Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Game 1 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Total Kills Over/Under 30.5 in Game 2? | 53% |
| Total Kills Over/Under 33.5 in Game 2? | 53% |
| Total Kills Over/Under 27.5 in Game 2? | 53% |
| Odd/Even Total Kills | 51% |
| First Blood in Game 1? | 51% |
| Total Kills Over/Under 24.5 in Game 1? | 51% |
| Total Kills Over/Under 24.5 in Game 2? | 51% |
| Total Kills Over/Under 21.5 in Game 2? | 51% |
| 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% |
| Total Kills Over/Under 36.5 in Game 1? | 50% |
| Total Kills Over/Under 39.5 in Game 1? | 50% |
| Total Kills Over/Under 36.5 in Game 2? | 50% |
| Total Kills Over/Under 39.5 in Game 2? | 50% |
| First Blood in Game 2? | 49% |
| Game 2 Winner | 0% |
| Game Handicap: C9 (-1.5) vs Disguised (+1.5) | 0% |
| Total Kills Over/Under 33.5 in Game 1? | 0% |
| Total Kills Over/Under 30.5 in Game 1? | 0% |
| Total Kills Over/Under 27.5 in Game 1? | 0% |
Market context
Polymarket is pricing the Cloud9 side at **100% YES**, so the contract is effectively behaving like a near-certain win for the on-chain Cloud9 token on Polygon, settled through conditional tokens against USDC. For a trader, that means the market is no longer about finding value in the headline outcome so much as checking whether the series actually goes ahead and resolves cleanly under the contract rules.
That near-total confidence is consistent with the recent head-to-head framing: Cloud9 beat Disguised 2-0 in their Spring regular-season meeting, and multiple match pages from that period treated Cloud9 as the clear favourite by a wide margin. In comparable BO3s, a one-sided price can be misleading if the market is only reflecting reputation rather than current roster news, but in this pairing the historical result and the usual gap between the teams both point in the same direction. Strafe’s Spring 2026 record for the same matchup shows a 2-0 Cloud9 win, while other preview pages also described the series as a mismatch[15][16][10].
The practical catalysts are operational rather than tactical: final start time, whether the series is actually played, and any official postponement or format change within the seven-day settlement window. RFT lists the Summer Regular Season BO3 for 8 August 2026, which matches the contract’s scheduled date, and Flashscore showed the fixture as live on 8 August 2026, suggesting the match was underway rather than cancelled[2][12]. Because the market settles to 50-50 if the match is not played, or is delayed beyond seven days without a winner, users should watch league and broadcast updates closely, especially if there is any interruption, remake, or forfeiture scenario that could affect whether the BO3 reaches a formal result[2].
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 Alternative UK, 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
- 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: Cloud9 vs Disguised (BO3) - LCS Regular Season on Polymarket Alternative UK
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