Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Roehampton 2: Jay Dylan Friend vs Michael Geerts | 100% |
| Completed Match | 100% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 1 Winner | 100% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 1 O/U 8.5 | 100% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 2 Winner | 100% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 2 O/U 8.5 | 100% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set Handicap +/-1.5 | 100% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 2 O/U 9.5 | 100% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Match O/U 21.5 | 0% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Total Sets: O/U 2.5 | 0% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 1 O/U 9.5 | 0% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Match O/U 22.5 | 0% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set Handicap +/-1.5 | 0% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Match O/U 23.5 | 0% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 1 O/U 10.5 | 0% |
| Roehampton 2: Jay Dylan Friend vs Michael Geerts Set 2 O/U 10.5 | 0% |
Market context
Traders on decentralised prediction markets give 100% probability to roehampton 2: jay dylan friend vs michael geerts. This market refers to the tennis match between Jay Dylan Friend and Michael Geerts in the Roehampton 2, originally scheduled for August 25, 2026 at 5:00AM ET. This market will resolve to 'Jay Dylan F…
Methodology
We read Roehampton 2: Jay Dylan Friend vs Michael Geerts from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
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.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- 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.
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