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

Current Kalshi odds for "Vrba vs Johnson": Spencer Johnson 82%, Jakub Vrba 20% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Oct 5, 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-26SEP21VRBJOH. 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

Vrba vs Johnson

·Sports·ends Oct 5, 2026

vol cum

$19.1k

vol 24h

$18.9k

outcomes

ends

Oct 5, 2026

outcomesclick to inspect →

marketselected outcome

Spencer Johnson

rank #1

82¢

▼ 1.0pp

24h change

vol cum

$852

vol 24h

$846

spread

0.01

ends

Oct 5, 2026

If Spencer Johnson wins the Vrba vs Johnson professional tennis match in the 2026 ATP Challenger San Diego 2 Qualification Final after a ball has been played, then the market resolves to Yes.

timeline

opened · Sep 21, 2026opencloses · Oct 5, 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.