What is the current probability for "US Open Men's Singles Winner"?

Current Kalshi odds for "US Open Men's Singles Winner": Carlos Alcaraz 35%, Alexander Zverev 32%, Ben Shelton 16% (top 3 of 48 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Sep 28, 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/KXATP-26USO. 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

↗

event48 outcomes

US Open Men's Singles Winner

·Sports·ends Sep 28, 2026

vol cum

$30.1M

vol 24h

$2.3M

outcomes

ends

Sep 28, 2026

outcomesclick to inspect →

showing 5 of 48

marketselected outcome

Carlos Alcaraz

rank #1

35¢

▼ 21.0pp

24h change

vol cum

$4.3M

vol 24h

$381.9k

spread

0.04

ends

Sep 28, 2026

If Carlos Alcaraz wins the 2026 US Open Men's Singles professional tennis tournament, then the market resolves to Yes.

timeline

opened · Jun 8, 2026opencloses · Sep 28, 2026

Carlos Alcaraz · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history

similar markets

No similar markets for sports & price markets.