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Bitcoin Fear and Greed Index

Chrome extension by Proof of Work Technology LLC · Productivity · Tools

A Chrome extension in Productivity · Tools with 27 users, barely installed. Audience over the last 30 days: +3.

Specific sites only: 1 match pattern.

What the developer says, and 4 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
27
Rating
5.0 (1 ratings)
Users, last 30 days
+3
Rating, last 30 days
Steady over 30 days
Version
1.0.0
Updated in the store
2025-10-23
Published
2025-10-23
Manifest
V3
Browser access
3 permissions, 1 site pattern

How it has moved

Users
+3 since 01.10
24-28 · 11 readings
  1. 2026-10-0428
  2. 2026-10-0826
  3. 2026-10-0928
  4. 2026-10-1027
  5. 2026-10-1326
  6. 2026-10-1625
  7. 2026-10-1724
  8. 2026-10-2125
  9. 2026-10-2426
  10. 2026-10-3027
  11. 2026-10-3127
Rating
unchanged since 01.10
reviewsrating 5.00 · 11 readings
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-13reviews1rating5.00
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-17reviews1rating5.00
  8. 2026-10-21reviews1rating5.00
  9. 2026-10-24reviews1rating5.00
  10. 2026-10-30reviews1rating5.00
  11. 2026-10-31reviews1rating5.00
Users
+1 since 31.08
23-28 · 20 readings
  1. 2026-08-3126
  2. 2026-09-0324
  3. 2026-09-0423
  4. 2026-09-0524
  5. 2026-09-0723
  6. 2026-09-0924
  7. 2026-09-1325
  8. 2026-09-1527
  9. 2026-09-2124
  10. 2026-10-0428
  11. 2026-10-0826
  12. 2026-10-0928
  13. 2026-10-1027
  14. 2026-10-1326
  15. 2026-10-1625
  16. 2026-10-1724
  17. 2026-10-2125
  18. 2026-10-2426
  19. 2026-10-3027
  20. 2026-10-3127
Rating
unchanged since 31.08
reviewsrating 5.00 · 20 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-03reviews1rating5.00
  3. 2026-09-04reviews1rating5.00
  4. 2026-09-05reviews1rating5.00
  5. 2026-09-07reviews1rating5.00
  6. 2026-09-09reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
  9. 2026-09-21reviews1rating5.00
  10. 2026-10-04reviews1rating5.00
  11. 2026-10-08reviews1rating5.00
  12. 2026-10-09reviews1rating5.00
  13. 2026-10-10reviews1rating5.00
  14. 2026-10-13reviews1rating5.00
  15. 2026-10-16reviews1rating5.00
  16. 2026-10-17reviews1rating5.00
  17. 2026-10-21reviews1rating5.00
  18. 2026-10-24reviews1rating5.00
  19. 2026-10-30reviews1rating5.00
  20. 2026-10-31reviews1rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 1 match pattern.

  • https://api.alternative.me/

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Proof of Work Technology LLC publishes 4 listings we track, 198 users between them. Listed website: btc21.pages.dev.

  1. Bitcoin Price Ticker - Live BTC in USD Proof of Work Technology LLC · Productivity · Tools · published 2025-10-11 91 users ★ 5.0
  2. Verse of the Day Proof of Work Technology LLC · Make Chrome Yours · Functionality · published 2026-01-01 54 users ★ 5.0
  3. Bitcoin Price Ticker in Brazilian Real Proof of Work Technology LLC · Productivity · Tools · published 2025-09-28 26 users ★ 5.0

Like this one

Listings the catalog judges closest in what they say they do.

  1. Crypto Fear & Greed Index Describes nearly the same job, smaller audience 1k users ★ 4.0
  2. Fear & Greed Index - LIVE from CNN Describes nearly the same job, smaller audience 9 users ★ 5.0
  3. Fear & Greed Index Live Describes nearly the same job, smaller audience 244 users ★ 5.0
  4. bitcoin fear and greed index Describes nearly the same job, smaller audience 25 users
  5. AI Crypto Pulse Describes nearly the same job, smaller audience 3 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built