Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 1 O/U 8.5 | 100% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 O/U 8.5 | 100% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 O/U 9.5 | 100% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set Handicap +/-1.5 | 100% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Game Spread +/-1.5 | 100% |
| China Open, Qualification: Tomas Machac vs Arthur Gea | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 1 Winner | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 Winner | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Total Sets: O/U 2.5 | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 1 O/U 9.5 | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 1 O/U 10.5 | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 O/U 10.5 | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Match O/U 21.5 | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Match O/U 22.5 | 0% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Match O/U 23.5 | 0% |
Market context
Based on real-money crowd forecasting, china open, qualification: tomas machac vs arthur gea stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Tomas Machac and Arthur Gea in the China Open, Qualification, originally scheduled for September 28, 2026 at 11:00PM ET. This market…
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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 Best Prediction Markets. 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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade China Open, Qualification: Tomas Machac vs Arthur Gea on Best Prediction Markets
Live order book, 0% fees, USDC settlement in seconds.
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