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 |
|---|---|
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva | 100% |
| Completed Match | 100% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 1 Winner | 100% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 2 O/U 8.5 | 100% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 2 Winner | 100% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set Handicap +/-1.5 | 100% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 2 O/U 9.5 | 100% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 1 O/U 8.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Total Sets: O/U 2.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Match O/U 21.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 1 O/U 9.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set Handicap +/-1.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Match O/U 22.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 1 O/U 10.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Set 2 O/U 10.5 | 0% |
| Iasi Open, Qualification: Leyre Romero Gormaz vs Zhibek Kulambayeva Match O/U 23.5 | 0% |
Market context
Market consensus: 100% chance of iasi open, qualification: leyre romero gormaz vs zhibek kulambayeva. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Leyre Romero Gormaz and Zhibek Kulambayeva in the Iasi Open, Qualification, originally scheduled for July 13, 2026 at 3:00AM ET. Thi…
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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- 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 fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- 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 Iasi Open, Qualification: Leyre Romero Gormaz vs Zhi… on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Open live market →