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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.

Source-to-API route

Public records become reusable evidence.

Mobile source-to-API data routeSource records move through market definitions and concentration metrics into public data endpoints.Sources45Markets12Metrics8API62
Record rows235,808HHI8Gaps4

Data desk

Query rows and trace their custody

Filter public endpoints, inspect schemas, and follow datasets from source review into reusable outputs.

62datasets235,808record rows5desks
Open data observatory

Source records move through market definitions, concentration calculations, confidence labels, and public data endpoints — 45 source records, 12 market profiles, 235808 record rows plus a 1 row summary endpoint across 62 API endpoints.

Source-to-API route

Trace public records into reusable data.

Source records flow into market profiles, metrics, and public API endpointsInspectable data routes show source records moving through market definitions and concentration metrics into public data endpoints.Sources45 recordsMarkets12 profilesMetrics8 HHI rowsAPI62 endpoints

Record rows

235,808

Sources

45

Endpoints

62

Aug 15, 2026

Latest source review

62

Dataset families

4

Source types

Public data access

Use the observatory data directly.

Public-interest exploration needs the underlying data to be inspectable. These JSON and CSV endpoints expose the same public records that power profiles, rankings, reports, and the evidence ledger.

Active query packet

Observatory summary routes to 1 row with JSON, CSV, notebook, and citation reuse.

Route 100%Observatory-wide

Counts, freshness, endpoint catalog, and public-data coverage.

/api/public/summary

62

Datasets

Aug 2026

Freshness

Dataset finder

62/62

summary row

1

Source scope

all sources

Report scope

all reports

Active endpoint

summary

DatasetsChoose dataset
62 of 62 dataset families

Selected dataset

Observatory summary

Top-level observatory counts, update window, endpoint list, and public-data coverage indicators.

Endpoint rows

1

Scope

All observatory records

dataset rows

1

endpoint rows

1

summary row

1

source

all

report

all

fields

118

Summary endpoint is observatory-wide.

Summary endpoint is observatory-wide.

Summary endpoint is observatory-wide.

Open JSON Download CSV

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.

Public Data | Antitrust Radar