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Shian Yih Electronic Industry Co (3531) Fair Value & Analysis

Technology · TW · Market cap 1.4B TWD

Price22.65 TWD
Fair Value33.14 TWD
Upside+46.3%
Quality94/100
Evidence: High Range 29.40 TWD – 36.89 TWD

Fair value as of: Jun 24, 2026

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Analysis

Shian Yih Electronic Industry Co (3531) currently trades at 22.65 TWD, while our model-based Fair Value estimate is 33.14 TWD — implying the stock looks roughly 46.3% undervalued today. We read business quality at 94/100 (high quality), in the Technology sector. Bull case: trading below our estimate, it may offer upside if the fundamentals hold. Bear case: a low price can be a value trap when quality is weak or the data is thin (evidence: high) — always confirm before acting.

About the company

Shian Yih Electronic Industry Co.,Ltd, together with its subsidiaries, manufactures and sells of back light modules in Taiwan, China, Japan, the United States, and internationally. It provides small to medium size LED back light modules for automotive, tablets, and watches; light guide films; motorcycle and vehicle LED headlight modules; precision injection molds for electronic housing, mobile phones and MP4, microphone, and car and navigation system backlight housing. The company also offers plastic products, including plastic frames, light guide plates, precision plastic parts, molds, mold design and manufacturing, and other products. Shian Yih Electronic Industry Co.,Ltd was incorporated in 1979 and is headquartered in Taichung, Taiwan.

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Frequently asked questions

Is Shian Yih Electronic Industry Co (3531) undervalued?
As of Jun 24, 2026, our model estimates a fair value of 33.14 TWD versus a price of 22.65 TWD — about +46% (undervalued). Model-based estimate, not financial advice.
What is the fair value of 3531?
Our 21-model fair value for Shian Yih Electronic Industry Co is 33.14 TWD (as of Jun 24, 2026), built from audited fundamentals. The current price is 22.65 TWD.
What is the quality score of 3531?
Shian Yih Electronic Industry Co has a Quality Score of 94/100, 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.