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 |
|---|---|
| China Open: Janice Tjen vs Anhelina Kalinina Set 2 Winner | 100% |
| China Open: Janice Tjen vs Anhelina Kalinina Total Sets: O/U 2.5 | 100% |
| China Open: Janice Tjen vs Anhelina Kalinina Set 2 O/U 8.5 | 100% |
| China Open: Janice Tjen vs Anhelina Kalinina Set 2 O/U 9.5 | 100% |
| China Open: Janice Tjen vs Anhelina Kalinina Set 2 O/U 10.5 | 100% |
| China Open: Janice Tjen vs Anhelina Kalinina Match O/U 21.5 | 100% |
| China Open: Janice Tjen vs Anhelina Kalinina Match O/U 22.5 | 100% |
| China Open: Janice Tjen vs Anhelina Kalinina Match O/U 23.5 | 91% |
| China Open: Janice Tjen vs Anhelina Kalinina | 83% |
| Completed Match | 50% |
| China Open: Janice Tjen vs Anhelina Kalinina Game Spread +/-0.5 | 50% |
| China Open: Janice Tjen vs Anhelina Kalinina Set 1 Winner | 0% |
| China Open: Janice Tjen vs Anhelina Kalinina Set 1 O/U 8.5 | 0% |
| China Open: Janice Tjen vs Anhelina Kalinina Set 1 O/U 9.5 | 0% |
| China Open: Janice Tjen vs Anhelina Kalinina Set 1 O/U 10.5 | 0% |
| China Open: Janice Tjen vs Anhelina Kalinina Set Handicap +/-1.5 | 0% |
| China Open: Janice Tjen vs Anhelina Kalinina Set Handicap +/-1.5 | 0% |
Market context
Based on real-money crowd forecasting, china open: janice tjen vs anhelina kalinina stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Janice Tjen and Anhelina Kalinina in the China Open, originally scheduled for September 29, 2026 at 11:00PM ET. This market will res…
Methodology
This page compares China Open: Janice Tjen vs Anhelina Kalinina 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 Polymarket 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.
- 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.
- 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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