Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
65% | 35% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
65% | 35% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Both Teams Slay a Dragon | 65% |
| Both Teams Slay a Dragon | 65% |
| Match Winner | 63% |
| Game 1 Winner | 59% |
| Game 2 Winner | 58% |
| Any Player Penta Kill | 55% |
| Any Player Quadra Kill | 54% |
| Both Teams Slay Baron Nashor | 53% |
| First Blood in Game 2? | 53% |
| Both Teams Destroy Inhibitors | 51% |
| Total Kills Over/Under 30.5 in Game 1? | 51% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| Odd/Even Total Kills | 50% |
| First Blood in Game 1? | 50% |
| Total Kills Over/Under 30.5 in Game 2? | 50% |
| O/U 2.5 Games | 48% |
| Both Teams Slay a Dragon | 39% |
| Game Handicap: DK (-1.5) vs KT Rolster (+1.5) | 34% |
| Both Teams Slay Baron Nashor | 28% |
| Both Teams Destroy Inhibitors | 28% |
| Any Player Quadra Kill | 28% |
| Both Teams Slay Baron Nashor | 28% |
| Any Player Quadra Kill | 28% |
| Both Teams Destroy Inhibitors | 27% |
| Any Player Penta Kill | 25% |
| Any Player Penta Kill | 25% |
Market context
Dplus KIA’s BO3 against KT Rolster is priced by the crowd at **59% YES**, which is close to a fair coin-flip with a modest lean towards Dplus KIA. That sits slightly below Polymarket’s own current quote of about **62%** for Dplus KIA on this market, a useful reminder that platform snapshots can diverge even before you adjust for trading costs and spread. Historical head-to-head data also supports a narrow DK edge: Tips.GG lists Dplus KIA ahead **17-12** across 29 meetings, with a **40-34** map advantage, although KT have been competitive in more recent samples and the last 12 months have been close on maps.[5][6]
Recent form is the main catalyst to watch. In the latest reported LCK meeting, KT Rolster beat Dplus KIA **2-0**, and a separate 2024 LCK game log shows DK have also been capable of taking series off KT when their teamfighting and late-game execution click.[9][10][13] For traders comparing venues, the main practical difference is format: Polymarket quotes a direct probability, while Betfair and Smarkets usually display decimal odds that must be converted into implied probability, with the exchange margin affected by commission; Kalshi uses a US-regulated contract structure and often requires stricter identity checks than offshore books. The key near-term variables are final LCK schedule confirmation, starting line-ups, and any last-minute rescheduling, because this market only goes 50-50 if the match is not played, tied, or delayed beyond seven days without a winner.
Methodology
This page compares LoL: Dplus KIA vs KT Rolster (BO3) - LCK Round 3-4 Legend Group specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Polymarket Alternative offers a fiat on-ramp via Klarna or SOFORT (DE/AT/CH) and converts internally to USDC for the Polymarket order book. T+1 processing.
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