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Nam Sung (004270) fair value: what the stock is really worth

As of Sep 23, 2026: fair value of Nam Sung KRW 1,584, price KRW 5,670, upside -72.1%, quality 41 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

  1. Fair value above price? No
  2. Good quality? No
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Technology · KR · ISIN KR7004270005

NS Some data Sep 24, 2026

Nam Sung

004270 · KO

Weakest SetupStrongly overvalued and low quality.

!Fair value 1,584 KRW · Strongly overvalued (−72%)
!Quality 41/100
!Weak Growth (revenue 5y −3.5 %/yr)
!Thin margins · 0.8% net margin (TTM)
!Low debt · negative free cash flow
·3.39% dividend yield
!Trails peers (3/10)
!Narrow moat 24/100
!Evidence only medium, so the estimate is less certain
!Weak on past: 2 out of 100
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What runs behind every stock

26 valuation models 8 families, DCF to NCAV 37 quality factors margins, balance sheet, cashflow, debt 6 AI factors moat, what no ratio measures 2,000+ data points verified, per stock, median

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Price vs Fair Value

32,430 KRW 4,805 KRW Fair Value 1,584 KRW Apr 2021 Sep 2026

White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Sep 24, 2026.

How to read this chart

60‑month range 4,805 KRW – 32,430 KRW · fair‑value band 1,359 KRW – 1,838 KRW · the 5,670 KRW price screens above the 1,584 KRW fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). 1 fiscal year is left out: there the valuation rested on only a fraction of the usual models. Dashed = 300-day average. As of Sep 24, 2026.

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Company profile

Namsung Corp. manufactures and trades in electronic products under the DUAL brand in South Korea. The company offers mobile audio and video, multi-media speaker, XM satellite receiver radio, and digital AMP wireless headphone products.

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Namsung Corp. manufactures and trades in electronic products under the DUAL brand in South Korea. The company offers mobile audio and video, multi-media speaker, XM satellite receiver radio, and digital AMP wireless headphone products. It is also involved in the department store and wholesale/retail distribution and rental businesses, as well as real estate business. In addition, the company engages in semiconductor manufacturing and sales business, and hardware and software businesses; manufacturing and sales of copper parts, automobile parts and interiors, solar power generation and related product, and communication devices; internet-related business; e-commerce industry; digital broadcasting security systems and solutions; broadcasting and communications convergence solution and software development and sales business; system integration business and software-related service; and multimedia program development, UV sterilizer, and air sterilizer manufacturing and sales business. Further, it is involved in logistics business; installation and use of sports facilities; building and facility management services and parking lot operation business; architectural design and related services; consulting; consignment management business; and outdoor and exhibition advertising. The company was founded in 1965 and is based in Seoul, South Korea.

Stock analysis

Nam Sung (004270) currently trades at 5,670 KRW, while our model-based Fair Value estimate is 1,584 KRW, implying the stock looks roughly 257.9% overvalued today.

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Valuation

How firm this estimate is: it rests on 4 models at a data quality of 95/100, which puts the evidence level at medium.

Scenario range: 1,359 KRW (bear) to 1,838 KRW (bull), the price of 5,670 KRW sits above it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.

Quality & growth

The Quality Score stands at 41/100 (below-average quality), in the Technology sector.

Weak Growth: Revenue growth is inconsistent: the periods point in different directions, so there is no trend to rely on.

Nam Sung reported revenue of 77.5B KRW in FY2025 versus 102B KRW in FY2021, a compound −6.7%/yr. Reported net income was −3.7B KRW in FY2025.

Key figures

Market cap 25.4B KRW (≈ $18.7M) · P/S ratio 0.33 · Dividend yield 3.4% · Net margin −4.8% · Return on equity 0.6% · Return on assets (EBIT) −0.7% · Operating margin 6.2% · Revenue (TTM) 76.1B KRW.

Competitive moat

Our AI-assisted moat analysis scores the competitive advantage at 32 out of 100 (medium confidence).

What moves the price

The share trades about 25% below its 52-week high and 18% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Technology peers we cover trades at −37% fair-value upside, at −72%, 004270 screens richer than that median.

Fair Value models

Bear 1,359 KRW Fair Value 1,584 KRW Bull 1,838 KRW
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above is their evidence-weighted blend, not the output of a single model. Bear ⓘBear = the cautious scenario: the same model computed with conservative anchors (lower growth, margins and valuation multiples). Together with Bull it frames a plausible valuation range, not a price target.BaseBull ⓘBull = the optimistic scenario: the same model computed with favourable anchors (higher growth, margins and valuation multiples). Together with Bear it frames a plausible valuation range, not a price target. Evidence ⓘEvidence = how well-backed THIS model's estimate is for this stock (0–100): how complete and reliable its input data are, and how well the model fits the company. The final Fair Value is an evidence-weighted blend, so better-evidenced models count more. Green ≥70, amber 50–69, grey below 50.
Highest evidence
Gordon GGM 35,033 KRW 40,826 KRW 47,367 KRW 69
DDM Multi-Stage 35,033 KRW 45,391 KRW 58,146 KRW 67
EV/EBITDA n/a 1,584 KRW 4,919 KRW 62
All 4 models by family
Dividend Discount
Gordon GGM 35,033 KRW 40,826 KRW 47,367 KRW 69
DDM Multi-Stage 35,033 KRW 45,391 KRW 58,146 KRW 67
Multiples
EV/EBITDA n/a 1,584 KRW 4,919 KRW 62
Asset-Based
NCAV (Graham) 334,309 KRW 447,974 KRW 668,618 KRW 54

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Quality Score breakdown

Overall quality 41/100

Of which business quality 38 · Market factors (momentum, volatility) 31

Profitability 9
Margins and returns on capital today
Quality Growth 36
Are margins and returns improving?
Cashflow 21
Earnings quality: real cash, not paper profit
Fin. Strength 28
Balance sheet, leverage, solvency risk
Investment 89
Disciplined investing over empire-building
Low Volatility 49
Calm price path (market factor)
Momentum 29
Price trend over the last 3–12 months (market factor)
52W Momentum 16
Distance to the 52-week high (market factor)
Net Issuance 82
Share count: buybacks or dilution?

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Revenue & earnings trend

Growth Quality ⓘGrowth is valuable only when reinvestment earns attractive returns (Aswath Damodaran): sustainable growth depends on return on capital, reinvestment and efficiency. Basis: total company revenue over the periods shown on the cards (3Y/5Y/all years), not per share, so a merger can show up as a growth jump; per-share earnings growth is in the value-creation card. 20/100
Revenue growth is inconsistent: the periods point in different directions, so there is no trend to rely on.
Revenue growth 1 year
+4.0%
Revenue growth 3 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−7.6%
Revenue growth 5 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−3.5%
Start year 2020 (pandemic). Over 10 years: +0.2% a year
Revenue growth 25 years ⓘMeasures the company's TOTAL revenue from reported annual statements: compound average growth per year (CAGR) from the fiscal year 3, 5 or N years back to the most recent comparable fiscal year. Not per share: buybacks do not change this number, and a merger can appear as a growth jump. Per-share growth (which does include buybacks) is in the value-creation card.
−0.3%
Profit margin (trend) ⓘOperating margin then vs now, from reported annual statements. A falling margin after a boom year is the classic peak-earnings signal: the growth rate then leans on an inflated base.
−2.7% (2020) → −0.4% (2025)
What shareholders gained per year ⓘWe only publish this rate when it is defensible. Reason: fiscal 2025 is a loss year, no rate is defined from a loss
not computed

004270 screens 258% overvalued. Compare with Samsung Electronics Co →

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Peer Groupⓘ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.Consumer Electronics · 128 stocks

Beats the industry median on 3/10 measures
Overall it trails its industry peers.
Valuation
Quality Score 41 · Bottom 25%
Fair Value upside −72% · Bottom 25%
Profitability
Return on equity (TTM) 1% · Below median
Return on assets 0% · Below median
Net margin (TTM) 1% · Below median
Operating margin (TTM) 6% · Above median
Growth and dividend
Revenue growth −7% · Below median
Dividend yield (TTM) 3.4% · Above median
Balance sheet
Debt / equity 0.08× · Above median

Valuation Multiplesvs Consumer Electronics median · lower = cheaper

EV/EBITDA 8.3× · Cheaper than median

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)0 · sector 9
FUTURE (revenue growth)0 · sector 6
PAST (return on equity)2 · sector 18
HEALTH (low debt)96 · sector 97
DIVIDEND (yield)68 · sector 32

VALUE 0: the price sits above our fair-value range.

Context: sector, industry, market

Values & ESG

Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.

None of the checked exposures detected

Similar stocks

10 more Consumer Electronics stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value
Samsung Electronics Co 005930 285,500 KRW 162,073 KRW −43%
Sony Group SONY $22.99 $30.11 +31%
Xiaomi Corporation 1810 HK$26.18 HK$44.40 +70%
LG Electronics Inc 066570 209,000 KRW 97,565 KRW −53%
Huaqin Co 603296 ¥79.93 ¥39.69 −50%
Goertek Inc 002241 ¥24.64 ¥14.47 −41%
LG Corp 003550 111,900 KRW 87,717 KRW −22%
Shenzhen Transsion Holdings 688036 ¥55.65 ¥54.13 −3%
Anker Innovations Limited 300866 ¥123.90 ¥78.13 −37%
Dixon Technologies (India) Limited DIXON ₹13,200 ₹4,022 −70%

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Nam Sung · Fair Value
1,584 KRW −258%Fair Value
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Cite: Fair Value Calculator (2026). "Nam Sung Fair Value". https://www.fairvalue-calculator.com/stock/004270

Frequently asked questions

Is Nam Sung (004270) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of 1,584 KRW versus a price of 5,670 KRW, about −72% upside (overvalued).
What is the fair value of 004270?
Our model-based fair value for Nam Sung is 1,584 KRW (as of Sep 24, 2026), built from audited fundamentals. The current price: 5,670 KRW.
What is the quality score of 004270?
Nam Sung has a Quality Score of 41/100. It measures business quality (profitability, growth, cash flow, balance-sheet strength, investment discipline, share issuance). Market factors such as price momentum and volatility do not enter the number; they are shown separately in the detail view.
What is the price target for Nam Sung (004270)?
Our model-based price target is the fair value of 1,584 KRW (as of Sep 24, 2026) from 4 valuation models. Cautious scenario 1,359 KRW, optimistic scenario 1,838 KRW. It is a calculation from audited fundamentals, not an analyst target.
What is the Nam Sung stock forecast for 2026?
Our models put fair value at 1,584 KRW, about −72% upside versus a price of 5,670 KRW (overvalued). Cautious scenario 1,359 KRW, optimistic scenario 1,838 KRW. The calculation is refreshed regularly with new filings.
What is the revenue of Nam Sung (004270)?
Nam Sung reported trailing-twelve-month revenue of about 76.1B KRW (latest available figure, as of Sep 24, 2026).
Does Nam Sung pay a dividend?
Nam Sung currently shows a dividend yield of about 3.39% relative to its recent price (as of Sep 24, 2026).
What is the intrinsic value of Nam Sung (004270)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Nam Sung it is 1,584 KRW per share (as of Sep 24, 2026), against a price of 5,670 KRW. It is the blended result of 4 valuation models (cash flow, earnings, asset, dividend).
Is Nam Sung stock overvalued or undervalued in 2026?
As of Sep 24, 2026, 004270 trades above its calculated fair value: price 5,670 KRW, fair value 1,584 KRW, a gap of about −72% (overvalued). The calculation is refreshed with each new quarterly report, so the verdict can change during the year.
Is fair value the same as the market price of 004270?
No. The price is what the market pays today (5,670 KRW); the fair value is what the company's own numbers justify (1,584 KRW). For Nam Sung the two are 4,086 KRW per share apart. That gap is exactly why we show both numbers side by side.
How much is Nam Sung worth?
The market values Nam Sung at about 25.4B KRW (market capitalisation, as of Sep 24, 2026). Per share that is 5,670 KRW; our models calculate a fair value of 1,584 KRW per share.
What do the bullish and bearish scenarios say about 004270?
Our models span a range for Nam Sung: cautious scenario 1,359 KRW, base 1,584 KRW, optimistic 1,838 KRW per share (as of Sep 24, 2026, price 5,670 KRW). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Nam Sung (004270)?
Balance-sheet figures for Nam Sung (as of Sep 24, 2026): return on equity 0.6%, debt of 0.08 per unit of equity. They feed the Quality Score of 41/100, which measures business quality independently of the share price.
How far is 004270 from its 52-week high?
Nam Sung trades at 5,670 KRW, about 25% below its 52-week high of 7,530 KRW and 18% above the low of 4,805 KRW (as of Sep 23, 2026). Distance from the high says nothing about value: that is what the fair value of 1,584 KRW is for.
Which stocks are comparable to Nam Sung?
From the same area (Technology) we also value Samsung Electronics Co, Sony Group, Xiaomi Corporation, LG Electronics Inc, among others. Each of them has its own fair-value calculation on this site using the same models, so the comparison is like for like.
Is Nam Sung stock attractive at the current price?
The data as of Sep 24, 2026: price 5,670 KRW, calculated fair value 1,584 KRW (−72%), Quality Score 41/100, from 4 models. Whether that fits your horizon and risk tolerance is your call. We provide the calculation, not investment advice.
How is the fair value of 004270 calculated?
We run Nam Sung through 4 models from four families: discounted cash flow, earnings models, asset and balance-sheet models, and dividend models. Every model gets the same audited fundamentals; the result is the weighted average of 1,584 KRW, with the spread shown as a cautious and an optimistic scenario.
Is it still worth investing in stocks now?
The global stock market currently sits 13.0 % above its aggregate fair value. Nam Sung itself currently trades above fair value. An expensive market is no reason to stay out and no reason to buy everything at once: keep a broad savings plan running, buy single stocks only with money you can do without, and hold part of your money liquid while the market is high. The full picture including sectors is on is it worth investing now.
What is the share price of Nam Sung (004270)?
The closing price on Sep 23, 2026 was 5,670 KRW. Our model-based fair value is 1,584 KRW, about −72% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Nam Sung right now?
The price sits above even our optimistic bull case (1,838 KRW). The favourable scenario is already priced in. Weak quality (41/100) and above fair value at the same time, the margin of safety is missing on both counts.

Key figures of Nam Sung

How large is the market capitalisation of Nam Sung (004270)?
The market capitalisation of Nam Sung is 25.4B KRW (≈ $18.7M). The stock-market value of the whole company: share price times number of shares. It is what the market asks for the entire business today.
What is the P/S ratio of Nam Sung (004270)?
The price-to-sales ratio of Nam Sung is 0.33 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What is the dividend yield of Nam Sung (004270)?
The dividend yield of Nam Sung is 3.4%. Yearly dividend relative to the share price. 3% pays 3 per 100 invested. Below: how much of profit is used for it.
What is the net margin of Nam Sung (004270)?
The net margin of Nam Sung is −4.8% (fiscal year 2025). How much of every unit of revenue ends up as profit. 10% means 10 cents of profit per dollar of sales.
What is the return on equity of Nam Sung (004270)?
The return on equity (ROE) of Nam Sung is 0.6% (last twelve months). Profit relative to shareholders' equity, how efficiently the company works with its owners' money.
What is the EBIT return on assets of Nam Sung (004270)?
On an EBIT basis the return on assets of Nam Sung is −0.7% (avg 5y). Operating profit (EBIT) relative to everything the company owns, as a multi-year average. It describes the business model rather than one good or bad year.
What is the operating margin of Nam Sung (004270)?
The operating margin of Nam Sung is 6.2% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Nam Sung (004270)?
Revenue at Nam Sung is growing −7.0% versus a year earlier (3y avg −7.6%). How much revenue grew versus a year earlier (YoY). The 3-year average next to it puts the single year in context.
How fast are earnings growing at Nam Sung (004270)?
Earnings per share at Nam Sung are growing +92.3% versus a year earlier. How much earnings per share grew versus a year earlier.
How much free cash flow does Nam Sung (004270) generate?
The free cash flow of Nam Sung is −10.9B KRW (fiscal year 2025). The cash truly left after running and investing in the business, this is what pays dividends and buybacks.
How much net debt does Nam Sung (004270) carry?
The net debt of Nam Sung is 93.7B KRW (fiscal year 2025). Debt minus cash on hand. The note shows how many years of free cash flow could in theory pay it off.
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