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 |
|---|---|
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen | 100% |
| Completed Match | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 1 O/U 8.5 | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Match O/U 21.5 | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Total Sets: O/U 2.5 | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 1 Winner | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 2 O/U 8.5 | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 2 O/U 9.5 | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Match O/U 22.5 | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Match O/U 23.5 | 100% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set Handicap +/-1.5 | 0% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 2 Winner | 0% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set Handicap +/-1.5 | 0% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 1 O/U 9.5 | 0% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 1 O/U 10.5 | 0% |
| ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen Set 2 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of itf w15 tianjin 3 women: rinko matsuda vs meng yi chen. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Rinko Matsuda and Meng Yi Chen in the ITF W15 Tianjin 3 Women, originally scheduled for August 22, 2026 at 11:00PM ET. This market w…
Methodology
This page compares ITF W15 Tianjin 3 Women: Rinko Matsuda vs Meng Yi Chen 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
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
- 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.
- 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. Polymarket Alternative has a different geo footprint and routes to Polymarket's order book at 0% fees.
- 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.
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