STI Co (039440) Fair Value & Analysis
Technology · KR · Market cap 466B 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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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.