Question 1

What is the current probability for "S&P 500 Daily Up/Down"?

Accepted Answer

"Yes" is currently 39% (-7pp in the last 24h) on Kalshi, refreshed continuously from the source's live prices.

Question 2

When does this market resolve?

Accepted Answer

This event resolves on 7/6/2026.

Question 3

How is the probability calculated?

Accepted Answer

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.

Question 4

Where can I get this data programmatically?

Accepted Answer

The JSON endpoint is https://api.pdata.world/api/v1/events/kalshi/KXINXDUD-26JUN29H1600. An MCP server with 9 tools is available at https://api.pdata.world/mcp. Full agent guide: https://pdata.world/agents.md.

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