Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 | 100% |
| Both Teams Slay a Dragon | 90% |
| Any Player Quadra Kill | 10% |
| Any Player Penta Kill | 10% |
| Both Teams Slay Baron Nashor | 0% |
| Both Teams Destroy Inhibitors | 0% |
| Odd/Even Total Kills | 0% |
Market context
KT Rolster and Dplus KIA face off in a League of Legends best-of-one match within the KeSPA Cup group stage, scheduled for 21 July at 04:15 ET. The market currently prices KT Rolster's victory at 100% on Polymarket's USDC-denominated conditional token contract on Polygon, reflecting either extreme confidence in KT's superiority or insufficient liquidity to move the odds. Settlement occurs at 14:55 UTC on match day, allowing roughly ten hours post-scheduled start for the result to be confirmed on-chain.
KeSPA Cup matches between these franchises carry historical precedent for competitive balance. Both organisations field rosters capable of tournament runs—KT Rolster has maintained consistent LCK representation, whilst Dplus KIA (formerly Damwon Kia) won the 2020 Worlds championship. Single-elimination group-stage formats amplify variance; upsets in BO1 conditions occur regularly across Korean esports. The 100% probability suggests either a significant information asymmetry favouring KT or minimal trading activity establishing a floor price rather than genuine market consensus.
Traders should monitor official KeSPA announcements regarding fixture confirmations, player availability, or schedule adjustments. Recent roster changes or scrim results occasionally surface in Korean esports communities before formal broadcasts. The settlement window's seven-day buffer protects against minor delays, but extended postponements or technical issues during broadcast could trigger the 50-50 resolution clause. Match cancellation remains unlikely given KeSPA's operational track record, though equipment failures or unforeseen circumstances have historically delayed Korean competitive fixtures.
Methodology
We track LoL: KT Rolster vs Dplus KIA (BO1) - KeSPA Cup Group Stage 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 PolyGram. 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.
- 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.
- 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.
Trade LoL: KT Rolster vs Dplus KIA (BO1) - KeSPA Cup Group… on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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