SymbologyData
Regulatory & Financial Data Platform

Public Regulatory & Financial Data Platform

Auditable regulatory datasets: point-in-time SEC symbology, identifier resolution, and Nasdaq listing history.

Point-in-Time Symbology

Free Dataset

Resolve company names, tickers, and CIKs with complete bitemporal interval histories from SEC EDGAR diffs.

Try: META (Meta Platforms) · FB (Historical ticker) · 320193 (Apple CIK) · Berkshire Hathaway

Platform Architecture & Coverage

Every dataset on Symbology Data is built with strict append-only provenance and public source citations (SHA-256 hashes and URLs).

Daily SEC Ticker Diffs

Snapshots of SEC EDGAR company_tickers_exchange.json are diffed daily to capture symbol reassignments, delistings, and new listings.

Point-in-Time Intervals

Every mapping is stored as an interval with valid_from and valid_to timestamps. Query any past date to know what was traded on that day.