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 |
|---|---|
| Completed Match | 100% |
| Newport: Iryna Shymanovich vs Mary Stoiana Total Sets: O/U 2.5 | 100% |
| Newport: Iryna Shymanovich vs Mary Stoiana Match O/U 21.5 | 100% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 1 O/U 8.5 | 100% |
| Newport: Iryna Shymanovich vs Mary Stoiana Match O/U 22.5 | 100% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 1 Winner | 100% |
| Newport: Iryna Shymanovich vs Mary Stoiana Match O/U 23.5 | 100% |
| Newport: Iryna Shymanovich vs Mary Stoiana | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 2 O/U 8.5 | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 2 Winner | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set Handicap +/-1.5 | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 2 O/U 9.5 | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 1 O/U 9.5 | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set Handicap +/-1.5 | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 2 O/U 10.5 | 0% |
| Newport: Iryna Shymanovich vs Mary Stoiana Set 1 O/U 10.5 | 0% |
Market context
The tennis match between Iryna Shymanovich and Mary Stoiana at the Cerity Partners Hall of Fame Open in Newport is set to begin today at 11:00 AM ET, yet the prediction market currently prices Shymanovich advancing at 0% YES. This near-zero valuation on Polymarket, where contracts settle in USDC on the Polygon network using conditional tokens, signals that the crowd views Stoiana as the overwhelming favourite to win this Round of 16 clash. The on-chain mechanics reflect a stark consensus that Shymanovich’s path to victory is virtually blocked, a sentiment that diverges sharply from the abstract reality of a competitive sport where any player can seize momentum.
Historically, such extreme crowd-implied probabilities in WTA matches often precede one-sided outcomes where the favoured player dominates from the first serve, as seen in Stoiana’s 2025 ITF W100 encounter where she secured a decisive win against Shymanovich[2]. Comparable cases from recent tournaments show that when markets assign near-zero chance to a lower-ranked player, it frequently correlates with a lack of head-to-head success and inferior surface performance, a pattern evident in Shymanovich’s career statistics where she trails in total match wins compared to Stoiana[8]. These precedents frame the current 0% price not as an anomaly but as a rational reflection of established rivalry dynamics and statistical deficits.
Traders should monitor immediate pre-match announcements regarding player fitness and any last-minute schedule adjustments, as these dependencies can alter the conditional token payouts before the match begins. Recent coverage from Tennis Majors highlights the intensity of this Round of 16 matchup, noting that both players are competing for crucial ranking points which could influence their on-court aggression[1]. With the settlement window closing on 16 July 2026, the primary catalyst remains the live match outcome itself, where Stoiana’s superior recent form and head-to-head record will likely determine the final resolution of the contract.
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 Polymarket Qué Es, 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.
- 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.
Trade Pronóstico: Newport: Iryna Shymanovich vs Mary Stoiana on Polymarket Qué Es
Live order book, 0% fees, USDC settlement in seconds.
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