Will Marta Kostyuk win the US Open Women's Singles?
🗂 Part of event: US Open Women's Singles Winner →💡 What the odds say
The market puts this at about a 5% chance — very unlikely.
No money — just record your call and see if you were right. Yes is at 5% right now.
Data from Kalshi’s public API, for informational purposes only. PredictPal is not affiliated with any platform and does not facilitate trading.
Discussion
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How it resolves
Settled by Kalshi, a CFTC-regulated US exchange, against the official source named in each contract (e.g. a government release or election certification), with an Outcome Review Committee as a backstop for disputes.
Resolution criteria
If Marta Kostyuk wins the 2026 US Open Women's Singles professional tennis tournament, then the market resolves to Yes.
ⓘ A market settles under its own written rules, which can lag what looks decided in the news — so the price may not move to 100% the moment an outcome seems obvious.
View the official rules on Kalshi ↗Related markets
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Yes ≈ 5% chance
NCAAF (2026) Regular Season Team Points
108 outcomes