The SimpleFunctions Index (SF Index) is a composite that summarizes the prediction-market state of the world: macro, geopolitical, fiscal, monetary, and tail-risk indicators rolled into a single number.Documentation Index
Fetch the complete documentation index at: https://docs.simplefunctions.dev/llms.txt
Use this file to discover all available pages before exploring further.
Inputs
- Top liquid markets across selected themes (
fed_monetary,tariff_trade,us_fiscal,iran_crisis,ukraine_russia,china_taiwan,oil_energy). - Per-market implied probability, weighted by liquidity and recency.
- Cross-venue agreement bonus.
Compute cadence
Updated every 5 minutes by thescan-prices and indicator pipeline. Persisted to sf_index_history with timestamp.
Surfaces
- CLI:
sf index --json,sf index history --json - API:
GET /api/public/index,GET /api/public/index/history - MCP: surfaced inside
get_world_state - Web: hero on
simplefunctions.devandprediction-market-indexlanding.
Versioning
The methodology has shipped two versions:- v1 — initial composite, deprecated.
- v2 — current. See
drizzle/0006_sf_index_v2.sql.
Next steps
How it works
The end-to-end SF compute loop.
Snapshots
Historical index data is part of the daily R2 + HF dump.