What is the current probability for "Stefanos Tsitsipas vs Arthur Fils: Set 4 Winner"?

Current Kalshi odds for "Stefanos Tsitsipas vs Arthur Fils: Set 4 Winner": Stefanos Tsitsipas 99%, Arthur Fils 1% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Sep 14, 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/KXATPSETWINNER-26AUG31TSIFIL-4. 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

Stefanos Tsitsipas vs Arthur Fils: Set 4 Winner

·Sports·ends Sep 14, 2026

vol cum

$50k

vol 24h

$50k

outcomes

ends

Sep 14, 2026

outcomesclick to inspect →

marketselected outcome

Stefanos Tsitsipas

rank #1 · resolved: yes

99¢

▲ 13.0pp

24h change

vol cum

$29.3k

vol 24h

$29.3k

spread

0.01

ends

Sep 14, 2026

If Stefanos Tsitsipas wins set 4 in the Stefanos Tsitsipas vs Arthur Fils professional tennis match in the 2026 US Open Men Singles Round Of 128, then the market resolves to Yes.

timeline

opened · Aug 31, 2026closedresolved · Sep 14, 2026

Stefanos Tsitsipas · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

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