KOYJ Co

KOYJ Co ROE

Delisted·Sep 14, 2026

The Return on Equity (ROE) of KOYJ Co (121850.KQ) as of Oct 15, 2026 is -921.80 %. In the previous year, Return on Equity (ROE) was -21.61 % — a change of 4,166.61% (lower).

ROE

-921.80 %

YoY

4,166.61%

Last updated:

In 2025, KOYJ Co's return on equity (ROE) was -921.80 %, a 4,166.61% increase from the -21.61 % ROE in the previous year.

The KOYJ Co ROE history

  • 3 Years

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  • Max

ROE
Date
ROE
Jan 1, 2018
-51.42 KRW
Jan 1, 2019
-0.19 KRW
Jan 1, 2020
-15.32 KRW
Jan 1, 2021
-296.16 KRW
Jan 1, 2022
-46.88 KRW
Jan 1, 2023
-29.59 KRW
Jan 1, 2024
-21.61 KRW
Jan 1, 2025
-921.80 KRW
The KOYJ Co ROE history
YEARROEYoY
-921.80 %+4,166.61%
-21.61 %-26.98%
-29.59 %-36.89%
-46.88 %-84.17%
-296.16 %+1,833.67%
-15.32 %+7,918.87%
-0.19 %-99.63%
-51.42 %+22.13%
-42.10 %-937.62%
5.03 %-156.20%
-8.94 %+468.64%
-1.57 %—

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KOYJ Co Stock analysis

What does KOYJ Co do? KOYJ Co Ltd, identified by the ticker symbol 121850.KQ and ISIN KR7121850002, is a specialized manufacturer operating within the Materials sector, specifically in the Chemicals industry. Headquartered in Chungju, South Korea, the company focuses on the production and sale of light crystal display optical part components. With a workforce of 63 employees, KOYJ has established itself as a niche player in the supply chain for display technology, providing essential optical materials that enhance the performance and durability of liquid crystal displays. The company officially entered the public markets with an initial public offering on September 27, 2012, marking a significant milestone in its corporate development and allowing it to access broader capital resources for operational expansion and research initiatives. The business operations of KOYJ Co Ltd are structured around three distinct and specialized divisions, each addressing a critical aspect of optical component manufacturing. The optical film coating division is responsible for the creation of high-performance optical functional films, hard coating films, adhesive protection films, and cushion sheets. These products are vital for protecting sensitive display surfaces while maintaining optical clarity and structural integrity. The light guide plates division produces light guide plates specifically designed for use in LCD technology. These components are fundamental in directing and distributing light evenly across the display panel, ensuring consistent brightness and visual quality for end-users. The third operational unit, the protection film division, manufactures protection films tailored for LCD panels. These films serve as a crucial barrier against physical damage, scratches, and environmental contaminants during both the manufacturing process and the product's lifecycle. KOYJ Co Ltd distributes its diverse range of optical components to both domestic markets within South Korea and international overseas markets. This dual-market approach allows the company to mitigate regional economic risks and tap into the growing global demand for high-quality display components. By maintaining a focused strategy on optical films and related accessories, KOYJ continues to support the broader electronics industry with reliable and technologically advanced materials. The company's website, http://www.koyj.co.kr/, serves as a primary resource for stakeholders seeking further information on its product specifications, corporate governance, and market presence. Despite its relatively small employee base, KOYJ leverages specialized expertise to meet the precise requirements of the optical display sector, contributing to the efficiency and quality of modern electronic devices. KOYJ Co is one of the most popular companies on Eulerpool.

ROE Details

Decoding KOYJ Co's Return on Equity (ROE)

KOYJ Co's Return on Equity (ROE) is a fundamental metric evaluating the company's profitability relative to its equity. Calculated by dividing net income by shareholder's equity, ROE illustrates how effectively the company is generating profits from shareholders’ investments. A higher ROE represents enhanced efficiency and profitability.

Year-to-Year Comparison

Analyzing KOYJ Co's ROE on a yearly basis aids in tracking its profitability trends and financial performance. An increasing ROE suggests enhanced profitability and value generation for shareholders, whereas a declining ROE may indicate issues in profit generation or equity management.

Impact on Investments

KOYJ Co's ROE is instrumental for investors assessing the company's profitability, efficiency, and investment attractiveness. A robust ROE indicates the firm’s adeptness at converting equity investments into profits, thereby enhancing its appeal to potential and current investors.

Interpreting ROE Fluctuations

Changes in KOYJ Co’s ROE can emanate from variations in net income, equity capital, or both. These fluctuations are scrutinized to evaluate management’s effectiveness, financial strategies, and the inherent risks and opportunities, aiding investors in making informed decisions.

Frequently Asked Questions about KOYJ Co stock

Return on Equity (ROE) of KOYJ Co is -921.80 % in 2025.

Return on Equity (ROE) of KOYJ Co changed from -21.61 % to -921.80 %, representing a 4,166.61% change. The value is lower than the previous year.

On Eulerpool you can find the complete historical development of Return on Equity (ROE) KOYJ Co since 2006 – with annual values, charts, and detailed analysis.

A 'good' varies by industry and company stage. On Eulerpool, you can compare Return on Equity (ROE)'s KOYJ Co with sector peers and the industry average to assess whether it is attractive.

To evaluate Return on Equity (ROE)'s, it is essential to compare it with peers in the same industry and sector. On Eulerpool, you can find direct industry comparisons for Return on Equity (ROE).

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Profitability — KOYJ Co

All Key Metrics — KOYJ Co