Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Philadelphia: Anastasia Zakharova vs Anna Blinkova | 100% |
| Completed Match | 100% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 1 Winner | 100% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 2 Winner | 100% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 1 O/U 8.5 | 100% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set Handicap +/-1.5 | 100% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 1 O/U 9.5 | 100% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 1 O/U 10.5 | 100% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Match O/U 21.5 | 0% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Total Sets: O/U 2.5 | 0% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 2 O/U 8.5 | 0% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 2 O/U 9.5 | 0% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Match O/U 22.5 | 0% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set Handicap +/-1.5 | 0% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Set 2 O/U 10.5 | 0% |
| Philadelphia: Anastasia Zakharova vs Anna Blinkova Match O/U 23.5 | 0% |
Market context
Polymarket is pricing this contract at 100% YES, so the market is effectively treating Anastasia Zakharova’s advance over Anna Blinkova as already locked in, with the usual USDC-backed, Polygon-settled conditional-token structure sitting behind the price. That means the share value is driven less by match speculation and more by whether the event is formally resolved before the market’s cut-off, including the separate fallback to 50-50 if the match is not played or a winner is not determined in time.
The closest comparable read is a completed or near-completed tennis market where the result has already been reflected in live scoreboards: WTA and live-score listings showed Zakharova versus Blinkova in Philadelphia as a round-of-32 match, and ESPN’s scoreboard recorded Zakharova beating Blinkova 7-6, 6-0 on 23 August 2026. That kind of outcome is exactly what pushes a binary tennis market to one side quickly, because once the on-court result is clear, the remaining risk is mostly operational rather than sporting.
For traders, the key catalysts are confirmation from the tournament draw and scoreboard feeds, any late withdrawals or walkovers, and whether the match is officially entered as completed before the dispute window expires. The market description gives a hard backstop: if no winner is determined by 6 September 2026 at 11:59 PM ET, it resolves to 50-50, so the only real hazard after a live result is a delayed, cancelled, or unrecorded outcome.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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 Polymarket Qué Es. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Pronóstico: Philadelphia: Anastasia Zakharova vs Ann… on Polymarket Qué Es
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