Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
70% | 30% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
70% | 30% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Match Winner | 70% |
| Game 1 Winner | 63% |
| Game 2 Winner | 63% |
| Total Kills Over/Under 27.5 in Game 2? | 56% |
| Total Kills Over/Under 27.5 in Game 1? | 54% |
| Both Teams Slay Baron Nashor | 53% |
| Both Teams Destroy Inhibitors | 52% |
| Both Teams Destroy Inhibitors | 51% |
| Any Player Quadra Kill | 51% |
| Any Player Penta Kill | 51% |
| Any Player Quadra Kill | 51% |
| Any Player Quadra Kill | 51% |
| Both Teams Slay a Dragon | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay a Dragon | 50% |
| Both Teams Destroy Inhibitors | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay a Dragon | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Both Teams Slay Baron Nashor | 48% |
| Both Teams Slay Baron Nashor | 48% |
| Any Player Penta Kill | 48% |
| O/U 2.5 Games | 46% |
| Total Kills Over/Under 30.5 in Game 2? | 43% |
| First Blood in Game 2? | 39% |
| First Blood in Game 1? | 39% |
| Game Handicap: SR (-1.5) vs Dignitas (+1.5) | 38% |
| Total Kills Over/Under 30.5 in Game 1? | 38% |
Market context
Shopify Rebellion face Dignitas in a best-of-three League of Legends match scheduled for 15 August at 7:00PM ET in the LCS Regular Season. The conditional token contract on Polymarket currently prices Shopify Rebellion's victory at 63%, reflecting moderate confidence in the Canadian organisation over their American counterparts. Settlement hinges on match completion by 22 August; any cancellation, tie, or unresolved delay beyond that window triggers a 50-50 split of the USDC pool across both sides of the conditional token pair on Polygon.
Dignitas have historically underperformed relative to roster investment, whilst Shopify Rebellion have demonstrated consistency in mid-table finishes despite operating with tighter resources. The 63% probability sits between typical favourites in LCS matchups (70–75% for top-four teams) and underdogs (40–50%), suggesting the market views this as a competitive fixture without a clear structural advantage. Recent LCS seasons show that teams ranked similarly in standings convert their implied probabilities accurately, with variance driven primarily by patch timing and player form rather than organisational factors.
Traders should monitor LCS scheduling announcements for any postponements, which remain common in professional League given server stability issues and visa complications. Patch notes released before 15 August could shift the meta significantly; champions favoured by either team's roster composition may gain or lose priority. Team rosters and recent scrim results typically surface on community platforms like Reddit and esports news sites within 48 hours of match day, providing late-stage information that occasionally moves conditional token prices on Polygon by 2–5 percentage points.
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 PolyGram, 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
- 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.
- 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.
- 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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