Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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 |
|---|---|
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 1 Winner | 100% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 1 O/U 8.5 | 100% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 2 O/U 8.5 | 100% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Match O/U 21.5 | 90% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Match O/U 22.5 | 90% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Match O/U 23.5 | 87% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Total Sets: O/U 2.5 | 75% |
| Completed Match | 50% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo | 8% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set Handicap +/-1.5 | 4% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set Handicap +/-1.5 | 4% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 2 Winner | 0% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 1 O/U 9.5 | 0% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 2 O/U 9.5 | 0% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 1 O/U 10.5 | 0% |
| Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo Set 2 O/U 10.5 | 0% |
Market context
Leyre Romero Gormaz and Sara Sorribes Tormo are scheduled to meet in the first round of the Targu Mures tournament on 27 July 2026. The Polymarket contract currently prices Romero Gormaz's advancement at 56% (USDC on Polygon), implying conditional token holders see a modest edge for the Spanish player. The settlement window closes 3 August at 12:30 UTC, allowing seven days for the match to conclude; any cancellation, tie, or delay beyond that threshold triggers a 50-50 resolution.
Romero Gormaz, a left-handed baseliner from Spain, has historically performed better on clay surfaces, where Targu Mures tournaments are typically contested. Sorribes Tormo, also Spanish, brings greater WTA ranking stability and has shown more consistent results across varied court types over recent seasons. Head-to-head records between Spanish players on home-region clay often favour the player with superior ranking points and recent match fitness; the current 56% probability reflects this marginal advantage rather than a decisive favourite status.
Traders should monitor the official WTA schedule confirmation in early July, as Targu Mures occasionally experiences fixture adjustments. Weather delays in Romania during late July are not uncommon, and any postponement beyond the settlement window would automatically resolve the contract to 50-50. Injury announcements from either player in the fortnight preceding the match would shift the on-chain price materially; recent form updates from qualifying rounds or warm-up tournaments will provide the most reliable signal for repricing before settlement.
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 Kalshi UK, 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 Kalshi UK. 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.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Targu Mures: Leyre Romero Gormaz vs Sara Sorribes Tormo on Kalshi UK
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