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Seronics Co. Ltd (042600) fair value: what the stock is really worth

As of Sep 23, 2026: fair value of Seronics Co. Ltd KRW 4,779, price KRW 11,780, upside -59.4%, quality 43 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 KR7042600007

SC Thin data Sep 24, 2026

Seronics Co. Ltd

042600 · KQ

Weakest SetupStrongly overvalued and low quality.

!Fair value 4,779 KRW · Strongly overvalued (−59%)
!Quality 43/100
!Weak Growth (revenue 5y +0.2 %/yr)
!Loss-making · -10.8% net margin (TTM)
!Low debt · negative free cash flow
!Trails peers (1/9)
!Narrow moat 15/100
!Evidence only low, so the estimate is less certain
!Weak on dividend: 2 out of 100

What runs behind every stock

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Price vs Fair Value

66,300 KRW 6,590 KRW Fair Value 4,779 KRW May 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 6,590 KRW – 66,300 KRW · fair‑value band 3,566 KRW – 7,133 KRW · the 11,780 KRW price screens above the 4,779 KRW fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). Dashed = 300-day average. As of Sep 24, 2026.

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Company profile

Seronics Co., Ltd. manufactures and sells electronic components in Korea and America. It offers devices and flexible flat cables, TV devices, and plastic injection moldings. It is also involved in manufacturing and sales of electronics, plastic injection moldings, and solar component materials. Seronics Co., Ltd.

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Seronics Co., Ltd. manufactures and sells electronic components in Korea and America. It offers devices and flexible flat cables, TV devices, and plastic injection moldings. It is also involved in manufacturing and sales of electronics, plastic injection moldings, and solar component materials. Seronics Co., Ltd. was founded in 1968 and is headquartered in Gumi-si, South Korea

Stock analysis

Seronics Co. Ltd (042600) currently trades at 11,780 KRW, while our model-based Fair Value estimate is 4,779 KRW, implying the stock looks roughly 146.5% overvalued today.

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Valuation

How firm this estimate is: it rests on 2 models at a data quality of 91/100, which puts the evidence level at low.

Scenario range: 3,566 KRW (bear) to 7,133 KRW (bull), the price of 11,780 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 43/100 (below-average quality), in the Technology sector.

Weak Growth: Growth has flattened: the last year, three and five years all grew more slowly than the long-term average.

Seronics Co. Ltd reported revenue of 165B KRW in FY2025 versus 192B KRW in FY2021, a compound −3.7%/yr. Reported net income was −31.5B KRW in FY2025.

Key figures

Market cap 144B KRW (≈ $101M) · P/S ratio 0.67 · Dividend yield 0.1% · Net margin −19.1% · Return on equity −16.9% · Return on assets (EBIT) 9.4% · Operating margin −1.3% · Revenue (TTM) 159B 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 46% below its 52-week high and 62% above its 52-week low, currently below its 200-day average.

For context, the median of 10 Technology peers we cover trades at −66% fair-value upside, at −59%, 042600 screens cheaper than that median.

Fair Value models

Bear 3,566 KRW Fair Value 4,779 KRW Bull 7,133 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
EV/EBITDA 3,716 KRW 4,220 KRW 4,724 KRW 67
NCAV (Graham) 3,582 KRW 4,800 KRW 7,164 KRW 54
All 2 models by family
Multiples
EV/EBITDA 3,716 KRW 4,220 KRW 4,724 KRW 67
Asset-Based
NCAV (Graham) 3,582 KRW 4,800 KRW 7,164 KRW 54

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Quality Score breakdown

Overall quality 43/100

Of which business quality 40 · Market factors (momentum, volatility) 52

Profitability 13
Margins and returns on capital today
Quality Growth 37
Are margins and returns improving?
Cashflow 10
Earnings quality: real cash, not paper profit
Fin. Strength 42
Balance sheet, leverage, solvency risk
Investment 100
Disciplined investing over empire-building
Low Volatility 39
Calm price path (market factor)
Momentum 58
Price trend over the last 3–12 months (market factor)
52W Momentum 58
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. 5/100
Growth has flattened: the last year, three and five years all grew more slowly than the long-term average.
Revenue growth 1 year
−18.5%
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.
−9.0%
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.
+0.2%
Start year 2020 (pandemic). Over 10 years: +2.4% a year
Revenue growth 23 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.
+4.6%
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.
1.1% (2020) → −1.6% (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

042600 screens 146% overvalued. Compare with Amphenol Corporation →

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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.Electronic Components · 654 stocks

Beats the industry median on 1/8 measures
Overall it trails its industry peers.
Valuation
Quality Score 41 · Bottom 25%
Fair Value upside −59% · Below median
Profitability
Return on assets −1% · Bottom 25%
Net margin (TTM) −11% · Bottom 25%
Operating margin (TTM) −1% · Bottom 25%
Growth and dividend
Revenue growth −11% · Bottom 25%
Dividend yield (TTM) 0.1% · Bottom 25%
Balance sheet
Debt / equity 0.00× · Lowest 25%

Strength profile in five axes (Snowflake)

VALUEFUTUREPASTHEALTHDIVIDEND
This stock
VALUEFUTUREPASTHEALTHDIVIDEND
Sector peers
VALUE (fair-value potential)0 · sector 0
FUTURE (revenue growth)0 · sector 38
PAST (return on equity)0 · sector 26
HEALTH (low debt)100 · sector 95
DIVIDEND (yield)2 · sector 25

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 Electronic Components stocks, each showing price versus our Fair Value estimate.

Stock Price Fair Value vs Fair Value
Amphenol Corporation APH $82.84 $91.12 +10%
Delta Electronics, Inc 2308 1,910 TWD 519.57 TWD −73%
Corning Incorporated GLW $159.69 $34.01 −79%
Hon Hai Precision Industry Co 2317 250.50 TWD 293.80 TWD +17%
Luxshare Precision Industry Co 002475 ¥54.84 ¥18.55 −66%
Samsung Electro-Mechanics Co 009150 1,507,000 KRW 171,572 KRW −89%
Suzhou Dongshan Precision Manufacturing Co 002384 ¥198.12 ¥21.19 −89%
TE Connectivity plc TEL $213.48 $140.75 −34%
Elite Material Co 2383 5,050 TWD 800.51 TWD −84%
Yageo Corporation 2327 580.00 TWD 527.64 TWD −9%

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Cite: Fair Value Calculator (2026). "Seronics Co. Ltd Fair Value". https://www.fairvalue-calculator.com/stock/042600

Frequently asked questions

Is Seronics Co. Ltd (042600) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of 4,779 KRW versus a price of 11,780 KRW, about −59% upside (overvalued).
What is the fair value of 042600?
Our model-based fair value for Seronics Co. Ltd is 4,779 KRW (as of Sep 24, 2026), built from audited fundamentals. The current price: 11,780 KRW.
What is the quality score of 042600?
Seronics Co. Ltd has a Quality Score of 43/100. 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 Seronics Co. Ltd (042600)?
Our model-based price target is the fair value of 4,779 KRW (as of Sep 24, 2026) from 2 valuation models. Cautious scenario 3,566 KRW, optimistic scenario 7,133 KRW. It is a calculation from audited fundamentals, not an analyst target.
What is the Seronics Co. Ltd stock forecast for 2026?
Our models put fair value at 4,779 KRW, about −59% upside versus a price of 11,780 KRW (overvalued). Cautious scenario 3,566 KRW, optimistic scenario 7,133 KRW. The calculation is refreshed regularly with new filings.
What is the revenue of Seronics Co. Ltd (042600)?
Seronics Co. Ltd reported trailing-twelve-month revenue of about 159B KRW (latest available figure, as of Sep 24, 2026).
Does Seronics Co. Ltd pay a dividend?
Seronics Co. Ltd currently shows a dividend yield of about 0.12% relative to its recent price (as of Sep 24, 2026).
What is the intrinsic value of Seronics Co. Ltd (042600)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Seronics Co. Ltd it is 4,779 KRW per share (as of Sep 24, 2026), against a price of 11,780 KRW. It is the blended result of 2 valuation models (cash flow, earnings, asset, dividend).
Is Seronics Co. Ltd stock overvalued or undervalued in 2026?
As of Sep 24, 2026, 042600 trades above its calculated fair value: price 11,780 KRW, fair value 4,779 KRW, a gap of about −59% (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 042600?
No. The price is what the market pays today (11,780 KRW); the fair value is what the company's own numbers justify (4,779 KRW). For Seronics Co. Ltd the two are 7,001 KRW per share apart. That gap is exactly why we show both numbers side by side.
How much is Seronics Co. Ltd worth?
The market values Seronics Co. Ltd at about 144B KRW (market capitalisation, as of Sep 24, 2026). Per share that is 11,780 KRW; our models calculate a fair value of 4,779 KRW per share.
What do the bullish and bearish scenarios say about 042600?
Our models span a range for Seronics Co. Ltd: cautious scenario 3,566 KRW, base 4,779 KRW, optimistic 7,133 KRW per share (as of Sep 24, 2026, price 11,780 KRW). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Seronics Co. Ltd (042600)?
Balance-sheet figures for Seronics Co. Ltd (as of Sep 24, 2026): return on equity −16.9%, debt of 0.00 per unit of equity. They feed the Quality Score of 43/100, which measures business quality independently of the share price.
How far is 042600 from its 52-week high?
Seronics Co. Ltd trades at 11,780 KRW, about 46% below its 52-week high of 22,000 KRW and 62% above the low of 7,280 KRW (as of Sep 23, 2026). Distance from the high says nothing about value: that is what the fair value of 4,779 KRW is for.
Which stocks are comparable to Seronics Co. Ltd?
From the same area (Technology) we also value Amphenol Corporation, Delta Electronics, Inc, Corning Incorporated, Hon Hai Precision Industry Co, 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 Seronics Co. Ltd stock attractive at the current price?
The data as of Sep 24, 2026: price 11,780 KRW, calculated fair value 4,779 KRW (−59%), Quality Score 43/100, from 2 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 042600 calculated?
We run Seronics Co. Ltd through 2 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 4,779 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 13.2 % above its aggregate fair value. Seronics Co. Ltd 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 Seronics Co. Ltd (042600)?
The closing price on Sep 23, 2026 was 11,780 KRW. Our model-based fair value is 4,779 KRW, about −59% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Seronics Co. Ltd right now?
The price sits above even our optimistic bull case (7,133 KRW). The favourable scenario is already priced in. Weak quality (43/100) and above fair value at the same time, the margin of safety is missing on both counts. The large gap to fair value rests on thin data (low evidence): fewer applicable models and a shorter history. Read it with extra caution. A fairly wide model range (3,566 KRW to 7,133 KRW) leaves room in how you read the outcome.

Key figures of Seronics Co. Ltd

How large is the market capitalisation of Seronics Co. Ltd (042600)?
The market capitalisation of Seronics Co. Ltd is 144B KRW (≈ $101M). 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 Seronics Co. Ltd (042600)?
The price-to-sales ratio of Seronics Co. Ltd is 0.67 (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 Seronics Co. Ltd (042600)?
The dividend yield of Seronics Co. Ltd is 0.1%. 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 Seronics Co. Ltd (042600)?
The net margin of Seronics Co. Ltd is −19.1% (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 Seronics Co. Ltd (042600)?
The return on equity (ROE) of Seronics Co. Ltd is −16.9% (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 Seronics Co. Ltd (042600)?
On an EBIT basis the return on assets of Seronics Co. Ltd is 9.4% (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 Seronics Co. Ltd (042600)?
The operating margin of Seronics Co. Ltd is −1.3% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Seronics Co. Ltd (042600)?
Revenue at Seronics Co. Ltd is growing −10.9% versus a year earlier (3y avg −9.0%). 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 Seronics Co. Ltd (042600)?
Earnings per share at Seronics Co. Ltd are growing −27.4% versus a year earlier. How much earnings per share grew versus a year earlier.
How much free cash flow does Seronics Co. Ltd (042600) generate?
The free cash flow of Seronics Co. Ltd is −762M 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 Seronics Co. Ltd (042600) carry?
The net debt of Seronics Co. Ltd is 66.3B 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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