What is the current probability for "Andy Roddick vs Roger Federer"?

Current Kalshi odds for "Andy Roddick vs Roger Federer": Roger Federer 99%, Andy Roddick 1% (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/KXTENNISEXHIBITION-26AUG25RODFED. 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

Andy Roddick vs Roger Federer

·Sports·ends Sep 9, 2026

vol cum

$16.5k

vol 24h

$15k

outcomes

ends

Sep 9, 2026

outcomesclick to inspect →

marketselected outcome

Roger Federer

rank #1

99¢

▲ 99.0pp

24h change

vol cum

$11k

vol 24h

$10.4k

spread

0.01

ends

Sep 9, 2026

If Roger Federer wins the Andy Roddick vs Roger Federer professional tennis match in the 2026 US Open Exhibition after a ball has been played, then the market resolves to Yes.

timeline

opened · Aug 24, 2026opencloses · Sep 9, 2026

Roger Federer · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

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No similar markets for sports & price markets.