What is the current probability for "Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini"?

The contested Polymarket outcomes for "Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini" are Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini Total Sets: O/U 2.5 50%, Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini Match O/U 21.5 50%, Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini Match O/U 22.5 50% — 2 of 15 outcomes are already 95%+. Refreshed continuously.

When does this market resolve?

This event resolves on 8/18/2026.

How is the probability calculated?

pdata reads the latest market prices directly from polymarket's public API and normalizes them to a 0-100 probability scale. See https://pdata.world/methodology for details on per-platform conventions.

Where can I get this data programmatically?

The JSON endpoint is https://api.pdata.world/api/v1/events/polymarket/831441. An MCP server with 9 tools is available at https://api.pdata.world/mcp. Full agent guide: https://pdata.world/agents.md.

opentrade on Polymarket

↗

event15 outcomes

Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini

·Sports·ends Aug 18, 2026

vol cum

$64.3k

vol 24h

$64.3k

outcomes

ends

Aug 18, 2026

outcomesclick to inspect →

showing 5 of 15

TennisSportsGames

marketselected outcome

Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini Set 1 O/U 8.5

rank #1 · resolved: over

100¢

vol cum

vol 24h

spread

0.00

ends

Aug 18, 2026

This market refers to the tennis match between Anastasia Zakharova and Lucrezia Stefanini in the Cincinnati Open, Qualification, originally scheduled for August 11, 2026 at 12:00PM ET. This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under." Any first-set tiebreak counts as one (1) game toward the total. If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50. Resolution will be based on official WTA results.

timeline

opened · Aug 11, 2026closedresolved · Aug 11, 2026

Cincinnati Open, Qualification: Anastasia Zakharova vs Lucrezia Stefanini Set 1 O/U 8.5 · prices over time

−24h

now

no price history yet

volume · by outcomehover a column to inspect

no volume history

similar markets

No similar markets for sports & price markets.