KOYJ Co

KOYJ Co Book Value per Share

Delisted·Sep 14, 2026

The Book Value per Share of KOYJ Co (121850.KQ) as of Oct 18, 2026 is 328.91 KRW. In the previous year, Book Value per Share was 3,370.44 KRW — a change of -90.24% (lower).

Book Value per Share

328.91KRW

YoY

-90.24%

Last updated:

Book Value per Share of KOYJ Co is 2025 328.91 KRW. Book Value per Share of KOYJ Co was 2024 3,370.44 KRW. It decreases by -90.24% lower compared to the previous year.

The KOYJ Co Book Value per Share history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Book Value per Share
Date
Book Value per Share
Jan 1, 2018
4,258.78 KRW
Jan 1, 2019
5,267.56 KRW
Jan 1, 2020
4,582.37 KRW
Jan 1, 2021
1,238.53 KRW
Jan 1, 2022
5,257.60 KRW
Jan 1, 2023
4,116.12 KRW
Jan 1, 2024
3,370.44 KRW
Jan 1, 2025
328.91 KRW
The KOYJ Co Book Value per Share history
YEARBook Value per ShareYoY
328.91KRW-90.24%
3,370.44KRW-18.12%
4,116.12KRW-21.71%
5,257.60KRW+324.50%
1,238.53KRW-72.97%
4,582.37KRW-13.01%
5,267.56KRW+23.69%
4,258.78KRW-31.17%
6,187.81KRW-24.37%
8,181.52KRW+9.01%
7,505.51KRW-7.97%
8,155.65KRW—

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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.

Frequently Asked Questions about KOYJ Co stock

Book Value per Share of KOYJ Co is 328.91 KRW in 2025.

Book Value per Share of KOYJ Co changed from 3,370.44 KRW to 328.91 KRW, representing a -90.24% change. The value is lower than the previous year.

On Eulerpool you can find the complete historical development of Book Value per Share KOYJ Co since 2006 – with annual values, charts, and detailed analysis.

Book value per share represents the net asset value of the company per outstanding share. Comparing it to the stock price helps assess whether a stock is undervalued.

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Balance Sheet — KOYJ Co

All Key Metrics — KOYJ Co