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

Current Kalshi odds for "Johnson vs Sebestova": Sofia Johnson 99%, Ivana Sebestova 2% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Oct 4, 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/KXWTACHALLENGERMATCH-26SEP20JOHSEB. 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

Johnson vs Sebestova

·Sports·ends Oct 4, 2026

vol cum

$164.2k

vol 24h

$147.8k

outcomes

ends

Oct 4, 2026

outcomesclick to inspect →

marketselected outcome

Sofia Johnson

rank #1

99¢

▲ 99.0pp

24h change

vol cum

$55.8k

vol 24h

$53.3k

spread

0.01

ends

Oct 4, 2026

If Sofia Johnson wins the Johnson vs Sebestova professional tennis match in the 2026 WTA 125K Porto Round Of 16 after a ball has been played, then the market resolves to Yes.

timeline

opened · Sep 19, 2026opencloses · Oct 4, 2026

Sofia Johnson · 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.