Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Sport Prediction.
Active sub-markets
| Game Handicap: KC (-1.5) vs Natus Vincere (+1.5) | 100% YES | 0% NO |
| Game Handicap: KC (-2.5) vs Natus Vincere (+2.5) | 0% YES | 100% NO |
| Both Teams Slay Baron Nashor | 0% YES | 100% NO |
| Both Teams Slay a Dragon | 100% YES | 0% NO |
| Both Teams Destroy Inhibitors | 0% YES | 100% NO |
| Any Player Quadra Kill | 0% YES | 100% NO |
Market context
Karmine Corp face Natus Vincere in a lower bracket quarterfinal best-of-five on 30 May, with the winner advancing deeper into the LEC playoffs. The 57% crowd probability favours Karmine Corp, reflecting their domestic strength but understating Na'Vi's recent stabilisation under new management. Both teams enter from the regular season having secured playoff positions, though their trajectories diverged sharply in the final weeks.
Karmine Corp's regular season form was volatile—strong early performances gave way to inconsistency that saw them finish fourth in the LEC standings. Na'Vi, by contrast, showed marked improvement after structural changes, climbing to sixth place with a more cohesive mid-to-late-game execution. Historical precedent suggests lower bracket matchups between French and Eastern European teams favour the higher-seeded side roughly 65% of the time when regular season records are comparable, yet Na'Vi's recent momentum and coaching adjustments (confirmed by LEC broadcast coverage in May) have narrowed that gap considerably. Karmine Corp's domestic pedigree and larger infrastructure typically translate to playoff depth, but Na'Vi have demonstrated they can exploit teams relying on early-game advantages.
Traders should monitor team rosters for any last-minute absences or substitutions announced before the 11:00 AM ET start. Karmine Corp's mid-lane consistency and Na'Vi's support-jungle synergy improvements are the primary performance vectors to track during champion select and early game phases. The settlement window closes at 21:00 UTC on match day, allowing only a narrow window for delayed matches to resolve within the seven-day buffer.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Sport Prediction, 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.
FAQ
- Where can I trade this market with the lowest fees?
- On Sport Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.
Trade LoL: Karmine Corp vs Natus Vincere (BO5) - LEC Playoffs on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Trade on Sport Prediction →