Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Alternative UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| ITF Granby: Kayla Cross vs Annabelle Xu | 100% |
| Completed Match | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 2 O/U 8.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 1 O/U 8.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 2 Winner | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Total Sets: O/U 2.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 1 O/U 9.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Match O/U 21.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Match O/U 22.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 1 O/U 10.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Match O/U 23.5 | 100% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 2 O/U 9.5 | 0% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 1 Winner | 0% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set 2 O/U 10.5 | 0% |
| ITF Granby: Kayla Cross vs Annabelle Xu Set Handicap +/-1.5 | 0% |
Market context
Market consensus: 100% chance of itf granby: kayla cross vs annabelle xu. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Kayla Cross and Annabelle Xu in the ITF Women Granby, originally scheduled for July 13, 2026 at 8:15PM ET. This market will resolve …
Methodology
We read ITF Granby: Kayla Cross vs Annabelle Xu from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live mid is the canonical probability; the side-by-side columns benchmark fees, KYC, settlement currency and deposit rails so you can choose the venue that fits your jurisdiction and trade size.
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
- 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.
- 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.
- 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. Kalshi Alternative UK 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.
Trade ITF Granby: Kayla Cross vs Annabelle Xu on Kalshi Alternative UK
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