Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Market UK) Pick polygram.ink (preferred broker) |
66% | 34% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
66% | 34% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Total Kills Over/Under 27.5 in Game 2? | 66% |
| Game Handicap: KC (-1.5) vs Fnatic (+1.5) | 61% |
| Total Kills Over/Under 27.5 in Game 1? | 61% |
| 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% |
| 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% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 2? | 50% |
| First Blood in Game 1? | 49% |
| Total Kills Over/Under 30.5 in Game 2? | 48% |
| Total Kills Over/Under 30.5 in Game 1? | 45% |
| Total Kills Over/Under 33.5 in Game 1? | 35% |
| Total Kills Over/Under 33.5 in Game 2? | 35% |
| O/U 2.5 Games | 34% |
| Game 1 Winner | 23% |
| Game 2 Winner | 22% |
| Match Winner | 13% |
Market context
Fnatic’s best-of-three against Karmine Corp is a straightforward win/lose market: a **YES** share pays out if Fnatic take the series, while a **NO** share pays out if Karmine Corp do. The current crowd-implied probability of **23%** for Fnatic is a minority view, which means the market is pricing Karmine Corp as the likelier winner rather than a close coin-flip.
Recent comparable meetings help explain why that price is low. Across tracked 2025 LEC series, Fnatic held the edge overall, including a 2–1 regular-season win and a 3–1 playoff win, but Karmine Corp also produced emphatic results of their own, including a 3–0 sweep in Spring playoffs and a 3–2 win in Winter playoffs.[8] More recent form has narrowed the gap: one match preview in August 2026 described Karmine Corp as arriving on a four-match win streak with a 4–1 run in their last five regular-season games, while Fnatic were noted at 3–2 over their last five, which is the kind of form split that can keep an upset price elevated but not dominant.[3][11]
For traders, the main catalysts are simple: confirm the series starts on schedule, watch for any roster or competitive rulings, and check whether either team enters the day with momentum from earlier LEC results. The settlement rules matter too, because if the match is cancelled, delayed beyond seven days without a winner, or ends in an unresolved state, the market resolves 50–50 rather than to either team.[11] That makes official scheduling updates and live event status more important than usual for late traders.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Market UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
UK Frequently Asked Questions
- 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.
- 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.
- 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: Fnatic vs Karmine Corp (BO3) - LEC Regular Season on Prediction Market UK
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