Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
82% | 18% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
82% | 18% | 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 |
|---|---|
| Both Teams Slay a Dragon | 82% |
| Both Teams Slay a Dragon | 82% |
| Total Kills Over/Under 27.5 in Game 2? | 65% |
| Total Kills Over/Under 27.5 in Game 1? | 61% |
| Both Teams Slay Baron Nashor | 54% |
| Any Player Quadra Kill | 53% |
| Both Teams Destroy Inhibitors | 52% |
| Total Kills Over/Under 30.5 in Game 2? | 52% |
| Game 1 Winner | 50% |
| Game 2 Winner | 50% |
| Match Winner | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 2? | 50% |
| First Blood in Game 1? | 50% |
| O/U 2.5 Games | 49% |
| Total Kills Over/Under 30.5 in Game 1? | 45% |
| Both Teams Slay a Dragon | 40% |
| Total Kills Over/Under 33.5 in Game 2? | 40% |
| Total Kills Over/Under 33.5 in Game 1? | 34% |
| Any Player Quadra Kill | 28% |
| Any Player Quadra Kill | 28% |
| Game Handicap: SK (-1.5) vs Fnatic (+1.5) | 27% |
| Any Player Penta Kill | 26% |
| Any Player Penta Kill | 26% |
| Both Teams Slay Baron Nashor | 16% |
| Both Teams Slay Baron Nashor | 16% |
| Both Teams Destroy Inhibitors | 9% |
| Both Teams Destroy Inhibitors | 9% |
Market context
SK Gaming and Fnatic meet in a best-of-three League of Legends fixture within the LEC's regular season on 15 August, with the match scheduled for 11:00 AM ET. The 50-50 implied probability reflects genuine uncertainty between two organisations with divergent trajectories this split. Recent roster movements and mid-season form shifts have kept both teams competitive, though neither has established decisive dominance heading into this fixture.
Historical matchups between these sides show a relatively balanced record over the past two seasons, with outcomes heavily dependent on draft execution and early-game coordination rather than raw mechanical skill gaps. Fnatic's tendency to leverage superior macro play has occasionally offset SK Gaming's individual lane strengths, creating a dynamic where series outcomes often hinge on which team's strategic approach gains traction first. The 50-50 settlement reflects this structural parity—neither side enters as a clear favourite based on recent performance metrics or head-to-head history.
Traders should monitor LEC official announcements regarding any roster changes, player availability, or scheduling adjustments in the 48 hours before match start. Technical issues or server problems affecting the LEC broadcast have occasionally caused delays; the seven-day resolution window provides buffer against minor postponements. Team practice scrim results, if leaked through community sources, occasionally shift market sentiment, though such information remains unreliable. Watch for any last-minute coaching staff changes or substitution announcements, which could alter strategic preparation and shift the probability away from parity.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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.
- 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%.
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