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 |
|---|---|
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 1 O/U 8.5 | 100% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Game Spread +/-1.5 | 92% |
| Completed Match | 50% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Total Sets: O/U 2.5 | 50% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 O/U 8.5 | 50% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 O/U 9.5 | 50% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 O/U 10.5 | 50% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Match O/U 21.5 | 50% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Match O/U 23.5 | 50% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set Handicap +/-1.5 | 47% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Match O/U 22.5 | 14% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 2 Winner | 13% |
| China Open, Qualification: Tomas Machac vs Arthur Gea | 7% |
| China Open, Qualification: Tomas Machac vs Arthur Gea Set 1 Winner | 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% |
Market context
Traders on decentralised prediction markets give 100% probability to china open, qualification: tomas machac vs arthur gea. 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 will resolve to 'To…
Methodology
This page compares China Open, Qualification: Tomas Machac vs Arthur Gea 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
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.
- Is Betfair a Polymarket alternative?
- Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
- 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.
Trade China Open, Qualification: Tomas Machac vs Arthur Gea on Kalshi Alternative
Live order book, 0% fees, USDC settlement in seconds.
Open live market →