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KOYJ Co (121850) Fair Value & Analysis

Basic Materials · KR · Market cap 8.4B KRW

Price1,622 KRW
Fair Value710.77 KRW
Upside-56.2%
Quality95/100
Evidence: Low Range 533.08 KRW – 888.46 KRW

Fair value as of: Jun 24, 2026

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Analysis

KOYJ Co (121850) currently trades at 1,622 KRW, while our model-based Fair Value estimate is 710.77 KRW — implying the stock looks roughly 56.2% overvalued today. We read business quality at 95/100 (high quality), in the Basic Materials sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium — the entry price still matters most (evidence: low).

About the company

KOYJ Co., Ltd. manufactures and sells composite optical films and materials in South Korea. It offers liquid crystal protection films and backlight components; chemi-tronics products, such as silicone materials, nano metal-oxide, and semiconductor/display products; and 3D smart casting solutions, including ceramic mold sandcasts, 3D smart mold conformal cooling systems, and bottle product parts, as well as engages in 3D precision processing activities. The company was founded in 2006 and is headquartered in Chungju-si, South Korea.

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Frequently asked questions

Is KOYJ Co (121850) undervalued?
As of Jun 24, 2026, our model estimates a fair value of 710.77 KRW versus a price of 1,622 KRW — about −56% (overvalued). Model-based estimate, not financial advice.
What is the fair value of 121850?
Our 21-model fair value for KOYJ Co is 710.77 KRW (as of Jun 24, 2026), built from audited fundamentals. The current price is 1,622 KRW.
What is the quality score of 121850?
KOYJ Co has a Quality Score of 95/100, measuring profitability, growth and balance-sheet strength from non-valuation factors.

How we calculate Fair Value

Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data — nothing guessed.

Educational research only · not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.