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TacBright Optronics Corporation (6434) Fair Value & Analysis

Basic Materials · TW · Market cap 8.5B TWD

Price18.60 TWD
Fair Value3.68 TWD
Upside-80.2%
Quality95/100
Evidence: Medium Range 2.39 TWD – 4.96 TWD

Fair value as of: Jun 24, 2026

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Analysis

TacBright Optronics Corporation (6434) currently trades at 18.60 TWD, while our model-based Fair Value estimate is 3.68 TWD — implying the stock looks roughly 80.2% 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: medium).

About the company

TacBright Optronics Corporation engages in the research, development, manufacturing, and sales of triacetate cellulose (TAC) films. Its products are used for protective film in liquid crystal displays (LCDs), as well as for sunglasses, photographic equipment filters, anti-glare goggles, car navigation, other polarizing microscopes, and special medical glasses. The company serves LCD polarizer manufacturers in Taiwan, South Korea, Japan, and Mainland China. TacBright Optronics Corporation was founded in 1995 and is based in Miaoli, Taiwan.

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Frequently asked questions

Is TacBright Optronics Corporation (6434) undervalued?
As of Jun 24, 2026, our model estimates a fair value of 3.68 TWD versus a price of 18.60 TWD — about −80% (overvalued). Model-based estimate, not financial advice.
What is the fair value of 6434?
Our 21-model fair value for TacBright Optronics Corporation is 3.68 TWD (as of Jun 24, 2026), built from audited fundamentals. The current price is 18.60 TWD.
What is the quality score of 6434?
TacBright Optronics Corporation 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.