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

Current Kalshi odds for "US Open Men's Singles Winner": Jannik Sinner 51%, Carlos Alcaraz 23%, Alexander Zverev 8% (top 3 of 33 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on 9/28/2026.

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.