Ruentex Development Co (9945) Fair Value & Analysis
Industrials · TW · Market cap 74.4B TWD
Fair value as of: Jul 23, 2026
From 16 valuation models · updated 17 days ago
Share price +4.9% over the past month.
A solid business, screening 21% undervalued on our models.
What matters now
- The model range is unusually wide (18.97 TWD to 70.61 TWD). The outcome hinges heavily on assumptions, so read the point estimate with caution.
- Solid quality (57/100) at a price below fair value, the discount is the argument here, not the business quality.
Price vs Fair Value (5 years)
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Jul 23, 2026.
How to read this chart
60‑month range 18.56 TWD – 832,123 TWD · fair‑value band 18.97 TWD – 70.61 TWD · the 26.75 TWD price screens below the 32.44 TWD fair value. Dashed = 300-day average. As of Jul 23, 2026.
Analysis
Ruentex Development Co (9945) currently trades at 26.75 TWD, while our model-based Fair Value estimate is 32.44 TWD, implying the stock looks roughly 21.3% undervalued today. The Quality Score stands at 57/100 (solid quality), in the Industrials 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: medium), always confirm before acting.
Over the trailing twelve months, Ruentex Development Co generated revenue of 41.1B TWD at a net margin of 36.4%. Revenue grew 25.5% year over year. It earns a return on equity of 15.4%. Net debt stands at 60.8B TWD. Fundamentals as of Jul 23, 2026
Our scenario range runs from 18.97 TWD (bear case) to 70.61 TWD (bull case); at 26.75 TWD, the current price sits within that range. Bear and bull are the same models run on conservative and optimistic assumptions (margins, growth, valuation multiples), so a plausible valuation range, not a price target. The share trades about 17% below its 52-week high and 17% above its 52-week low, currently below its 200-day average. For context, the median of 10 Industrials peers we cover trades at -45% fair-value upside, at 21%, 9945 screens cheaper than that median.
Fair Value models
Each model estimates fair value its own way; the Fair Value above is the evidence-weighted blend. Evidence (0–100) measures how completely this model’s inputs are available: well-fed models carry more weight in the blend. The spread across models is intentional, each one stresses a different value driver; dividend models, for instance, come out structurally low when payout is small.
All 16 models by family
Widest divergence: Multiples (41.43 TWD) versus Dividend Discount (17.77 TWD). Highest evidence: Growth DCF (80).
Key figures & financial health
More key figures
Figures from reported company fundamentals · as of Jul 23, 2026. TTM = trailing twelve months.
Quality Score breakdown
Of which business quality 55 · Market factors (momentum, volatility) 56
Non-valuation factor families (profitability, growth, cashflow, financial strength, momentum …), each academically grounded. Valuation itself sits in the Fair Value and is deliberately excluded here to avoid double-counting.
About the company
Ruentex Development Co.,Ltd. engages in construction business in Taiwan and internationally. It operates through Construction; Commercial Real Estate; Construction Materials Business; and Other Operating Departments segments.
Full company description
Ruentex Development Co.,Ltd. engages in construction business in Taiwan and internationally. It operates through Construction; Commercial Real Estate; Construction Materials Business; and Other Operating Departments segments. The company involved in the operation of shopping malls, self-operated counters, commercial real estate leasing, residential and building development and sales leasing, and business management consulting; investment business; apartment building management; management of senior housing and buildings; security industry; and construction and civil engineering contracting, as well as the import/export, production, planning, and related electromechanical engineering of precast beams, columns, exterior walls, and other building structural components. It also engages in building materials production and distribution; interior design, construction, and garden landscaping design; commissioning construction companies to build multi-family homes; and selling and renting real estate. The company was formerly known as Ruentex Construction Co., Ltd. and changed its name to Ruentex Development Co., Ltd. in July 2002. Ruentex Development Co.,Ltd. was incorporated in 1977 and is headquartered in Taipei, Taiwan.
Company description, as reported by the company or data provider.
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
Ruentex Development Co reported revenue of 39.3B TWD in FY2025 versus 27.3B TWD in FY2021, a compound +9.6%/yr. Reported net income was 10.7B TWD in FY2025, compounding −11.1%/yr from FY2021.
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Peer Group
Engineering & Construction · 837 stocks
How this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.
Valuation Multiples vs Engineering & Construction median · lower = cheaper
Snowflake
Five quick dimensions, each 0 to 100: VALUE (fair-value potential), FUTURE (revenue growth), PAST (return on equity), HEALTH (low debt), DIVIDEND (yield). Green = this stock, grey = typical sector peer.
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
ESG scores are not available for this stock yet. Values and ESG data are contextual and can differ between providers.
Similar stocks
10 more Engineering & Construction stocks, each showing price versus our Fair Value estimate (as of Jul 23, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Larsen & Toubro Limited LT | ₹3,815 | ₹1,994 | -48% |
| Samsung C&T Corporation 028260 | 346,000 KRW | 268,779 KRW | -22% |
| Hyundai Engineering & Construction Co 000720 | 99,000 KRW | 63,993 KRW | -35% |
| United Integrated Services Co 2404 | 1,250 TWD | 925.62 TWD | -26% |
| Samsung E&A Co 028050 | 42,550 KRW | 44,840 KRW | +5% |
| Rail Vikas Nigam Limited RVNL | ₹232.67 | ₹61.46 | -74% |
| Daewoo Engineering & Construction Co 047040 | 16,240 KRW | 6,507 KRW | -60% |
| NBCC (India) Limited NBCC | ₹96.32 | ₹48.22 | -50% |
| Cemindia Projects Limited CEMPRO | ₹1,330 | ₹730.69 | -45% |
| KEPCO Engineering & Construction Company 052690 | 92,700 KRW | 20,172 KRW | -78% |
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Frequently asked questions
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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.
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