LoL: CTBC Flying Oyster vs Ground Zero Gaming (BO5) - LCP Group Stage

Platform comparison

Market context

CTBC Flying Oyster’s match with Ground Zero Gaming in the LCP Group Stage is the live event to track, and the crowd’s 0% YES reading looks detached from the available form and pricing references. Strafe lists CFO as the clear pre-match favourite at 87.3%, while past head-to-head data shows the series is not one-sided: the teams have split their four meetings 2-2, although CFO won the most recent clash 2-0 in May 2026[4][6][7].

For a programme trader, the practical approach is to watch for the first authoritative scoreline update and treat the market like a binary event feed rather than a narrative bet. Sofascore shows the match underway at 1-1 after Game 3, which means any bot, conditional order stack, or copy-trading rule should already be keyed to live series state, not pre-match assumptions[1]. The main catalysts are simple but decisive: a completed series result, an official abandonment, or any schedule change that pushes settlement beyond the market’s seven-day window, which would force a 50-50 outcome under the contract terms[5].

Recent published listings place the fixture at 09:00 UTC on 9 August and describe it as a best-of-three in the LCP Swiss/Group Stage, so the key dependency is whether the published bracket advances cleanly or the organisers revise the schedule again[1][4][9]. Because the market resolves on the match winner, not map margins, an automated setup should only care about who takes the series and whether the contest is formally completed before the settlement cutoff[5].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews LoL: CTBC Flying Oyster vs Ground Zero Gaming (BO5) - LCP Group Stage 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 Review 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 Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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%.