Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
90% | 10% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Ends in Daytime | 90% |
| Total Kills Over/Under 50.5 in Game 2? | 60% |
| Total Kills Over/Under 35.5 in Game 2? | 51% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Ends in Daytime | 50% |
| Both Teams Beat Roshan | 50% |
| Both Teams Destroy Barracks | 50% |
| Any Player Ultra Kill | 50% |
| Any Player Rampage | 50% |
| Game Handicap: GL (-1.5) vs Xtreme Gaming (+1.5) | 50% |
| Total Kills Over/Under 55.5 in Game 2? | 50% |
| Total Kills Over/Under 45.5 in Game 2? | 50% |
| Total Kills Over/Under 40.5 in Game 2? | 50% |
| First Blood in Game 2? | 49% |
| O/U 2.5 Games | 47% |
| Both Teams Beat Roshan | 10% |
| Both Teams Destroy Barracks | 10% |
| Any Player Ultra Kill | 10% |
| Any Player Rampage | 10% |
| First Blood in Game 1? | 10% |
| Game 2 Winner | 1% |
| Match Winner | 1% |
| Game 1 Winner | 0% |
| Game Handicap: Xtreme (-1.5) vs GamerLegion (+1.5) | 0% |
| Total Kills Over/Under 50.5 in Game 1? | 0% |
| Total Kills Over/Under 55.5 in Game 1? | 0% |
| Total Kills Over/Under 45.5 in Game 1? | 0% |
| Total Kills Over/Under 40.5 in Game 1? | 0% |
Market context
Xtreme Gaming and GamerLegion will meet in a best-of-three elimination match during The International 2026 group stage on 13 August at 22:00 ET. Both teams qualified through regional qualifiers; Xtreme Gaming secured their spot from the Chinese region whilst GamerLegion advanced from Europe. The fixture carries immediate stakes, as a loss could eliminate either side depending on their performance in preceding matches and the group's overall structure.
The 0% implied probability reflects genuine uncertainty about match completion rather than a settled forecast on the outcome. The International's group stage has historically experienced scheduling delays and technical complications, particularly when accommodating multiple time zones across simultaneous matches. The 7-day postponement window creates a material risk that the match could be rescheduled beyond the settlement deadline, triggering a 50-50 resolution. Dota 2's patch cycles and last-minute roster changes have occasionally forced match delays at The International; the 2023 edition saw several group-stage fixtures pushed back by 24–48 hours.
Traders should monitor official The International communications for any announcement regarding venue issues, server problems, or roster eligibility challenges in the days preceding 13 August. Recent reporting from esports journalists covering The International qualifiers has highlighted travel complications for some European teams, which could affect GamerLegion's preparation timeline. Xtreme Gaming's recent form in Chinese regional competitions and any coaching staff changes should be tracked through official team announcements. The match's actual occurrence remains the primary variable at this probability level; settlement hinges on whether both teams arrive and the match proceeds within the scheduled window.
Methodology
Sports-specific comparison page for Dota 2: Xtreme Gaming vs GamerLegion (BO3) - The International Group Stage. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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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