Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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 |
|---|---|
| Game 2 Winner | 100% |
| Match Winner | 100% |
| O/U 2.5 Games | 100% |
| Both Teams Slay a Dragon | 100% |
| Odd/Even Total Kills | 100% |
| Both Teams Slay a Dragon | 100% |
| Odd/Even Total Kills | 100% |
| Both Teams Slay a Dragon | 90% |
| Any Player Quadra Kill | 50% |
| Any Player Penta Kill | 50% |
| Both Teams Destroy Inhibitors | 25% |
| Both Teams Slay Baron Nashor | 10% |
| Odd/Even Total Kills | 10% |
| Game 1 Winner | 0% |
| Game Handicap: EWI (-1.5) vs ROSSMANN Centaurs (+1.5) | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Any Player Quadra Kill | 0% |
| Any Player Penta Kill | 0% |
Market context
Polymarket-style pricing for this BO3 is effectively saying the **ROSSMANN Centaurs side is near-unpriced at 0% YES**, even though the contract is tied to a live esports fixture rather than a generic team-rank view. The settlement is on the actual Prime League result: a Centaurs win pays out the ROSSMANN token, an E WIE EINFACH E-SPORTS win pays out the other side, and a no-contest, cancellation, tie, or unresolved delay beyond seven days falls back to **50-50**. On-chain, that means the market is ultimately about how the USDC-denominated conditional tokens are expected to resolve once the tournament outcome is official, not about which roster looks stronger in abstraction.[8]
The recent head-to-head frame is important because these sides have already met in Prime League play this summer, and E WIE EINFACH E-SPORTS were the more convincing winner in the July meeting shown by match listings and results pages. Across earlier comparable matches, E WIE EINFACH E-SPORTS also beat ROSSMANN Centaurs in a best-of-three in February 2025, which gives traders a straightforward historical bias when reading a near-zero implied price on the Centaurs side.[1][7] That said, prediction markets can still move sharply around roster news or format-specific surprises, especially in a BO3 where map/game variance is higher than in a single-map contest.[1][7]
The main trader catalysts are procedural rather than thematic: whether the match starts on schedule, whether the organisers confirm the final bracket or stream slot, and whether any substitution, postponement, or forfeit ruling changes the official result. Kalshi’s contract terms state that if gameplay begins and the series is later awarded on a forfeit or disqualification, settlement follows the organiser’s declared result; if it is not played before gameplay begins, it resolves to fair market price.[8] That makes late admin updates from the Prime League and the official match page the critical items to watch, because they determine whether the contract settles on play, award, or fallback terms.[8]
Methodology
We track LoL: ROSSMANN Centaurs vs E WIE EINFACH E-SPORTS (BO3) - Prime League 1st Division Group A across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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