for postponement announcements. Funding conditions on crypto derivatives markets remain elevated; if BTC or ETH experience sharp liquidation cascades in the hours before match start, liquidity on this market may contract further, widening spreads and potentially leaving traders unable to exit positions at fair value.
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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