Kitzbuehel: Mia Ristic vs Mia Pohankova

Platform comparison

Market context

On 13 July 2026, Mia Ristić and Mia Pohánková face off in the opening round of the WTA 125K tournament in Kitzbühel, Austria. In prediction markets, a YES share pays out if the market’s stated condition occurs, while a NO share pays out if it does not. Here, the condition is that Mia Ristić advances past Pohánková; the crowd currently prices this outcome at 100% probability, implying near-certainty that Ristić will win or that the match will not resolve as a tie or cancellation.

Historically, markets pricing a tennis outcome at 100% often reflect either a player’s overwhelming advantage or a lack of competing information, such as when one opponent is absent or injured before play begins. Comparable cases from WTA 125K events show that such extreme probabilities usually correct only if the match is delayed beyond the settlement window, ends in a retire after the first set is incomplete, or is cancelled entirely—each triggering a 50-50 split rather than a decisive outcome.

Traders should monitor the official WTA match schedule and any pre-match injury reports from tournament organisers, as a retire before the first set completes would invalidate the 100% pricing. Recent updates from Tennis.com confirm the match is listed as live for Round 1, with no indication of postponement, but any change to the start time beyond seven days from 13 July would reset the market to 50-50 [3].

Sources: 1 · 2 · 3 · 4 · 5

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

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 Prediction Market UK. 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.

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.