Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider | 100% |
| Completed Match | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 1 Winner | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 2 Winner | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 2 O/U 8.5 | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Match O/U 21.5 | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set Handicap +/-1.5 | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 1 O/U 8.5 | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 2 O/U 9.5 | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 1 O/U 9.5 | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 1 O/U 10.5 | 100% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Total Sets: O/U 2.5 | 0% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Match O/U 22.5 | 0% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Match O/U 23.5 | 0% |
| Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider Set 2 O/U 10.5 | 0% |
Market context
Jessica Pegula is scheduled to meet Diana Shnaider in the Mubadala Citi DC Open women’s semi-finals on outdoor hard courts in Washington, with Pegula listed as the top seed and Shnaider as the No. 4 seed.[10][15] For a market priced at **100% YES**, the key point is that this is already being treated as a played, not hypothetical, fixture; in practical terms, a programmatic trader would still verify official draw status, match start, and any late walkover or retirement flags before assuming the binary outcome will settle normally.[11][14]
The historical frame points strongly towards Pegula advancing: she leads the head-to-head **3-0**, including two hard-court wins, and all three prior meetings have gone Pegula’s way.[1][10] Recent comparable form also supports why the crowd may have pushed the contract to an extreme price: Pegula reached the semi-finals after beating Anna Kalinskaya 6-3, 7-5, while Shnaider arrived with straight-set wins over Liudmila Samsonova and Anastasia Potapova.[2][12][18] On paper, that creates a clean asymmetry for bots or conditional orders keyed to a Pegula advance, even if the market remains exposed to tennis-specific tail risks such as retirement after the match starts.[2][6]
The main catalysts are operational rather than thematic: official WTA match status, any schedule reshuffle inside the tournament week, and whether the contest is delayed or postponed beyond the market’s seven-day settlement window.[11][15] Recent listings place the semi-final on Saturday, 1 August, with live coverage pages already indexed, so the highest-value monitoring is on confirmation of commencement and completion rather than on pre-match opinion.[5][14] If the match is not played at all, ends level, or slips past the seven-day threshold without a winner, the contract resolves 50-50 under the market rules, which is the key dependency for automated settlement logic.[Market description]
Methodology
This page reviews Mubadala Citi DC Open: Jessica Pegula vs Diana Shnaider across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Fees, which mirrors the Polymarket order book at 0% fees.
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
- 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 Fees. 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.
- 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.
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