Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 | 100% |
| Map 2 Winner | 100% |
| Match Winner | 100% |
| Map Handicap: NV (-1.5) vs Sentinels (+1.5) | 100% |
| Map 1 Total Rounds: Over/Under 22.5 | 98% |
| Map 1 Rounds Handicap: Team Envy (-2.5) vs Sentinels (+2.5) | 91% |
| Map 1 Total Rounds: Over/Under 21.5 | 90% |
| Map 1 Total Rounds: Over/Under 20.5 | 90% |
| Map 1 Total Rounds: Over/Under 19.5 | 90% |
| Map 1 Total Rounds: Over/Under 18.5 | 90% |
| Map 2 Rounds Handicap: Team Envy (-2.5) vs Sentinels (+2.5) | 90% |
| Map 2 Rounds Handicap: Team Envy (-3.5) vs Sentinels (+3.5) | 90% |
| Map 2 Rounds Handicap: Team Envy (-4.5) vs Sentinels (+4.5) | 90% |
| Map 2 Rounds Handicap: Team Envy (-6.5) vs Sentinels (+6.5) | 90% |
| Map 2 Rounds Handicap: Team Envy (-7.5) vs Sentinels (+7.5) | 90% |
| Map 2 Rounds Handicap: Team Envy (-5.5) vs Sentinels (+5.5) | 75% |
| Map 2 Total Rounds: Over/Under 15.5 | 56% |
| Map 2 Rounds Handicap: Team Envy (-9.5) vs Sentinels (+9.5) | 55% |
| Map 3 Rounds Handicap: Sentinels (-2.5) vs Team Envy (+2.5) | 50% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| Map 3 Total Rounds: Over/Under 20.5 | 50% |
| Map 3 Total Rounds: Over/Under 19.5 | 50% |
| Map 2 Rounds Handicap: Team Envy (-10.5) vs Sentinels (+10.5) | 45% |
| Map 2 Total Rounds: Over/Under 16.5 | 45% |
| Map 3 Total Rounds: Over/Under 22.5 | 26% |
| Map 2 Total Rounds: Over/Under 21.5 | 10% |
| Map 2 Total Rounds: Over/Under 20.5 | 10% |
| Map 2 Total Rounds: Over/Under 22.5 | 10% |
| Map 1 Rounds Handicap: Team Envy (-3.5) vs Sentinels (+3.5) | 10% |
| Map 1 Rounds Handicap: Team Envy (-4.5) vs Sentinels (+4.5) | 10% |
| Map 1 Total Rounds: Over/Under 23.5 | 10% |
| Map 1 Total Rounds: Over/Under 24.5 | 10% |
| Map 1 Total Rounds: Over/Under 25.5 | 10% |
| Map 2 Rounds Handicap: Sentinels (-3.5) vs Team Envy (+3.5) | 10% |
| Map 2 Total Rounds: Over/Under 19.5 | 10% |
| Map 2 Rounds Handicap: Sentinels (-4.5) vs Team Envy (+4.5) | 10% |
| Map 2 Total Rounds: Over/Under 18.5 | 10% |
| Map 2 Total Rounds: Over/Under 17.5 | 10% |
| Map 1 Rounds Handicap: Team Envy (-6.5) vs Sentinels (+6.5) | 9% |
| Map 1 Rounds Handicap: Team Envy (-5.5) vs Sentinels (+5.5) | 9% |
| O/U 2.5 Games | 0% |
| Map Handicap: SEN (-1.5) vs Team Envy (+1.5) | 0% |
| Map 1 Rounds Handicap: Sentinels (-2.5) vs Team Envy (+2.5) | 0% |
| Map 2 Rounds Handicap: Sentinels (-2.5) vs Team Envy (+2.5) | 0% |
Market context
Team Envy face Sentinels in the upper bracket round two of the VCT Americas Stage 2 Play-In on 15 August 2026, with the winner advancing and the loser dropping to the lower bracket. The best-of-three match is scheduled for 8:00 PM ET, with settlement contingent on completion by 29 August at 23:59 ET.
The 100% crowd probability reflects Sentinels' historical dominance in head-to-head matchups against Envy, though recent roster volatility complicates straightforward extrapolation. Sentinels have won the majority of their encounters over the past two years, establishing a pattern that markets typically anchor to absent material changes in team composition or form. However, the upper bracket positioning itself signals both teams cleared earlier play-in hurdles, meaning neither enters from a position of weakness. Historical precedent suggests markets price Sentinels as favourites, yet the extreme probability leaves minimal room for Envy's potential advantages—coaching adjustments, meta adaptation, or individual player performance variance.
Traders should monitor roster confirmations through the settlement window, particularly any last-minute substitutions or coaching staff changes reported by VCT beat reporters. Sentinels' recent scrim results and stage performance leading into the play-in will indicate whether their form has sustained or deteriorated. Similarly, Envy's trajectory through earlier rounds and any tactical innovations deployed matter substantially. Postponement risk exists given esports scheduling dependencies; any rescheduling announcement would reset the settlement clock to the new start time, provided it falls within the 14-day extension window. The 50-50 tie resolution clause is largely theoretical in a best-of-three format.
Methodology
Sports-specific comparison page for Valorant: Team Envy vs Sentinels (BO3) - VCT Americas Stage 2 Play-In. 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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