LoL: Team Secret vs Sentinels (BO1) - Esports World Cup Group B

Platform comparison

Market context

Team Secret and Sentinels face off in a single-game upper-bracket semifinal of the Esports World Cup Group B, with the match set to begin at 5:00AM ET on 15 July. The market currently implies a 0% chance of Team Secret winning, suggesting Sentinels are viewed as near-certain victors by the crowd.

Historically, such extreme implied probabilities in League of Legends BO1 matches often reflect one-sided roster disparities or recent form, yet they rarely guarantee outcomes given the game’s high variance in short formats. Comparable cases from past Esports World Cups show that even 95%+ implied favourites can lose when map-specific strategies or early-game mistakes intervene, meaning the 0% figure may overstate certainty rather than reflect true invincibility.

Traders should monitor official Esports World Cup announcements for any roster changes, delay notices, or cancellation confirmations, as these directly trigger the 50-50 settlement clause if the match is not completed. A recent update from the tournament organiser confirmed the 5:00AM ET start time remains unchanged, but no roster updates have been published since 12 July, leaving a narrow window for last-minute shifts that could alter the probability curve before settlement.

Methodology

We read LoL: Team Secret vs Sentinels (BO1) - Esports World Cup Group B from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

FAQ

Polymarket vs Kalshi — which is better?

Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.

What does Polymarket cost vs Kalshi?

Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.

Is Betfair a Polymarket alternative?

Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.

Which platform is accessible globally?

Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.

Which platform supports Klarna/SOFORT?

Directly: none. Polymarket accepts only USDC on Polygon. Kalshi Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.