LoL: CTBC Flying Oyster vs GAM Esports (BO3) - LCP Group Stage

Platform comparison

Market context

Polymarket is pricing **CTBC Flying Oyster** at 37% versus **GAM Esports** at 63% on this USDC-settled Polygon contract, so the market is leaning towards GAM but not by a wide margin. Because the event resolves from the actual BO3 result, traders are effectively buying conditional tokens tied to the match outcome, with a fallback to 50-50 only if the series is not completed under the market’s rules.

The main historical read-through is that these teams have not been a one-way matchup. Recent listed results show GAM beat CFO 2-0 in January 2026, while CFO also beat GAM in other prior meetings, including a 2-1 result in May 2025 and a 2-0 result in February 2025, so head-to-head form has swung both ways rather than locking in a persistent edge.[1][5][9][11] More broadly, recent LCP results in late July show both teams arriving in workable form, with CFO and GAM each posting 2-0 wins on 26 July in the same split.[14][16]

For traders, the key catalysts are basic but important: line-up announcements, whether the match starts on schedule, and any late schedule changes from the LCP broadcast or organiser. The market’s own resolution rules mean a postponement beyond seven days, or an outright cancellation, would force the contract to 50-50 rather than pay out either team, so timing risk matters as much as performance risk. With the settlement window closing on 31 July 2026 at 17:30 UTC, the on-chain position will move quickly once the series goes live or is officially delayed.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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.

FAQ

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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.