Call of Duty: OpTic Gaming vs 100 Thieves (BO7) - Esports World Cup Playoffs

Platform comparison

Market context

OpTic Gaming and 100 Thieves are meeting in a best-of-seven semifinal at the Esports World Cup, with the winner advancing to the grand final and the loser exiting the title race. In a prediction market, a **YES** share pays out if the named outcome happens and a **NO** share pays out if it does not; here, the market is about which team wins the match, not the margin or map score.

The setup is unusually tight because the two teams have already split recent evidence. 100 Thieves beat OpTic 3-2 in group play earlier in the event, but both sides then arrived in the playoffs off clean 4-0 quarter-final sweeps, which is the sort of form that often keeps implied probabilities from moving very far away from a coin flip. OpTic also carry the weight of being the defending Esports World Cup champion in the wider Call of Duty context, while 100 Thieves have shown they can handle the same stage and same format, which is why a 0% crowd price looks more like an outlier than a settled read on the matchup.[1][4][5][6]

For traders, the main catalysts are straightforward: official team line-ups, any change to the published start time, and whether the match is actually played to completion within the settlement window. The event schedule places this semifinal in the closing stretch of the tournament, so bracket movement, production delays or a cancellation would matter more here than in a later, less time-sensitive market.[1][10][11] Recent previews and match listings also confirm the series format as best-of-7 and note the same tournament context, which helps anchor the market if live coverage or score updates are delayed.[3][4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Call of Duty: OpTic Gaming vs 100 Thieves (BO7) - Esports World Cup Playoffs across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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%.