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STI Co (039440) Fair Value & Analysis

Technology · KR · Market cap 466B KRW

Price26,200 KRW
Fair Value19,715 KRW
Upside-24.8%
Quality95/100
Evidence: High Range 13,111 KRW – 26,155 KRW

Fair value as of: Jun 24, 2026

Analysis

STI Co (039440) currently trades at 26,200 KRW, while our model-based Fair Value estimate is 19,715 KRW — implying the stock looks roughly 24.8% overvalued today. We read business quality at 95/100 (high quality), in the Technology 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: high).

About the company

STI Co., Ltd. operates in the semiconductor equipment industry in Korea. Its products include central chemical supply systems, slurry mixing and systems, and chemical mixing / dilution system for mixing or dilution, and supply of TMAH, KOH, HF, NH4OH, and SC-1. The company offers wet station products, including initial, pre-depo, pre photo, and ITO; cassette cleaners, developers, glass slimming systems, strippers, etchers, after glass grinding cleaners, and photo mask developers; and fine metal, screen mask, and back side glass cleaners. In addition, it provides inkjet printing system; and reflow and wet blast systems. STI Co., Ltd. was founded in 1997 and is headquartered in Anseong-si, South Korea.

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Frequently asked questions

Is STI Co (039440) undervalued?
As of Jun 24, 2026, our model estimates a fair value of 19,715 KRW versus a price of 26,200 KRW — about −25% (overvalued). Model-based estimate, not financial advice.
What is the fair value of 039440?
Our 21-model fair value for STI Co is 19,715 KRW (as of Jun 24, 2026), built from audited fundamentals. The current price is 26,200 KRW.
What is the quality score of 039440?
STI 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.