Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
74% | 26% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
74% | 26% | 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 |
|---|---|
| O/U 3.5 Games | 74% |
| Both Teams Slay a Dragon | 67% |
| Both Teams Slay a Dragon | 66% |
| Both Teams Slay a Dragon | 64% |
| Both Teams Slay Baron Nashor | 53% |
| Any Player Quadra Kill | 53% |
| Both Teams Slay Baron Nashor | 53% |
| Any Player Quadra Kill | 53% |
| Game 2 Winner | 52% |
| Game 3 Winner | 52% |
| Both Teams Destroy Inhibitors | 52% |
| Both Teams Destroy Inhibitors | 52% |
| Game 1 Winner | 50% |
| Game 4 Winner | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 1? | 50% |
| First Blood in Game 4? | 50% |
| First Blood in Game 2? | 50% |
| Match Winner | 49% |
| First Blood in Game 3? | 49% |
| Both Teams Slay a Dragon | 42% |
| Both Teams Slay a Dragon | 41% |
| O/U 4.5 Games | 36% |
| Game Handicap: NS (-1.5) vs DN SOOPers (+1.5) | 33% |
| Any Player Quadra Kill | 28% |
| Any Player Quadra Kill | 28% |
| Both Teams Slay Baron Nashor | 27% |
| Both Teams Slay Baron Nashor | 26% |
| Any Player Quadra Kill | 26% |
| Both Teams Slay Baron Nashor | 25% |
| Both Teams Destroy Inhibitors | 25% |
| Any Player Penta Kill | 25% |
| Any Player Penta Kill | 25% |
| Both Teams Destroy Inhibitors | 25% |
| Any Player Penta Kill | 25% |
| Both Teams Destroy Inhibitors | 24% |
| Game Handicap: NS (-2.5) vs DN SOOPers (+2.5) | 14% |
Market context
LoL: Nongshim Red Force vs DN SOOPers (BO5) - KeSPA Cup Playoffs — current market-implied probability: 74%. This market refers to the LoL Grand final match between Nongshim Red Force and DN SOOPers in the KeSPA Cup Playoffs, initially scheduled for August 18, 2026 at 5:00 AM ET. This market will resolve to…
Methodology
Sports-specific comparison page for LoL: Nongshim Red Force vs DN SOOPers (BO5) - KeSPA Cup Playoffs. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
UK Frequently Asked Questions
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- 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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