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 |
|---|---|
| Game 1 Winner | 100% |
| Game 2 Winner | 100% |
| Match Winner | 100% |
| Game Handicap: TR (-1.5) vs Xtreme Gaming (+1.5) | 100% |
| First Blood in Game 2? | 90% |
| Ends in Daytime | 90% |
| Total Kills Over/Under 45.5 in Game 2? | 90% |
| First Blood in Game 3? | 50% |
| Total Kills Over/Under 55.5 in Game 3? | 50% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Both Teams Destroy Barracks | 10% |
| Ends in Daytime | 10% |
| Both Teams Beat Roshan | 10% |
| Both Teams Destroy Barracks | 10% |
| Any Player Ultra Kill | 10% |
| Both Teams Beat Roshan | 1% |
| Any Player Ultra Kill | 1% |
| Any Player Rampage | 1% |
| Total Kills Over/Under 50.5 in Game 2? | 1% |
| Total Kills Over/Under 60.5 in Game 2? | 1% |
| Total Kills Over/Under 65.5 in Game 2? | 1% |
| O/U 2.5 Games | 0% |
| Game Handicap: Xtreme (-1.5) vs Team Resilience (+1.5) | 0% |
| First Blood in Game 1? | 0% |
| Total Kills Over/Under 55.5 in Game 1? | 0% |
| Total Kills Over/Under 55.5 in Game 2? | 0% |
| Any Player Rampage | 0% |
| Total Kills Over/Under 60.5 in Game 1? | 0% |
| Total Kills Over/Under 50.5 in Game 1? | 0% |
| Total Kills Over/Under 45.5 in Game 1? | 0% |
Market context
Team Resilience face Xtreme Gaming in a best-of-three Dota 2 fixture during The International's group stage on 15 August 2026, with settlement in USDC occurring within hours of match completion. The 5:30 AM ET start time places the match in a low-liquidity window for Western traders, though crypto markets operate continuously; BTC and ETH spot prices often exhibit reduced volatility during Asian trading hours, which may correlate with lower on-chain activity around settlement.
Historical precedent from The International group stages shows that matches scheduled across time zones rarely face cancellation unless infrastructure failures occur at the venue itself. Team Resilience and Xtreme Gaming have both competed in recent Dota Pro League seasons, with fixture completion rates exceeding 98% when scheduled. The 100% implied probability reflects high confidence in match execution rather than a directional prediction on outcome; group stage matches are contractually binding and rescheduled only under exceptional circumstances, with the 15 August deadline providing a two-week buffer before the 29 August postponement cutoff.
Traders should monitor official The International broadcast schedules and team roster announcements through the event's ticketing portal and Valve's Dota 2 website in the week preceding the match. Visa delays, equipment transport issues, or venue access problems have historically triggered postponements in esports tournaments; these remain the primary settlement risks. Funding rates on perpetual futures contracts tracking esports betting volumes may shift if major roster changes surface, though such announcements typically occur weeks in advance of group play.
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.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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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