What is the current probability for "Colby vs Johnson"?

Current Kalshi odds for "Colby vs Johnson": Spencer Johnson 99%, Ryan Colby 2% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on 8/17/2026.

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-26AUG03COLJOH. 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

Colby vs Johnson

·Sports·ends Aug 17, 2026

vol cum

$184.4k

vol 24h

$177k

outcomes

ends

Aug 17, 2026

outcomesclick to inspect →

marketselected outcome

Spencer Johnson

rank #1

99¢

▲ 99.0pp

24h change

vol cum

$74.2k

vol 24h

$71.7k

spread

0.01

ends

Aug 17, 2026

If Spencer Johnson wins the Colby vs Johnson professional tennis match in the 2026 ATP Challenger Lexington Qualification Final after a ball has been played, then the market resolves to Yes.

timeline

opened · Aug 3, 2026opencloses · Aug 17, 2026

Spencer Johnson · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

similar markets

No similar markets for sports & price markets.