Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff | 100% |
| Completed Match | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 1 Winner | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 2 Winner | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 1 O/U 8.5 | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 2 O/U 8.5 | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 2 O/U 9.5 | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set Handicap +/-1.5 | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Game Spread +/-4.5 | 100% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Total Sets: O/U 2.5 | 0% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 1 O/U 9.5 | 0% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 1 O/U 10.5 | 0% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Set 2 O/U 10.5 | 0% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Match O/U 21.5 | 0% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Match O/U 22.5 | 0% |
| China Open, Qualification: Elsa Jacquemot vs Vivian Wolff Match O/U 23.5 | 0% |
Market context
Market consensus: 100% chance of china open, qualification: elsa jacquemot vs vivian wolff. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Elsa Jacquemot and Vivian Wolff in the China Open, Qualification, originally scheduled for September 28, 2026 at 11:00PM ET. This ma…
Methodology
This page reviews China Open, Qualification: Elsa Jacquemot vs Vivian Wolff across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Fees, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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