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% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Odd/Even Total Kills | 100% |
| Odd/Even Total Kills | 100% |
| Both Teams Slay a Dragon | 90% |
| Odd/Even Total Kills | 90% |
| Both Teams Slay Baron Nashor | 10% |
| Both Teams Destroy Inhibitors | 10% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Game 1 Winner | 0% |
| Game Handicap: GXI (-1.5) vs LUA Gaming (+1.5) | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Slay a Dragon | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Slay a Dragon | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
Market context
Polymarket’s contract is pricing **GIANTX iTero vs LUA Gaming** at **0% YES** right now, even though the underlying best-of-three is listed for LES Summer 2026. On Polymarket, buyers are trading USDC on Polygon against conditional tokens that settle to the match winner, so a 0% quote implies the market sees almost no chance of a clean GIANTX iTero resolution at current prices, despite the event still being scheduled.[16]
That is notably more bearish than the recent head-to-head pattern. Strafe says the teams have met nine times, with GIANTX iTero winning six and LUA Gaming three, and the last meeting on 15 April 2026 ended 2-0 to GIANTX iTero.[3][8] Earlier LES results also lean that way: Bo3 and draftlol record GIANTX iTero winning the April 2026 regular-season meeting, including a dominant map scoreline in the series breakdown.[1][13] In practical market terms, traders usually read a zero-price contract as either stale liquidity, a missing market-maker, or a view that the match is unlikely to resolve before the settlement window closes.
The main catalysts are simple: confirmation the series starts on time, any schedule change, and whether the best-of-three is completed within seven days of the planned date. Strafe and SofaScore both still list the fixture for 5 August at 15:00 UTC, but Polymarket’s wording matters here: if the match is cancelled, tied, or delayed beyond seven days without a winner, the market resolves 50-50 rather than to either team.[2][3][16] For a trader, the relevant watchlist is the official LES timetable, any team or organiser announcement, and whether the series page updates from scheduled to live, since an unplayed or incomplete match can change settlement more than the form book does.
Methodology
This page reviews LoL: GIANTX iTero vs LUA Gaming (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
- 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.
- 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: GIANTX iTero vs LUA Gaming (BO3) - LES Regular … on Kalshi UK
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