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楽天証券 利益率カラム icon

楽天証券 利益率カラム Chrome Extension Analysis

Niche Lifestyle & Gaming Hacks

Chrome extension ID: lfkfhhhjggomhdbfglefmoidhioadalb

This tool automatically calculates and injects a profit margin column into the Rakuten Securities home screen asset table. It performs calculations locally within the browser based on displayed valuation data and color-codes results to show performance trends.

Developer:kazukichi
Version:1.0.0
Size:805KiB
Last updated:
View developer profile
External:Chrome Web StoreOfficial website

Overview

Installs

3

Rating

★ —

0 reviews

Languages

1 locales

Includes 日本語

Market analysis

Review-backed positioning, friction, and market signals for this Chrome extension.

No review samples found

Macro category

Niche Lifestyle & Gaming Hacks

Pricing friction

Low review signal

Complaint intensity

Low review signal

Listing & review signals
Observed signals from store listing text and review samples.

Listing positioning

The extension positions itself as a utility that enhances the Rakuten Securities dashboard by adding a profit margin column to asset tables. It targets investors seeking immediate visual performance indicators for their holdings.

Inferred product pattern

Single-purpose web page DOM manipulator for financial UI enhancement.

Review-backed pain points

Review-backed data is not available.

Observed feature gaps

The developer explicitly notes that the tool does not account for taxes, commissions, or exact acquisition costs, limiting it to a reference calculation based on screen data.

Tags
Rakuten SecuritiesInvestment ToolFinancial Calculator
Target users

- Rakuten Securities users

- Individual stock investors

Primary use cases

- Calculating real-time investment profit margins

- Visualizing investment portfolio performance

Positive themes

No positive theme data.

Negative themes

No negative theme data.

Observed friction

- None; the tool is a free, unofficial enhancement.

Evidence boundary: Evidence is derived solely from the provided store listing and feature description as no user reviews are available. The analysis is based exclusively on developer-provided information; lack of user reviews prevents verification of real-world functionality or stability.
Complaint summaries
Review-backed complaint signals grouped by operational area.

Support

No support or account-related complaints reported.

Reliability

No reliability complaints reported; the developer notes potential breakage if the target website updates its design.

Privacy

None; the listing emphasizes local computation and no external data transmission.

Access & pricing

- Free usage observed

- No account requirement observed

- Free plan or free usage claimed

Store listing facts

Listing assets

- Screenshots: 1

- Videos: 0

- Languages: 1

Trust signals

- Privacy policy

- Developer contact

- Official website

Store metadata

- Version: 1.0.0

- Size: 805KiB

- Last updated:

Listing SEO keywords

Search intent keywords
Keyword signals for evaluating how users may discover, compare, or search for this extension category.

Core discovery

Rakuten Securities profit marginRakuten Securities extensionInvestment portfolio calculator

Comparison

Rakuten Securities official dashboard

Problem

calculate profit percentageinvestment performance view

Alternative

stock portfolio trackerRakuten Sec tools

Similar extensions

Jump to related discovery paths:

More in developerMore from this developer

Screenshots

楽天証券 利益率カラム screenshot

Links

Website: kazukichi0914.hatenablog.com

Privacy policy: https://kazukichi0914.hatenablog.com/entry/1987/09/14/220000

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