Data infrastructure / open access

Public data catalog

Download the records behind the research, including market shares, concentration measures, official events, and source references. Coverage and missing values are documented for each dataset.

Latest reviewAug 15, 202645 sources Endpoint rows235,810JSON + CSV Dataset families62public endpoints CSV releasereadysummary export

Source-to-API route

Public records become reusable evidence.

JSON CSV

01Sources45 records 02Markets12 profiles 03Metrics8 HHI rows 04API62 endpoints

Source-to-API route

Public records become reusable evidence.

JSON CSV

Record rows235,809HHI8Gaps4

Data desk

Audit freshness, coverage, and gaps

Review source custody, observed periods, row availability, and the boundaries of current public evidence.

62datasets235,809record rows5desks

Open data observatory

Source records move through market definitions, concentration calculations, confidence labels, and public data endpoints — 45 source records, 12 market profiles, 235809 record rows plus a 1 row summary endpoint across 62 API endpoints.

Source-to-API route

Trace public records into reusable data.

JSON CSV

01Sources45 records 02Markets12 profiles 03Metrics8 HHI rows 04API62 endpoints

Record rows

235,809

Sources

Endpoints

Bulk library55 endpoint families + schemas JSONmetadata + rows CSVspreadsheet export API Labrun + copy requests Notebooklineage and analysis handoff

Aug 15, 2026

Latest source review

Dataset families

Source types

Latest data dispatch

Freshness should be visible before anyone downloads a row. This release view shows the latest review, endpoint coverage, known gaps, and reuse routes in one place.

Latest source reviewAug 15, 202645 source records checked Endpoint rows235,810235,809 records + summary row Data gaps4markets carrying visible limitations Dataset families62JSON, CSV, lineage, notebook routes

Open console Open summary JSON Download CSV Notebook handoff

API + CSV refresh route

Source review moves into endpoints, lineage, and public reuse.

Live release

LayerCurrent signalRoute

Source ledger45 records; latest access Aug 15, 2026Review source records Endpoint refresh62 endpoints exposing 235,810 rowsOpen console Lineage mapRows stay tied to upstream sources and downstream visual useInspect lineage Method notes4 visible gaps stay attached to downloadsRead method notes

Data availability

Know what is ready, scoped, or incomplete before exporting. The availability route shows which public records can be reused now and where caveats still need to travel with the evidence.

Open the year-by-year availability atlas

Availability route

Coverage, gaps, endpoints, and method notes move together.

Summary JSON

Coverage

Caveat

Endpoint

Reuse

Record rows

235,809

Endpoints

Visible gaps

DatasetAvailabilityRowsRoute

Source ledger45 source records

Audited

latest review Aug 15, 2026

4 source types; citation limits remain attached

8 fields

JSON CSV Console

Market profiles12 tracked markets

Available

8 with current HHI

4 visible data gaps

38 fields

JSON CSV Console

HHI observations32 concentration rows

Queryable

yearly HHI, method, and status labels

market vintage varies by public source

4 fields

JSON CSV Console

Participants162 firm-share rows

Scoped

shares connect firms to market screens

private-firm gaps are preserved as limitations

162

8 fields

JSON CSV Console

Geography102 state rows

Mapped

state concentration and confidence labels

local-market precision depends on source granularity

102

17 fields

JSON CSV Console

Research index11 public reports

Linked

reports remain tied to sources and markets

policy claims route back to evidence packets

8 fields

JSON CSV Console

Coverage calendar Competition monitor Open console Inspect lineage Read method

Open data needs public interpretation.

The API is a starting point, not a legal conclusion. Pair downloads with methodology notes, source records, and the data-gaps report when citing market concentration.

Methodology Source ledger