Public data distribution

Bulk Data Library

Download the full tables as CSV or JSON. Each file comes with its column definitions, coverage, and source so it makes sense outside the site.

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Endpoint families: 628 research domains
Downloadable rows: 235,809current encoded tables
Declared fields: 1,483across all schemas
Open formats: 2JSON and CSV

Schema-volume field62 endpoint families

point size follows current row volumeReviewed through Aug 15, 2026

Full tableEach route returns the complete current endpoint unless filters are added.

Schema firstDeclared fields and a real sample row stay visible before download.

Current snapshotReview dates and measurement vintages remain separate contracts.

Audit release dates

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Take the observatory’s public tables with you.

Filter the endpoint inventory, inspect the declared schema and sample row, then download the full current JSON or CSV table.

DomainVolumeSort

Datasets: 62of 62
Rows: 235,809current tables
Fields: 1,483declared columns
Domains: 8visible systems

Observatory system

7 datasets

33,906 rows

Economy and prices

10 datasets

176,249 rows

Markets

6 datasets

238 rows

Organizations

4 datasets

265 rows

Policy and mergers

12 datasets

12,222 rows

Geographies

4 datasets

3,293 rows

Industries

7 datasets

9,205 rows

Research and sources

12 datasets

431 rows

Markets / small

Market profiles

Profile-level market definitions, exact concentration measures, source custody, and deterministic public-interest briefs that keep structure, change, evidence gaps, and action questions separate.

Full public endpointJSON and CSV use the same current row contract

Rows: 12
Fields: 38
Formats: JSON / CSV
License: CC BY 4.0

Declared schema

38 fields

idslugnameshortNamegeographysectordataVintagenaicsCodeindustryHrefcrosswalkHreflatestHhiconcentrationClasscr4topFirmSharehhiAtOrAbove2500hhiDisclosureGapdataStatusconfidenceLevelsourceCountpolicySourceCountpolicyEventCountreportCountbriefHeadlinebriefStructurebriefChangebriefEvidencebriefQuestionbriefActionbriefActionLevelbriefEvidenceStatebriefComparisonMetricbriefComparisonDirectionbriefComparisonDeltabriefComparisonFromYearbriefComparisonToYearbriefSourceIdsbriefHrefbriefGuardrail

Sample row

Trace lineage

{
  "slug": "us-mobile-wireless-service",
  "sector": "Telecommunications",
  "latestHhi": 3550,
  "hhiAtOrAbove2500": true,
  "hhiDisclosureGap": false,
  "briefAction": "Track roll-ups, serial acquisitions, vertical restraints, and remedy compliance before concentration hardens further.",
  "briefActionLevel": "Immediate review",
  "briefChange": "HHI rose by 444 points from 2017 to 2023, moving from 3,106 to 3,550.",
  "briefComparisonDelta": 444,
  "briefComparisonDirection": "increased",
  "briefComparisonFromYear": 2017,
  "briefComparisonMetric": "hhi",
  "briefComparisonToYear": 2023,
  "briefEvidence": "2 records in the evidence custody chain, 0 latest share rows, 2 linked official records, and 2 related briefs support this profile. Status is verified with high confidence.",
  "briefEvidenceState": "measured_hhi",
  "briefGuardrail": "This brief summarizes the observatory's published market screen. It does not define a legal antitrust market, establish market power, identify anticompetitive conduct, estimate consumer harm, or convert descriptive concentration into a causal claim.",
  "briefHeadline": "Wireless service: highly concentrated, with observed HHI up 444 points.",
  "briefHref": "/markets/us-mobile-wireless-service#overview",
  "briefQuestion": "How does the published concentration screen vary across relevant geographic markets, customer groups, and later source releases?",
  "briefSourceIds": "fcc-2024-cmr|doj-tmobile-sprint-settlement-2019",
  "briefStructure": "The latest 2023 screen reports HHI 3,550, classified as highly concentrated."
}

This catalog describes the observatory's current public endpoint inventory. Row counts are current encoded rows, not historical additions; fields describe the published response contract, not a guarantee that every value is non-null. Source-review dates and measurement periods remain documented in the release and availability desks.

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