What is the current probability for "Mayo vs Willwerth"?

Current Kalshi odds for "Mayo vs Willwerth": Aidan Mayo 71%, Benjamin Willwerth 29% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on 9/9/2026.

How is the probability calculated?

pdata reads the latest market prices directly from kalshi'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/kalshi/KXATPCHALLENGERMATCH-26AUG26MAYWIL. An MCP server with 9 tools is available at https://api.pdata.world/mcp. Full agent guide: https://pdata.world/agents.md.

opentrade on Kalshi

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event2 outcomes

Mayo vs Willwerth

·Sports·ends Sep 9, 2026

vol cum

$24.3k

vol 24h

$20.1k

outcomes

ends

Sep 9, 2026

outcomesclick to inspect →

marketselected outcome

Aidan Mayo

rank #1

71¢

▲ 71.0pp

24h change

vol cum

$7.1k

vol 24h

$3.8k

spread

0.01

ends

Sep 9, 2026

If Aidan Mayo wins the Mayo vs Willwerth professional tennis match in the 2026 ATP Challenger Kingston 2 Round Of 16 after a ball has been played, then the market resolves to Yes.

timeline

opened · Aug 26, 2026opencloses · Sep 9, 2026

Aidan Mayo · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

similar markets

No similar markets for sports & price markets.