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 Total Rounds: Over/Under 21.5 | 100% |
| Map 1 Total Rounds: Over/Under 19.5 | 100% |
| Map 1 Total Rounds: Over/Under 20.5 | 100% |
| Map 1 Total Rounds: Over/Under 22.5 | 100% |
| Map 1 Total Rounds: Over/Under 18.5 | 100% |
| Map 1 Total Rounds: Over/Under 23.5 | 100% |
| Map 1 Total Rounds: Over/Under 24.5 | 100% |
| Map 1 Total Rounds: Over/Under 25.5 | 100% |
| Map 1 Total Rounds: Over/Under 26.5 | 100% |
| Map 1 Total Rounds: Over/Under 27.5 | 100% |
| Map 2 Rounds Handicap: 100 Thieves (-3.5) vs Cloud9 (+3.5) | 52% |
| Map 2 Total Rounds: Over/Under 22.5 | 52% |
| Map 2 Rounds Handicap: 100 Thieves (-2.5) vs Cloud9 (+2.5) | 52% |
| Map 2 Rounds Handicap: Cloud9 (-2.5) vs 100 Thieves (+2.5) | 52% |
| Map 2 Total Rounds: Over/Under 19.5 | 50% |
| Map 2 Total Rounds: Over/Under 21.5 | 50% |
| Map 2 Total Rounds: Over/Under 20.5 | 50% |
| Map 2 Rounds Handicap: 100 Thieves (-4.5) vs Cloud9 (+4.5) | 50% |
| Map 3 Rounds Handicap: 100 Thieves (-4.5) vs Cloud9 (+4.5) | 50% |
| Map 3 Total Rounds: Over/Under 20.5 | 50% |
| Map 3 Total Rounds: Over/Under 19.5 | 50% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| Map 2 Rounds Handicap: 100 Thieves (-5.5) vs Cloud9 (+5.5) | 50% |
| Map Handicap: C9 (-1.5) vs 100 Thieves (+1.5) | 50% |
| Map 2 Total Rounds: Over/Under 23.5 | 50% |
| Map 2 Winner | 45% |
| O/U 2.5 Games | 45% |
| Match Winner | 36% |
| Map 1 Total Rounds: Over/Under 28.5 | 1% |
| Map 1 Total Rounds: Over/Under 30.5 | 1% |
| Map 1 Total Rounds: Over/Under 29.5 | 1% |
| Map 1 Winner | 0% |
| Map Handicap: 100T (-1.5) vs Cloud9 (+1.5) | 0% |
| Map 1 Rounds Handicap: 100 Thieves (-4.5) vs Cloud9 (+4.5) | 0% |
| Map 1 Rounds Handicap: 100 Thieves (-3.5) vs Cloud9 (+3.5) | 0% |
| Map 1 Rounds Handicap: 100 Thieves (-6.5) vs Cloud9 (+6.5) | 0% |
| Map 1 Rounds Handicap: 100 Thieves (-2.5) vs Cloud9 (+2.5) | 0% |
| Map 1 Rounds Handicap: 100 Thieves (-5.5) vs Cloud9 (+5.5) | 0% |
| Map 1 Rounds Handicap: Cloud9 (-2.5) vs 100 Thieves (+2.5) | 0% |
| Map 1 Rounds Handicap: Cloud9 (-3.5) vs 100 Thieves (+3.5) | 0% |
Market context
100 Thieves are set to face Cloud9 in a best-of-three at VCT Americas Stage 2 Group Omega, with the market heavily tilted away from Cloud9 despite the listed 0% crowd-implied YES price. The live price is easier to read against recent form: 100 Thieves have arrived off a 2–1 win over Sentinels, while Cloud9 are described in match-tracking previews as having won only one of their last five and sitting outside the current rankings in some models[1][2].
Historically, this pairing has been competitive enough to keep a sweep from being the default assumption. Strafe lists the head-to-head at 5-4 in 100 Thieves’ favour across nine meetings, with 100 Thieves also taking the most recent clash 2–1 in February 2026[2]. That matters because Cloud9 have still shown they can flip this matchup in lower-margin settings, but the broader trend now favours 100 Thieves on both series record and current momentum[2][4].
For traders, the main catalysts are confirmation that the match starts on schedule and whether either roster posts late lineup or staff news before lock. The match was initially scheduled for 7 August at 5:00PM ET, but some listings show a later local start, so any reschedule or significant delay would matter for a market that only rolls to 50-50 if the game is not played, tied, or postponed beyond seven days without a winner[2][5]. No recent beat-reporter note on a coaching change or key absence appears in the available sources, so the key dependency remains official pre-match confirmation rather than roster speculation[1][2].
Methodology
Sports-specific comparison page for Valorant: 100 Thieves vs Cloud9 (BO3) - VCT Americas Stage 2 Group Omega. 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.
- 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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