LoL: Team Secret Whales vs CTBC Flying Oyster (BO5) - LCP Group Stage

Platform comparison

Market context

Polymarket is currently pricing **100% YES** on Team Secret Whales for this BO5, so the contract is effectively trading as a near-certain winner on the team side rather than a balanced two-way contest. Because the market settles in **USDC** on **Polygon** through conditional tokens, the key practical question for a holder is not the esports narrative alone but whether the match is fully completed and unambiguous before the settlement window closes; if it is not played, tied, or pushed beyond seven days, the market can still resolve **50-50** under the contract rules. [2]

That near-certainty is best read against the recent head-to-head record, which has leaned towards CTBC Flying Oyster. CFO swept Team Secret Whales 3-0 in the LCP 2025 Season Finals, and Strafe’s pre-match vote for this series also showed CFO favoured at 66.7% versus 33.3% for Team Secret Whales, suggesting that the live 100% YES price is materially out of line with comparable public and historical signals. [4][1]

For traders, the main catalysts are straightforward: confirmed start time, any late schedule change from LCP organisers, and whether the series actually reaches completion without a technical interruption or abandonment. Polymarket’s own wording means that any cancellation or delay beyond seven days can force a 50-50 outcome, so the actionable risk is operational as much as competitive, especially in a BO5 where a long series or rescheduling is more likely than in a shorter format. [2]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews LoL: Team Secret Whales vs CTBC Flying Oyster (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 Kalshi UK, which mirrors the Polymarket order book at 0% fees.

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

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 Kalshi 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.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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.