Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
64% | 36% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
64% | 36% | 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 |
|---|---|
| Any Player Ultra Kill | 64% |
| Game 1 Winner | 61% |
| Match Winner | 61% |
| Total Kills Over/Under 55.5 in Game 3? | 60% |
| Any Player Rampage | 60% |
| Game 2 Winner | 57% |
| Both Teams Destroy Barracks | 54% |
| Ends in Daytime | 53% |
| Ends in Daytime | 53% |
| Ends in Daytime | 53% |
| O/U 2.5 Games | 50% |
| First Blood in Game 1? | 50% |
| First Blood in Game 2? | 50% |
| First Blood in Game 3? | 50% |
| Both Teams Beat Roshan | 50% |
| Total Kills Over/Under 55.5 in Game 1? | 47% |
| Total Kills Over/Under 55.5 in Game 2? | 47% |
| Both Teams Beat Roshan | 37% |
| Both Teams Beat Roshan | 37% |
| Game Handicap: VSN (-1.5) vs Team Spirit (+1.5) | 34% |
| Any Player Ultra Kill | 28% |
| Any Player Ultra Kill | 28% |
| Both Teams Destroy Barracks | 27% |
| Both Teams Destroy Barracks | 27% |
| Any Player Rampage | 11% |
| Any Player Rampage | 8% |
Market context
TEAM VISION and Team Spirit meet in Round 4 of The International 2026 group stage on 15 August, with the match scheduled for 1:00 AM ET. The fixture carries significant weight in determining seeding for the knockout phase, as both teams will be competing for positioning amongst the tournament's strongest rosters. Team Spirit enters as the higher-seeded side based on recent Dota Pro League performances, whilst TEAM VISION qualified through the regional qualifiers and has shown inconsistent results in warm-up fixtures.
Historical precedent suggests that Spirit's experience at The International—the team has reached multiple finals and won the tournament in 2021—typically translates to stronger group-stage performances against less-established opponents. However, TEAM VISION's qualification path indicates they possess sufficient depth to compete; upsets in International group stages occur at roughly 35–40% frequency when the lower-seeded team has secured direct qualification. The current 61% implied probability for TEAM VISION victory appears to price in underdog value, though it contradicts Spirit's historical advantage in such matchups.
Traders should monitor roster confirmations through to the settlement window, particularly any last-minute coaching adjustments or player absences announced by either organisation. The 14-day postponement window (through 29 August) creates scheduling risk; if either team faces visa delays or equipment issues common at international tournaments, rescheduling could affect preparation quality. Recent reports from esports journalists covering the tournament indicate both squads completed their final scrimmages without incident, reducing the likelihood of cancellation or tie scenarios that would trigger 50-50 resolution.
Methodology
Sports-specific comparison page for Dota 2: TEAM VISION vs Team Spirit (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
- 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.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- 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%.
Trade Dota 2: TEAM VISION vs Team Spirit (BO3) - The Inter… on Sport Prediction
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