What is the current probability for "Costoulas vs Ye"?

Current Kalshi odds for "Costoulas vs Ye": Sofia Costoulas 84%, Shiyu Ye 18% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Sep 16, 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/KXITFWMATCH-26SEP01COSYEX. 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

Costoulas vs Ye

·Sports·ends Sep 16, 2026

vol cum

$217.3k

vol 24h

$195.6k

outcomes

ends

Sep 16, 2026

outcomesclick to inspect →

marketselected outcome

Sofia Costoulas

rank #1

84¢

▲ 84.0pp

24h change

vol cum

$69.4k

vol 24h

$62.3k

spread

0.01

ends

Sep 16, 2026

If Sofia Costoulas wins the Costoulas vs Ye professional tennis match in the 2026 W75 Tianjin Round of 32 after a ball has been played, then the market resolves to Yes.

timeline

opened · Sep 1, 2026opencloses · Sep 16, 2026

Sofia Costoulas · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

similar markets

No similar markets for sports & price markets.