Istanbul 2: Anastasia Zakharova vs Alexandra Shubladze

Platform comparison

Market context

Anastasia Zakharova and Alexandra Shubladze are set to face each other in a WTA match at Istanbul 2, originally scheduled for 15 July 2026 but now listed for 16 July 2026. The prediction market asks whether Zakharova will advance past Shubladze, with the current crowd-implied probability at 100% YES. In prediction markets, a YES share pays out if the event occurs, while a NO share pays out if it does not; here, the market effectively treats Zakharova’s victory as certain unless the match is cancelled or delayed beyond seven days.

Historically, tennis markets showing 100% implied probability often reflect either a lack of liquidity or a match that has already concluded off-market, yet model forecasts still suggest a competitive contest, with Zakharova given a 56% chance against Shubladze’s 44% [1]. Comparable cases in WTA events show that such extreme pricing can reverse quickly if a player withdraws due to injury or if scheduling changes force a postponement, turning a near-certain outcome into a 50-50 resolution.

Traders should monitor official WTA announcements for any withdrawal notices, schedule updates, or weather-related delays that could cancel the match before the first set is completed [2]. The settlement window closes on 22 July 2026, so any delay beyond seven days from the original date without a winner will reset the market to 50-50. Key catalysts include the players’ pre-match fitness reports and the tournament’s daily draw updates, which determine whether the match proceeds as planned.

Sources: 1 · 2

Methodology

This page reviews Istanbul 2: Anastasia Zakharova vs Alexandra Shubladze 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 Prediction Market UK, 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

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.

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Market UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.