What is the current probability for "Best AI this week"?

Current Kalshi odds for "Best AI this week": Claude 95%, Gemini 3%, ChatGPT 2% (top 3 of 9 outcomes), refreshed continuously.

When does this market resolve?

This event resolves on Oct 29, 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/KXLLM1-26SEP28. 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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event9 outcomes

Best AI this week

·Science and Technology·ends Oct 29, 2026

vol cum

$22k

vol 24h

$21.9k

outcomes

ends

Oct 29, 2026

outcomesclick to inspect →

showing 5 of 9

marketselected outcome

Claude

rank #1

95¢

▲ 2.0pp

24h change

vol cum

$3.5k

vol 24h

$3.4k

spread

0.04

ends

Oct 29, 2026

If Anthropic has the top-ranked LLM on Sep 28, 2026, then the market resolves to Yes.

timeline

opened · Sep 21, 2026opencloses · Oct 29, 2026

Claude · prices over time

−24h

now

volume · by outcomehover a column to inspect

no volume history