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 |
|---|---|
| Completed Match | 100% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 1 O/U 8.5 | 100% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 1 O/U 9.5 | 100% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set Handicap +/-1.5 | 100% |
| Livesport Prague Open: Diane Parry vs Mai Hontama | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 1 Winner | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 2 Winner | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 2 O/U 8.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Total Sets: O/U 2.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Match O/U 21.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set Handicap +/-1.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 2 O/U 9.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Match O/U 22.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 2 O/U 10.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Match O/U 23.5 | 0% |
| Livesport Prague Open: Diane Parry vs Mai Hontama Set 1 O/U 10.5 | 0% |
Market context
The Livesport Prague Open, a WTA 250 event held annually in the Czech Republic, will host a first-round match between French player Diane Parry and Japanese competitor Mai Hontama on 21 July 2026. Polymarket currently prices this contract at 0% YES, meaning traders are assigning zero probability to a Parry victory and treating a Hontama win as certain. This extreme pricing reflects either decisive historical data favouring Hontama or a thin liquidity pool where early positioning has skewed the odds sharply. The settlement window closes 28 July 2026, allowing a week beyond the scheduled match date for completion or resolution under tie/cancellation rules.
Parry, ranked around 80–100 on the WTA tour in recent seasons, has shown inconsistent results on hard courts and clay surfaces typical of Prague's venue. Hontama, similarly ranked in the 70–90 range, has demonstrated steadier performances in mid-tier WTA events. Head-to-head records between players ranked this closely often show competitive matches; however, the 0% pricing suggests either a significant recent form divergence, injury status favouring Hontama, or that one player has withdrawn from the draw entirely. Traders should monitor official WTA draw confirmations and injury bulletins through early July.
Key catalysts include official draw publication (typically 2–3 weeks before the event), any late withdrawals or replacements, and court surface conditions announced closer to match week. Weather disruptions in Prague could trigger the seven-day delay clause, pushing resolution toward the 28 July deadline. Recent WTA scheduling changes and venue updates should be cross-referenced with the Prague Open's official communications.
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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
- 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 Livesport Prague Open: Diane Parry vs Mai Hontama on Kalshi UK
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