Antitrust Radar
Competition InsightsAR-CI-2026-01 / Domain readout

Defined markets / dispatch 01

Latest market-structure signals moved in both directions.

Fifteen HHI, CR4, and leading-share comparisons preserve their own product boundary, denominator, source, and observed interval.
Current readout8 up / 7 down
Exact signals
15
definition-stable signals
Entities
7
within declared frames
Public sources
7
linked custody rows
Latest anchor
2026
intervals vary
8 increased 7 decreased

Interpretation boundaryThe direction count is an inventory, not a vote about competition. HHI points, CR4 points, and leading-share points across different products and periods are not pooled or ranked.

Evidence standard

Evidence reading

What the current rows establish.

3 bounded findings / 15 exact signals
  1. 01

    The current market field is split.

    Across 15 exact latest-to-prior rows, 8 increased, 7 decreased. The count says only how many bounded comparisons point each way.

    15 supporting signals
  2. 02

    Digital usage screens diverged.

    Social referrals moved from 3,804 in 2025 to 4,995 in 2026 (+1,191.0 HHI points). Search engines moved from 7,589 in 2025 to 7,359 in 2026 (-230.0 HHI points). Mobile operating systems moved from 5,094 in 2025 to 5,337 in 2026 (+243.0 HHI points). Browsers moved from 3,720 in 2025 to 3,612 in 2026 (-108.0 HHI points). Each usage system has a separate denominator and remains analytically independent.

    4 supporting signals
  3. 03

    Other market intervals use different clocks.

    Beef meatpacking moved from 81.0% in 1995 to 85.0% in 2019 (+4.00 percentage points). Fixed broadband moved from 1,195 in 2023 to 1,501 in 2024 (+306.0 HHI points). Wireless service moved from 3,596 in 2021 to 3,550 in 2023 (-46.0 HHI points). Their unequal intervals are displayed, not annualized.

    3 supporting signals

Exact comparisons

Inspect every prior and latest anchor.

Observed change fieldEach row retains its own unit and scale
  1. Beef meatpackingCR4199581.000%201985.000%+4.000 ppIncrease
  2. BrowsersCR4202593.610%202693.760%+0.150 ppIncrease
  3. BrowsersHHI20253,72020263,612-108 HHIDecrease
  4. BrowsersLeader share202552.320%202650.030%-2.290 ppDecrease
  5. Fixed broadbandHHI20231,19520241,501+306 HHIIncrease
  6. Mobile operating systemsCR4202599.960%2026100.000%+0.040 ppIncrease
  7. Mobile operating systemsHHI20255,09420265,337+243 HHIIncrease
  8. Mobile operating systemsLeader share202557.600%202663.080%+5.480 ppIncrease
  9. Search enginesCR4202599.410%202699.390%-0.020 ppDecrease
  10. Search enginesHHI20257,58920267,359-230 HHIDecrease
  11. Search enginesLeader share202586.710%202685.160%-1.550 ppDecrease
  12. Social referralsCR4202595.090%202694.380%-0.710 ppDecrease
  13. Social referralsHHI20253,80420264,995+1,191 HHIIncrease
  14. Social referralsLeader share202557.450%202668.940%+11.490 ppIncrease
  15. Wireless serviceHHI20213,59620233,550-46 HHIDecrease

Analysis lab

Open the bounded instruments behind this dispatch.

4 declared routes / 15 signals
  1. 01

    VizBuilder figure

    Five-market HHI release field

    Browser, fixed broadband, mobile OS, search, and social-referral HHI across observed releases.The mobile-wireless HHI series and every non-HHI measure remain in their own ledger routes.
  2. 02

    VizBuilder figure

    Top-four concentration field

    Meatpacking and four digital usage systems on the common CR4 display scale.A common axis does not make the product definitions, release clocks, or denominators interchangeable.
  3. 03

    Exact relationship

    Digital HHI and leader-share paths

    Four digital systems traced through exact same-release HHI and leading-share pairs.Leader share is one mechanical component of HHI; the path does not establish dominance or causation.
  4. 04

    Source workspace

    Complete market source workbench

    All 15 HHI, CR4, and leading-share signals with their own definitions and release intervals.This is the complete dispatch inventory, not a pooled market ranking or composite score.

Evidence ledger

Values, custody, and continuation routes.

Scroll horizontally to inspect all columns.
Market change field signal membership table. Values retain their source unit and period basis.
Entity / metricPriorLatestChangeSourceContinue
Beef meatpackingFour-participant concentration ratio81.000%199585.000%2019+4.000 ppIncreaseU.S. Department of Agriculture Economic Research Serviceusda-ers-meatpacking-2024
VizBuilder Source system
BrowsersFour-participant concentration ratio93.610%202593.760%2026+0.150 ppIncreaseStatCounter Global Statsstatcounter-browser-us-2026
VizBuilder Source system
BrowsersHerfindahl-Hirschman Index3,72020253,6122026-108 HHIDecreaseStatCounter Global Statsstatcounter-browser-us-2026
VizBuilder Source system
BrowsersLeading-participant share52.320%202550.030%2026-2.290 ppDecreaseStatCounter Global Statsstatcounter-browser-us-2026
VizBuilder Source system
Fixed broadbandHerfindahl-Hirschman Index1,19520231,5012024+306 HHIIncreaseFederal Communications Commissionfcc-internet-access-dec-2024
VizBuilder Source system
Mobile operating systemsFour-participant concentration ratio99.960%2025100.000%2026+0.040 ppIncreaseStatCounter Global Statsstatcounter-mobile-os-us-2026
VizBuilder Source system
Mobile operating systemsHerfindahl-Hirschman Index5,09420255,3372026+243 HHIIncreaseStatCounter Global Statsstatcounter-mobile-os-us-2026
VizBuilder Source system
Mobile operating systemsLeading-participant share57.600%202563.080%2026+5.480 ppIncreaseStatCounter Global Statsstatcounter-mobile-os-us-2026
VizBuilder Source system
Search enginesFour-participant concentration ratio99.410%202599.390%2026-0.020 ppDecreaseStatCounter Global Statsstatcounter-search-us-2026
VizBuilder Source system
Search enginesHerfindahl-Hirschman Index7,58920257,3592026-230 HHIDecreaseStatCounter Global Statsstatcounter-search-us-2026
VizBuilder Source system
Search enginesLeading-participant share86.710%202585.160%2026-1.550 ppDecreaseStatCounter Global Statsstatcounter-search-us-2026
VizBuilder Source system
Social referralsFour-participant concentration ratio95.090%202594.380%2026-0.710 ppDecreaseStatCounter Global Statsstatcounter-social-referral-us-2026
VizBuilder Source system
Social referralsHerfindahl-Hirschman Index3,80420254,9952026+1,191 HHIIncreaseStatCounter Global Statsstatcounter-social-referral-us-2026
VizBuilder Source system
Social referralsLeading-participant share57.450%202568.940%2026+11.490 ppIncreaseStatCounter Global Statsstatcounter-social-referral-us-2026
VizBuilder Source system
Wireless serviceHerfindahl-Hirschman Index3,59620213,5502023-46 HHIDecreaseFederal Communications Commissionfcc-2024-cmr
VizBuilder Source system

Research handoff

The dispatch ends where investigation should begin.

Which entry, exit, share, switching, price, quality, capacity, or transaction records can explain each movement inside its exact market boundary?
  1. Beef meatpackingWhich participant-share changes account for the structural movement, and are the denominator and coverage stable across both anchors?
  2. BrowsersWhich participant-share changes account for the structural movement, and are the denominator and coverage stable across both anchors?
  3. BrowsersWhich entry, exit, share, switching, price, quality, or capacity evidence can explain the movement inside this exact market boundary?
  4. BrowsersWhich participant-share changes account for the structural movement, and are the denominator and coverage stable across both anchors?

Source custody

Public records behind this dispatch.

7 sources
  1. 01
    Internet Access Services: Status as of December 31 2024Federal Communications Commission / accessed July 21, 2026
    Source dossier
  2. 02
    Mobile operating system market share in United States of America, April 2023-April 2026StatCounter Global Stats / accessed July 20, 2026
    Source dossier
  3. 03
    Social media referral share in United States of America, April 2023-April 2026StatCounter Global Stats / accessed July 20, 2026
    Source dossier
  4. 04
    Concentration in U.S. Meatpacking Industry and How It Affects Competition and Cattle PricesU.S. Department of Agriculture Economic Research Service / accessed July 19, 2026
    Source dossier
  5. 05
    Browser market share in United States of America, April 2023-April 2026StatCounter Global Stats / accessed July 17, 2026
    Source dossier
  6. 06
    Search engine market share in United States of America, April 2023-April 2026StatCounter Global Stats / accessed July 17, 2026
    Source dossier
  7. 07
    2024 Communications Marketplace ReportFederal Communications Commission / accessed May 16, 2026
    Source dossier

Publication record

Cite this dispatch as a versioned research object.

current edition
Competition InsightsAR-CI-2026-01Version 1.0
Author
Antitrust Radar Research Team
Published
Updated
Sources checked
Antitrust Radar Research Team. (2026, August 12). Latest market-structure signals moved in both directions.. Competition Insights, AR-CI-2026-01 (Version 1.0). Antitrust Radar. https://antitrustradar.org/insights/market-structure-change-field
BibTeXRIS