LoL: Karmine Corp vs Sentinels (BO3) - Esports World Cup Group B

Platform comparison

Market context

Karmine Corp and Sentinels face off in the League of Legends Lower Bracket final at the Esports World Cup Group B, a match scheduled for 7:20 AM ET today. The Polymarket contract for this BO3 currently trades at 100% YES, implying Karmine Corp will win, though the on-chain mechanics on Polygon using USDC and conditional tokens mean this price reflects immediate liquidity rather than absolute certainty. In prediction markets, 100% pricing often precedes a late-stage correction if a team suffers an unexpected roster issue or if the match is delayed beyond the seven-day settlement window, triggering the 50-50 fallback clause.

Historically, similar esports contracts have seen 100% prices erode when matches are postponed due to technical failures or scheduling conflicts, as seen in previous Esports World Cup events where lower-bracket finals faced delays. Comparable cases in Valorant and LoL show that even dominant favourites can face 50-50 resolutions if the match is not completed, highlighting the risk that the current price ignores the cancellation clause. Traders should monitor official Esports World Cup announcements for any schedule changes or roster confirmations, as a delay beyond the threshold would instantly reset the probability to 50-50 regardless of team strength.

The primary catalysts to watch include the official start time confirmation and any pre-match announcements regarding team readiness, as a delay could invalidate the current 100% pricing. Recent previews for the Esports World Cup 2025 playoffs noted Karmine Corp’s vulnerability against top-tier opponents like Fnatic, suggesting that Sentinels could exploit this if the match proceeds without disruption [1]. With the settlement window closing at 17:00 UTC today, the market’s resolution hinges entirely on whether the match begins and completes within the seven-day window, making real-time schedule updates the critical factor for traders.

Sources: 1

Methodology

This page reviews LoL: Karmine Corp vs Sentinels (BO3) - Esports World Cup Group B 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

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.

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.

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.

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.

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.