Public competition desk

U.S. competition observatory

A one-page view of concentration across markets, where the evidence is missing, and which firms are connected. Use the underlying sources to investigate questions, not to infer a legal violation from a score.

2 markets45 sources0 HHI gaps

Observatory indexChoose the evidence universe

4 public domains

Research desk

See who holds markets and where

Read firm-share structure beside state conditions, sector signals, and auditable market rows.

2in view1filters2sources

Refine market sliceSector, geography, concentration, vintage, status, and confidence1 active2 in view

Cross-system state atlas

Two markets, one geography, no composite score.

Compare individual-insurance concentration with a reproducible statewide FDIC branch-deposit screen, then inspect the exact state record behind either layer.

Systems: 2
States: 51
Rows: 102
Sources: 2

Paired relationship plane

Insurance HHI x statewide bank-deposit HHI

Selected jurisdictionDelawareDEPaired readingsInsurance 5,925Banking 4,967Evidence handoffSouthInspector active

MidwestNortheastSouthWestPearson r 0.247 / descriptive only

5Both above31Insurance only0Banking only15Both below

Threshold cohort / 5 jurisdictions

Both systems above 2,500

Threshold-defined cohort in alphabetical order; both exact readings remain separate and are not combined.

Selected jurisdiction / South

Delaware

DE / two bounded systems

FDIC / 2025

Bank-deposit HHI

4,967#1 / 51

Highly concentrated statewide deposit screen.

Leading holder: 67.8%
Deposits: $538.5B
Organizations: 30
Branches: 217

Largest reported holder: Capital One Financial Corporation

KFF / 2024

Individual-insurance HHI

5,925#4 / 51

Leader 75% / 3 insurers above 5%.

Open state evidence profile

FDIC dossier KFF dossier

FDIC source KFF source

Sector priority board

Where concentration becomes policy work

Sectors are ranked by public HHI signals, data completeness, and the next public-interest action needed to keep markets fair.

Sectors

Profiles

Review

Gaps

Telecommunications

2 market profiles

Priority review

2,526

Avg HHI

High

Gaps

HHI intensity2,526

Profile coverage2

Public action

Prioritize agency review

High concentration should move toward agency questions and remedy review.

Focus this sector

Markets at a glance

Only sourced metrics are shown in ranking views.

Each row is a public evidence packet: exact metrics, source status, data freshness, action cue, and a machine-readable route. No composite score is used; signal basis lists the published metric flags behind each cue.

ranked rows

high concern

data gaps

source-backed

Rank	Market	HHI	CR4	Top firm	Class	Signal basis	Evidence	Action
1	U.S. mobile wireless service Telecommunications · United States 1 source	3,550	N/A	N/A	Highly concentrated	HHI >= 2,500 HHI +444 since 2017	Verified Federal Communications Commission Reviewed May 16, 2026 Open rows	Investigate Probe entry barriers, switching costs, pricing, and remedies.
2	U.S. residential fixed broadband access Telecommunications · United States / separately reported state, county, and census-tract summaries 1 source	1,501	N/A	N/A	Moderately concentrated	HHI +330 since 2020	Verified Federal Communications Commission Reviewed Jul 21, 2026 Open rows	Monitor Watch consolidation before public data goes stale.

Rank

Market

HHI

CR4

Top firm

Class

Signal basis

Evidence

Action

U.S. mobile wireless service

Telecommunications · United States

1 source

3,550

N/A

Highly concentrated

HHI >= 2,500
HHI +444 since 2017

Verified

Federal Communications Commission

Reviewed May 16, 2026

Open rows

Investigate

Probe entry barriers, switching costs, pricing, and remedies.

U.S. residential fixed broadband access

Telecommunications · United States / separately reported state, county, and census-tract summaries

1 source

1,501

N/A

Moderately concentrated

HHI +330 since 2020

Verified

Federal Communications Commission

Reviewed Jul 21, 2026

Open rows

Monitor

Watch consolidation before public data goes stale.

#1 · Telecommunications

U.S. mobile wireless service

United States

HHI

3,550

CR4

N/A

Top firm

N/A

Signal basis

HHI >= 2,500
HHI +444 since 2017

Highly concentratedVerified metricInvestigate

Federal Communications Commission

1 source · reviewed May 16, 2026

Probe entry barriers, switching costs, pricing, and remedies.

Profile

Reuse evidenceCite · API · files

JSON CSV

#2 · Telecommunications

U.S. residential fixed broadband access

United States / separately reported state, county, and census-tract summaries

HHI

1,501

CR4

N/A

Top firm

N/A

Signal basis

HHI +330 since 2020

Moderately concentratedVerified metricMonitor

Federal Communications Commission

1 source · reviewed Jul 21, 2026

Watch consolidation before public data goes stale.

Profile

Reuse evidenceCite · API · files

JSON CSV