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 |
|---|---|
| Map 1 Winner | 56% |
| Match Winner | 56% |
| Map 2 Winner | 51% |
| Map 1 Total Rounds: Over/Under 21.5 | 51% |
| Map 2 Total Rounds: Over/Under 21.5 | 50% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| O/U 2.5 Games | 49% |
| Map 3 Rounds Handicap: Vitality (-3.5) vs Spirit (+3.5) | 42% |
| Map 1 Rounds Handicap: Vitality (-3.5) vs Spirit (+3.5) | 37% |
| Map 2 Rounds Handicap: Vitality (-3.5) vs Spirit (+3.5) | 34% |
| Map Handicap: VIT (-1.5) vs Spirit (+1.5) | 30% |
Market context
Vitality and Spirit meet in the Esports World Cup quarter-finals after both survived shakier paths than their reputations suggest, which helps explain why the market is only modestly pricing Vitality at 56%. Vitality were upset by B8 in the group stage before recovering to beat Lynn Vision, while Spirit also dropped an opener to JiJieHao before regrouping to advance; both then took clean 2-0 wins in the last round, with Vitality beating FaZe and Spirit beating B8. Recent bracket coverage also put both teams in the same half as Falcons, a layout that reduces margin for error and makes every map edge more valuable.
For comparison, Vitality have still held the stronger recent head-to-head record against Spirit in CS2, with one market preview citing an 11-4 series lead and four straight wins in the past year. That kind of history supports a slight favourite rather than a heavy one, especially in a best-of-three where veto quality and pistol rounds can swing the result quickly. Spirit’s higher ranking and steadier season-long output keep them live, but the recent group-stage wobble from both sides makes this closer to a coin-flip than the numbers attached to either team’s name alone.
The main trader watch-points are simple: final line-ups, any late medical or roster news, and whether the match stays on the published schedule. The bracket and timing had Vitality vs Spirit slotted for 21 August, with the wider playoffs running through 23 August, and the market only resolves cleanly if the game is actually played before the deadline window closes. Any postponement, reschedule or format change would matter immediately, especially if it pushes beyond the settlement cut-off or alters the quarter-final order.
Methodology
Sports-specific comparison page for Counter-Strike: Vitality vs Spirit (BO3) - Esports World Cup 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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