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 |
|---|---|
| Completed Match | 100% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 1 O/U 8.5 | 100% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 2 O/U 8.5 | 100% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set Handicap +/-1.5 | 100% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Game Spread +/-1.5 | 100% |
| US Open WTA: Lucie Havlickova vs Anna Bondar | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 1 Winner | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Match O/U 21.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Total Sets: O/U 2.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 2 Winner | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 2 O/U 9.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 1 O/U 9.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Match O/U 22.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 2 O/U 10.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set 1 O/U 10.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Match O/U 23.5 | 0% |
| US Open WTA: Lucie Havlickova vs Anna Bondar Set Handicap +/-1.5 | 0% |
Market context
Based on real-money crowd forecasting, us open wta: lucie havlickova vs anna bondar stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Lucie Havlickova and Anna Bondar in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolv…
Methodology
This page compares US Open WTA: Lucie Havlickova vs Anna Bondar 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 Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.
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.
- Which platform is accessible globally?
- Polymarket is geo-blocked in the US/UK/EU. Kalshi is US-only. Betfair and Smarkets are UK-restricted. Kalshi Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- Which platform supports Klarna/SOFORT?
- Directly: none. Polymarket accepts only USDC on Polygon. Kalshi 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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