What is the current probability for "Tatiana Prozorova vs Sofia Costoulas: Set 1 Winner"?

Current Kalshi odds for "Tatiana Prozorova vs Sofia Costoulas: Set 1 Winner": Sofia Costoulas 99%, Tatiana Prozorova 1% (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/KXWTASETWINNER-26SEP20PROCOS-1. An MCP server with 9 tools is available at https://api.pdata.world/mcp. Full agent guide: https://pdata.world/agents.md.

closedtrade on Kalshi

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event2 outcomes

Tatiana Prozorova vs Sofia Costoulas: Set 1 Winner

·Sports·ends Oct 5, 2026

vol cum

$62.1k

vol 24h

$62.1k

outcomes

ends

Oct 5, 2026

outcomesclick to inspect →

marketselected outcome

Sofia Costoulas

rank #1 · resolved: yes

99¢

▲ 54.0pp

24h change

vol cum

$21.6k

vol 24h

$21.6k

spread

1.00

ends

Oct 5, 2026

If Sofia Costoulas wins set 1 in the Tatiana Prozorova vs Sofia Costoulas professional tennis match in the 2026 WTA Singapore Round Of 32, then the market resolves to Yes.

timeline

opened · Sep 20, 2026closedresolved · Sep 22, 2026

Sofia Costoulas · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

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