Counter-Strike: Infinite vs 100 Thieves (BO3) - Esports World Cup Open Qualifier Play-Ins

Platform comparison

Market context

Infinite’s Round of 32 meeting with 100 Thieves is a best-of-three in the Esports World Cup Open Qualifier Play-Ins, with the bracket listed for 9:00 AM UTC and the market set to resolve on the match winner. The crowd price around 30% for Infinite implies the market is treating them as the clear outsider, while still leaving room for upset risk in a BO3 where map vetoes matter more than in a single map. Independent match listings also place 100 Thieves as the stronger side, with community odds on one venue heavily skewed towards them and another market showing a similar shape. [3][6][7][10]

For traders building this programmatically, the key historical frame is that BO3 qualifier markets tend to move less on brand name than on whether the favourite can avoid a bad veto or an early bracket disruption. Comparable Esports World Cup open-qualifier listings show dense scheduling, with many matches running on the same day and the tournament structured as a short, high-turnover entry stage rather than a long league format. That usually makes pre-match prices sensitive to roster confirmation, late schedule shifts, and whether a team is progressing cleanly through the play-in tree. [3][8][13]

The main catalysts to watch are simple operational ones: official start confirmation, any delay to the 9:00 UTC slot, and whether either side posts a lineup change or walkover notice before the first map loads. Because the market has a 7-day delay clause and 50-50 fallback for cancellation or an unresolved abandonment, automated strategies should monitor organiser and bracket pages rather than assuming settlement on a partial series. If the match reaches map one and then stops, the exact market rules on incomplete play become decisive, so bots or conditional orders should key off match state rather than just the headline fixture. [2][3][7][8]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Review UK, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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%.