Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game 2 Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 25% |
| Both Teams Destroy Inhibitors | 23% |
| Game 1 Winner | 0% |
| Match Winner | 0% |
| Game Handicap: MKF (-1.5) vs UCAM Esports Club (+1.5) | 0% |
Market context
Polymarket is effectively treating this UCAM Esports Club v Movistar KOI Fénix BO3 as a dead market at **0% YES**, which means the contract is pricing in almost no chance of a UCAM win before settlement. On Polymarket, the contract settles in USDC on Polygon through conditional tokens, so the only thing that matters is the final official match outcome, with a 50-50 fallback if the series is not played, ends tied, or drifts beyond the listed delay window without a winner.
That zero price is best read against the recent head-to-head rather than as a statement that UCAM have no path to victory. These sides have met repeatedly in LES and related Spanish events, with results swinging both ways: Strafe lists 21 meetings overall, with UCAM on 13 wins and KOI Fénix on 8, while the latest encounter in June 2026 finished 3-2 to UCAM[8]. Earlier 2026 match pages also show KOI Fénix taking a spring BO3 2-1, so the series history does not support a one-sided matchup even if the market is currently compressed to the floor[2][12].
For traders, the main catalysts are straightforward: official start confirmation, any roster or schedule change, and whether the match actually reaches a completed BO3 within the settlement window. Sofascore and Strafe both list the fixture for 5 August 2026 at 17:30 UTC in the LES regular season[4][5][8], but the market description ties resolution to the match being played and finished cleanly, not merely scheduled. If there is a late postponement, technical issue, or cancellation, the contract can flip away from a binary team outcome and into the fallback 50-50 settlement, which is the key on-chain risk to watch[3].
Methodology
This page reviews LoL: UCAM Esports Club vs Movistar KOI Fénix (BO3) - LES Regular Season 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.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade LoL: UCAM Esports Club vs Movistar KOI Fénix (BO3) … on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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