Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 | 100% |
| Odd/Even Total Kills | 100% |
| Match Winner | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
Market context
Ei Nerd Esports meet KaBuM! Ilha das Lendas in a one-map Circuito Desafiante regular-season game, and the market’s 0% yes price implies traders see Ei Nerd as a clear outsider. The recent head-to-head points the other way: KaBuM! won the only prior meeting on 30 March 2026, with Sofascore and Strafe both recording a 1-0 result, while bo3.gg’s matchup page also lists KaBuM! as the winner in that encounter.[3][5][11]
The form profile is also lopsided. bo3.gg says Ei Nerd have only one win in their last five matches and a roughly 36% win rate across the past six months, whereas KaBuM! are listed at an 85% win rate over the same half-year period and 68% over the past year.[2][6] That said, KaBuM!’s recent record is not spotless: bo3.gg notes two recent 3-2 playoff losses, which matters in a Bo1 because even strong teams can be dragged into coin-flip games.[2][6]
For traders, the main catalysts are lineup certainty and whether the match starts on schedule, because the settlement rules move any cancellation, tie, or delay beyond seven days to 50-50. The current listings show both sides with standard five-player starters, and there is no obvious report in the supplied sources of a late substitution or coaching change; if that remains unchanged, the market will continue to lean on baseline form rather than roster volatility.[2][10][11]
Methodology
Sports-specific comparison page for LoL: Ei Nerd Esports vs KaBuM! Ilha das Lendas (BO1) - Circuito Desafiante Regular Season. 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.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- 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: Ei Nerd Esports vs KaBuM! Ilha das Lendas (BO1)… on Sport Prediction
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