Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket App UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket App UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket App UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket App UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket App UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket App UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket App UK.
Active sub-markets
| Game Handicap: HRTS (-1.5) vs Barça eSports (+1.5) | 100% YES | 0% NO |
| Game Handicap: HRTS (-2.5) vs Barça eSports (+2.5) | 0% YES | 100% NO |
| Both Teams Slay Baron Nashor | 0% YES | 100% NO |
| Both Teams Slay a Dragon | 100% YES | 0% NO |
| Both Teams Destroy Inhibitors | 0% YES | 100% NO |
| Any Player Quadra Kill | 0% YES | 100% NO |
Market context
Team Heretics Academy and Barça eSports will contest the first semifinal of the Liga Española de Videojuegos (LES) League of Legends playoffs on 3 June 2025. The best-of-five match determines which side advances to the final. Settlement occurs at 21:00 UTC on the scheduled date, with a seven-day grace period for delayed matches before the market resolves to a 50-50 split.
The 100% implied probability reflects the structural certainty of a scheduled LES semifinal rather than confidence in either team's victory. Historical LES playoff cancellations remain rare; the league has maintained consistent scheduling through its competitive seasons. Comparable European regional playoffs (LEC, LFL) show similar completion rates above 98%, making outright cancellation a tail-risk event. For conditional order logic, traders should weight match completion as the primary variable—the outcome itself remains genuinely competitive between two academy-tier rosters.
Programmatic monitoring should track LES official announcements for roster changes or scheduling conflicts in the five days preceding the match. Heretics Academy and Barça eSports' recent scrim results and player availability statements, typically published via team social channels or LES broadcast previews, provide early signals of preparation quality. The settlement window's 21:00 UTC close aligns with typical LES broadcast completion times; delays beyond standard broadcast windows (usually 4–5 hours for best-of-fives) would trigger the grace period clause. Automated feeds from LES's official schedule and match result APIs offer the most reliable data source for determining whether the match concludes within the settlement window.
Methodology
We track LoL: Team Heretics Academy vs Barça eSports (BO5) - LES Playoffs on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- On Polymarket App UK, which mirrors the Polymarket order book at 0% fees. 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 it cost to trade on Polymarket App UK?
- Zero. Polymarket App UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket App UK triggers a quick verification flow that finishes in 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.
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