Paris: Katie Volynets vs Yulia Starodubtseva

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Active sub-markets

Market context

Katie Volynets and Yulia Starodubtseva are scheduled to meet in a Paris tennis match on 15 May 2026. The market currently reflects zero probability for Volynets, suggesting either strong backing for Starodubtseva or insufficient liquidity to establish a meaningful price. Settlement occurs by 22 May 2026, allowing a seven-day window for rescheduling without triggering a 50-50 resolution. The 4:00 AM ET start time indicates a qualifying round or early main-draw slot at a French clay-court event.

Volynets, a Russian-born American competing on the WTA circuit, has historically struggled against higher-ranked opponents on clay, her primary surface weakness. Starodubtseva, competing under neutral status, has shown variable form on European clay courts. The 0% probability for Volynets likely reflects either a significant ranking or seeding disparity, or sparse order-book depth at market inception. Comparable early-round women's tennis markets typically see probability shifts of 10–25 percentage points once deposit flows stabilise across payment rails—SEPA transfers and USDC on-ramps drive liquidity concentration in European tennis fixtures.

Traders monitoring this match should track ATP/WTA injury announcements and court assignments, which typically release 48–72 hours before play. Recent weather disruptions at French clay events have extended matches beyond scheduled dates; any delay approaching the seven-day threshold would trigger automatic 50-50 settlement. Book depth will depend on whether retail deposit activity via Klarna or direct bank transfers reaches critical mass; thin liquidity at market open often produces extreme probabilities that normalise once funding flows activate.

Methodology

This page reviews Paris: Katie Volynets vs Yulia Starodubtseva across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against 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?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.