8431 (8431) Fair Value & Analysis

Industrials · Market cap HK$409M

8 8431 8431 · HK

PriceHK$1.78

Fair ValueHK$0.1800

Upside-89.9%

Quality54/100

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Evidence: High Range HK$0.1300 – HK$0.2200

Fair value as of: Jul 3, 2026

From 15 valuation models · updated today

Share price +49.6% over the past month.

Price vs Fair Value (12 months)

12‑month range HK$0.1414 – HK$1.88 · fair‑value band HK$0.1300 – HK$0.2200 · the HK$1.78 price screens above the HK$0.1800 fair value. As of Jul 3, 2026.

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Analysis

8431 (8431) currently trades at HK$1.78, while our model-based Fair Value estimate is HK$0.1800 — implying the stock looks roughly 89.9% overvalued today. We read business quality at 54/100 (solid quality), in the Industrials 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).

Over the trailing twelve months, 8431 generated revenue of HK$41.2M at a net margin of -29.6%. Revenue declined 50.5% year over year. Net debt stands at HK$3.8M. Fundamentals as of Jul 3, 2026

Key figures & financial health

Revenue (TTM) HK$41.2M

Revenue growth (YoY) -50.5%

Net margin -29.6%

Return on equity -111%

Free cash flow HK$10.1M FY2025

Operating margin -36.0%

More key figures

EPS (TTM) HK$-0.3500

EPS growth (YoY) +53.6%

Net debt HK$3.8M FY2025

Figures from reported company fundamentals (EODHD) · as of Jul 3, 2026. TTM = trailing twelve months.

Revenue & earnings trend

FY2021 – FY2025 · reported fiscal years

8431 reported revenue of HK$24.5M in FY2025 versus HK$26.6M in FY2021, a compound −2.0%/yr. Reported net income was −HK$19.3M in FY2025.

Revenue −2.0%/yr

FY21 HK$26.6M

FY22 HK$6.5M

FY23 HK$15.6M

FY24 HK$21.9M

FY25 HK$24.5M

Net income

FY21 −HK$28.9M

FY22 −HK$30.4M

FY23 −HK$33.2M

FY24 −HK$10.7M

FY25 −HK$19.3M

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Similar stocks

6 more Engineering & Construction stocks, each showing price versus our Fair Value estimate (as of Jul 3, 2026).

Stock	Price	Fair Value	vs Fair Value
Larsen & Toubro Limited LTOD	$0.4110	$0.0100	-98%
Samsung C&T Corporation 028260	407,500 KRW	236,704 KRW	-42%
China State Construction Engineering Corporation 601668	¥4.74	¥15.02	+217%
TopBuild Corp BLD	7,547 MXN	3,472 MXN	-54%
000720 000720	130,300 KRW	55,602 KRW	-57%
United Integrated Services Co 2404	1,205 TWD	1,891 TWD	+57%

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Frequently asked questions

Is 8431 (8431) undervalued?

As of Jul 3, 2026, our model estimates a fair value of HK$0.1800 versus a price of HK$1.78 — about −90% (overvalued). Model-based estimate, not financial advice.

What is the fair value of 8431?

Our model-based fair value for 8431 is HK$0.1800 (as of Jul 3, 2026), built from audited fundamentals. The current price is HK$1.78.

What is the quality score of 8431?

8431 has a Quality Score of 54/100, measuring profitability, growth and balance-sheet strength from non-valuation factors.

What is the revenue of 8431 (8431)?

8431 reported trailing-twelve-month revenue of about HK$41.2M (latest available figure, as of Jul 3, 2026).

What is the net profit margin of 8431?

The net profit margin of 8431 is about -29.6%, meaning it is currently running at a net loss. Based on the latest reported figures.

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.