Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) Pick polygram.ink (preferred broker) |
85% | 15% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
85% | 15% | 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 | 85% |
| Both Teams Slay a Dragon | 85% |
| Any Player Quadra Kill | 64% |
| Total Kills Over/Under 27.5 in Game 2? | 62% |
| Total Kills Over/Under 27.5 in Game 1? | 59% |
| Match Winner | 56% |
| Game 1 Winner | 54% |
| Game 2 Winner | 53% |
| Both Teams Slay Baron Nashor | 52% |
| First Blood in Game 1? | 51% |
| First Blood in Game 2? | 51% |
| Odd/Even Total Kills | 50% |
| Any Player Quadra Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Total Kills Over/Under 30.5 in Game 2? | 50% |
| O/U 2.5 Games | 49% |
| Both Teams Slay a Dragon | 49% |
| Any Player Penta Kill | 48% |
| Any Player Penta Kill | 48% |
| Total Kills Over/Under 30.5 in Game 1? | 45% |
| Total Kills Over/Under 33.5 in Game 2? | 37% |
| Total Kills Over/Under 33.5 in Game 1? | 33% |
| Game Handicap: MKOI (-1.5) vs Natus Vincere (+1.5) | 28% |
| Game Handicap: Navi (-1.5) vs Movistar KOI (+1.5) | 24% |
| Both Teams Slay Baron Nashor | 13% |
| Both Teams Slay Baron Nashor | 13% |
| Both Teams Destroy Inhibitors | 9% |
| Both Teams Destroy Inhibitors | 9% |
Market context
Based on real-money crowd forecasting, lol: movistar koi vs natus vincere (bo3) - lec regular season stands at 85% likelihood according to current market consensus. This market refers to the LoL match between Movistar KOI and Natus Vincere in the LEC Regular Season, initially scheduled for August 16 at 11:00AM ET. This market will resolve to …
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 Who Will Win, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Who Will Win. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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