What is the current probability for "Frances Tiafoe vs Ben Shelton: Set 4 Winner"?

Current Kalshi odds for "Frances Tiafoe vs Ben Shelton: Set 4 Winner": Ben Shelton 93%, Frances Tiafoe 6% (top 2 of 2 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Sep 25, 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-26SEP11TIASHE-4. 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

Frances Tiafoe vs Ben Shelton: Set 4 Winner

·Sports·ends Sep 25, 2026

vol cum

$518.4k

vol 24h

$436.3k

outcomes

ends

Sep 25, 2026

outcomesclick to inspect →

marketselected outcome

Ben Shelton

rank #1

93¢

▲ 21.0pp

24h change

vol cum

$295.3k

vol 24h

$246.3k

spread

0.02

ends

Sep 25, 2026

If Ben Shelton wins set 4 in the Frances Tiafoe vs Ben Shelton professional tennis match in the 2026 US Open Men Singles Semifinal, then the market resolves to Yes.

timeline

opened · Sep 12, 2026opencloses · Sep 25, 2026

Ben Shelton · 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.