Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 1 O/U 8.5 | 100% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 2 Winner | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set Handicap +/-1.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Match O/U 21.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Total Sets: O/U 2.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 2 O/U 8.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 2 O/U 9.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set Handicap +/-1.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Match O/U 22.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 2 O/U 10.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Match O/U 23.5 | 50% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt | 0% |
| Completed Match | 0% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 1 Winner | 0% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 1 O/U 9.5 | 0% |
| ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt Set 1 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, itf w50 hamburg women: astrid lew yan foon vs merel hoedt stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Astrid Lew Yan Foon and Merel Hoedt in the ITF W50 Hamburg Women, originally scheduled for August 12, 2026 at 6:30AM ET. This market…
Methodology
We read ITF W50 Hamburg Women: Astrid Lew Yan Foon vs Merel Hoedt 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
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- 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.
- 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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