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米国株版銘柄チェッカー

Chrome extension by Takehiko OGASAWARA · Productivity · Tools

A Chrome extension in Productivity · Tools with 57 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

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

Users
57
Rating
not rated yet
Users, last 19 days
+3
Version
0.4.2
Updated in the store
2026-08-31
Published
2026-01-08
Manifest
V3
Browser access
4 permissions

How it has moved

Users
+3 since 31.08
54-60 · 10 readings
  1. 2026-08-3154
  2. 2026-09-0256
  3. 2026-09-0657
  4. 2026-09-0755
  5. 2026-09-0856
  6. 2026-09-1057
  7. 2026-09-1356
  8. 2026-09-1560
  9. 2026-09-1757
  10. 2026-09-1857
Users
+3 since 31.08
54-60 · 10 readings
  1. 2026-08-3154
  2. 2026-09-0256
  3. 2026-09-0657
  4. 2026-09-0755
  5. 2026-09-0856
  6. 2026-09-1057
  7. 2026-09-1356
  8. 2026-09-1560
  9. 2026-09-1757
  10. 2026-09-1857

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

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

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

The publisher

Takehiko OGASAWARA publishes 2 listings we track, 291 users between them.

  1. 日本株/米国株 銘柄チェッカー Takehiko OGASAWARA · Productivity · Tools · published 2026-03-14 234 users ★ 5.0

Like this one

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

  1. 日本株/米国株 銘柄チェッカー Describes nearly the same job, smaller audience 234 users ★ 5.0
  2. US Stock Tracker Describes a related job, smaller audience 5 users
  3. Open in MarketSnap Describes a related job audience not published
  4. SesS - Instant Stock Info While Browsing (Browse... Assess... Invest) Describes a related job, smaller audience 7 users ★ 5.0
  5. Ticker Alpha Describes a related job, smaller audience 7 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.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.