Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
51% | 49% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
51% | 49% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Both Teams Slay Baron Nashor | 51% |
| Both Teams Destroy Inhibitors | 51% |
| Any Player Quadra Kill | 51% |
| Both Teams Slay a Dragon | 50% |
| Any Player Penta Kill | 50% |
| Odd/Even Total Kills | 50% |
| Match Winner | 9% |
Market context
Dplus KIA meet T1 in a KeSPA Cup group-stage League of Legends match, a pairing that draws attention because T1 are usually priced as the stronger side while the crowd here is only giving Dplus KIA a 14% chance. Comparable match pages for the same fixture have also leaned towards T1, including a prediction that T1 would beat Dplus KIA 3:2, which underlines how asymmetric the market view is even before considering the shorter BO1 format.[2][4]
For platform comparison, the main split is presentation rather than the underlying event: Polymarket-style markets show a direct implied probability, while Kalshi, Betfair and Smarkets typically surface decimal odds or exchange pricing, which traders then convert back into probability. That matters here because a 14% YES implies a longshot payout profile, but exchange quotes can look very different once commission and bid-ask spread are included; KYC reach is also broader on regulated venues than on crypto-native markets, so access can vary by jurisdiction. A live match page for this fixture had no predictions at the time of reporting, which suggests little public price discovery beyond the current crowd view.[1]
The main catalysts are operational rather than statistical: the scheduled start time, whether the fixture is actually played, and any late notice from tournament organisers that affects format, line-ups, or postponement. Because settlement only diverges to 50-50 if the match is cancelled, tied, or delayed beyond seven days without a winner, traders will watch for KeSPA Cup scheduling updates and team announcements right up to the start window. A result page for the same matchup also indicates T1 were considered the more likely winner on comparable pre-match analysis, so any move away from 14% would most likely come from confirmed lineup changes, cancellation risk, or a surprise BO1 upset.[2][3]
Methodology
This page compares LoL: Dplus KIA vs T1 (BO1) - KeSPA Cup Group Stage 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 Robinhood Prediction Markets, 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.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- 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.
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