Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
82% | 18% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
82% | 18% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
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 | 81% |
| Match Winner | 56% |
| Game 1 Winner | 55% |
| Game 2 Winner | 55% |
| Total Kills Over/Under 27.5 in Game 1? | 55% |
| Total Kills Over/Under 27.5 in Game 2? | 55% |
| Both Teams Slay Baron Nashor | 54% |
| Any Player Quadra Kill | 54% |
| Both Teams Destroy Inhibitors | 53% |
| Any Player Penta Kill | 51% |
| First Blood in Game 2? | 51% |
| First Blood in Game 1? | 51% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| O/U 2.5 Games | 49% |
| Total Kills Over/Under 30.5 in Game 2? | 41% |
| Total Kills Over/Under 30.5 in Game 1? | 41% |
| Both Teams Slay a Dragon | 40% |
| Game Handicap: VIT (-1.5) vs Natus Vincere (+1.5) | 30% |
| Any Player Quadra Kill | 28% |
| Any Player Quadra Kill | 28% |
| Any Player Penta Kill | 25% |
| Any Player Penta Kill | 25% |
| Both Teams Slay Baron Nashor | 15% |
| Both Teams Slay Baron Nashor | 15% |
| Both Teams Destroy Inhibitors | 10% |
| Both Teams Destroy Inhibitors | 9% |
Market context
Team Vitality face Natus Vincere in a League of Legends best-of-three match scheduled for 21 August 2026 within the LEC regular season. Polymarket currently prices Team Vitality's victory at 55% implied probability, reflecting marginal favouritism in conditional token markets on Polygon. The contract settles at the scheduled match time of 13:15 ET, with USDC collateral backing both sides of the conditional token pair.
Historical matchup data between these organisations shows competitive parity across recent seasons. Vitality has demonstrated stronger domestic consistency in 2026, whilst Natus Vincere's international roster composition has introduced variable performance levels depending on meta alignment and preparation depth. When LEC teams of comparable calibre meet during regular season play, outcomes typically cluster around 50–55% probability ranges, suggesting the current pricing reflects genuine uncertainty rather than consensus conviction. Previous encounters between these rosters have split evenly across extended series, making the BO3 format a genuine toss-up absent roster changes or recent form divergence.
Traders should monitor roster announcements through early August, particularly any last-minute substitutions or coaching adjustments that could shift preparation quality. LEC schedule confirmations remain subject to technical or organisational delays; the settlement window extends to 23:15 ET on 21 August to accommodate potential broadcast delays. Recent patch notes affecting champion viability and itemisation paths merit tracking, as meta shifts disproportionately impact teams with different strategic philosophies. Any public statements regarding player health or team cohesion in the fortnight preceding the match could shift conditional token valuations meaningfully.
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 Polymarket Scam?, 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 Polymarket Scam?. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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