Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) Pick polygram.ink (preferred broker) |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
50% | 50% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Map Handicap: 100T (-1.5) vs Infinite (+1.5) | 50% |
| Map 2 Rounds Handicap: 100 Thieves (-3.5) vs Infinite (+3.5) | 50% |
| Map 2 Total Rounds: Over/Under 21.5 | 50% |
| Map 1 Rounds Handicap: 100 Thieves (-3.5) vs Infinite (+3.5) | 50% |
| Map 3 Rounds Handicap: 100 Thieves (-3.5) vs Infinite (+3.5) | 50% |
| Map 3 Total Rounds: Over/Under 21.5 | 50% |
| Map 1 Total Rounds: Over/Under 21.5 | 50% |
| O/U 2.5 Games | 41% |
| Map 2 Winner | 39% |
| Map 1 Winner | 31% |
| Match Winner | 26% |
Market context
Infinite meet 100 Thieves in a best-of-three Round of 32 play-in at the Esports World Cup Open Qualifier, with the scheduled start listed around 09:00 UTC. The market’s 30% crowd-implied YES price implies the underdog side has a live path, but the tape still points to 100 Thieves as the more established team by current rating and market pricing, with one live board showing them at roughly 78% and another sportsbook listing 1.17 on 100 Thieves versus 4.40 on Infinite.[2][10][14]
For historical framing, the cleanest analogue is a straightforward qualification-series pricing model: a lower-ranked side can attract support if the bracket is shallow or if the favourite has limited recent CS2 evidence, but the base rate still favours the higher-ranked roster. GosuGamers lists 100 Thieves around world rank 47 and Infinite around 111, while Strafe and other market pages also lean heavily to 100 Thieves, suggesting the current price is below the consensus pre-match expectation rather than a neutral 50-50 line.[6][13][7]
Programmatically, the main catalysts are binary and easy to automate: confirm the fixture is still on the official schedule, watch for any roster or start-time change, and monitor whether the match actually goes live before the settlement window closes. The qualifier itself runs on 7–9 August and the event is described as a 32-team open qualifier feeding the main Esports World Cup CS2 path, so any bracket reshuffle, delay beyond seven days, or cancellation would matter directly to resolution; a small set of schedule feeds already shows the match as upcoming, which is the key signal to poll in a bot or conditional-order stack.[8][2][9]
Methodology
This page reviews Counter-Strike: Infinite vs 100 Thieves (BO3) - Esports World Cup Open Qualifier Play-Ins across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Bot UK, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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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