Question 1

What is the current probability for "US Open, Qualification WTA: Whitney Osuigwe vs Mona Barthel"?

Accepted Answer

Current Polymarket odds for "US Open, Qualification WTA: Whitney Osuigwe vs Mona Barthel": US Open, Qualification WTA: Whitney Osuigwe vs Mona Barthel Set 2 Winner 69%, US Open, Qualification WTA: Whitney Osuigwe vs Mona Barthel Set 1 O/U 8.5 60%, US Open, Qualification WTA: Whitney Osuigwe vs Mona Barthel Set 1 O/U 9.5 53% (top 3 of 16 outcomes), refreshed continuously.

Question 2

When does this market resolve?

Accepted Answer

This event resolves on 9/1/2026.

Question 3

How is the probability calculated?

Accepted Answer

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.

Question 4

Where can I get this data programmatically?

Accepted Answer

The JSON endpoint is https://api.pdata.world/api/v1/events/polymarket/898349. An MCP server with 9 tools is available at https://api.pdata.world/mcp. Full agent guide: https://pdata.world/agents.md.

US Open, Qualification WTA: Whitney Osuigwe vs Mona Barthel

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