Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
56% | 44% | 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 |
|---|---|
| Total Kills Over/Under 50.5 in Game 1? | 56% |
| Total Kills Over/Under 50.5 in Game 2? | 55% |
| Ends in Daytime | 53% |
| Ends in Daytime | 53% |
| Ends in Daytime | 52% |
| First Blood in Game 2? | 49% |
| First Blood in Game 1? | 49% |
| O/U 2.5 Games | 48% |
| Total Kills Over/Under 55.5 in Game 1? | 43% |
| Total Kills Over/Under 55.5 in Game 2? | 42% |
| Game Handicap: VSN (-1.5) vs Team Spirit (+1.5) | 38% |
| Game 1 Winner | 37% |
| Game 2 Winner | 37% |
| Both Teams Beat Roshan | 37% |
| Both Teams Beat Roshan | 37% |
| Both Teams Beat Roshan | 36% |
| Both Teams Destroy Barracks | 35% |
| Any Player Ultra Kill | 35% |
| Match Winner | 32% |
| Any Player Ultra Kill | 32% |
| Any Player Ultra Kill | 30% |
| Both Teams Destroy Barracks | 27% |
| Both Teams Destroy Barracks | 27% |
| Any Player Rampage | 20% |
| Any Player Rampage | 20% |
| Any Player Rampage | 19% |
Market context
Team Spirit enter this upper-bracket semi-final after a strong TI 2026 run, including wins over Team Liquid and Team Resilience, and they also beat Aurora Gaming 2-0 to stay unbeaten in the group stage[5][8][9]. Their line-up for this event has been stable around Yatoro, Larl, Collapse, Not Me and rue, with no recent public change in the core five from the event listings and roster pages[3][4][12].
TEAM VISION have been equally sharp, reaching the playoffs first and arriving with a perfect group-stage record that included a 2-0 over Team Spirit earlier in the event[7][12][15]. That head-to-head matters for reading the current 37% YES price: it suggests the market is not pricing Spirit as a clear favourite, despite Spirit’s stronger recent closing form, because TEAM VISION have already shown they can win the exact match-up and have been one of the tournament’s most consistent sides[11][12][15].
For traders, the main catalysts are simple: confirm the match starts before the settlement deadline and watch for any bracket or schedule changes around the listed 21 August slot[11]. Any late roster or coach update would matter more than usual in a Bo3, but the available event pages show both teams fielding the same tournament cores, so the market is likely to move most on timing, map veto edge and whether TEAM VISION’s earlier win is treated as a durable signal or a one-off in a short series[3][4][11][12].
Methodology
Sports-specific comparison page for Dota 2: Team Spirit vs TEAM VISION (BO3) - The International Playoffs. 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
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- 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.
- 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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