Sunny Elec (004770) fair value: what the stock is really worth
As of Nov 6, 2026: fair value (intrinsic value) of Sunny Elec stock KRW 1,290, price KRW 1,421, that is 9.2% below the price, quality 67 out of 100. Rating: overvalued. Calculated from audited financials with 24 of our 26 valuation models and 37 quality factors, updated daily.
69 individual criteria per stock, every one traceableSee the method →
Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 9, 2026.
How to read this chart
60‑month range 1,306 KRW – 6,307 KRW · fair‑value band 934.62 KRW – 1,877 KRW · the 1,421 KRW price screens above the 1,290 KRW fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). As of Nov 9, 2026.
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Sunny Electronics Corp., together with its subsidiaries, manufactures and sells crystal oscillator products in South Korea. It offers crystal units, crystal and MEMS oscillators, filters, VCXO oscillators, and TCXO and VCTCXO oscillators.
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The company was formerly known as Sunny Electric Engineering Co., Ltd. and changed its name to Sunny Electronics Corp. in March 1999. Sunny Electronics Corp. was founded in 1966 and is headquartered in Chungju-si, South Korea.
Stock analysis
Sunny Elec (004770) currently trades at 1,421 KRW, while our model-based Fair Value estimate is 1,290 KRW, 9% below the price, so the stock looks overvalued today.
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Valuation
Bull case: the Asset-Based group reads highest at a median of 2,225 KRW per share, and 9 of the 24 models we run sit above the 1,421 KRW price.
Bear case: the Dividend Discount group reads lowest at 308.38 KRW, and 15 of the 24 models stay below the price. Data coverage for this calculation is high.
Scenario range: 934.62 KRW (bear) to 1,877 KRW (bull), the price of 1,421 KRW sits inside 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 67/100 (solid quality), in the Technology sector.
Mixed Growth: Spin-off in 2020: revenue and profit before it include the divested business. Growth is measured afresh from 2020.
Sunny Elec reported revenue of 12.4B KRW in FY2025 versus 16.4B KRW in FY2021, a compound −6.8%/yr. Reported net income was 3.6B KRW in FY2025, compounding −5.3%/yr from FY2021.
Key figures
Market cap 50.5B KRW (≈ $37.3M) Micro · P/E ratio 10.3 · P/S ratio 3.64 · EPS (TTM) 137.59 KRW · Dividend yield 2.5% · Net margin 35.2% · Return on equity 6.6% · Return on assets (EBIT) 2.2% (5-year average).
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 55 out of 100 (low confidence).
What moves the price
The share trades about 40% below its 52-week high and at its 52-week low, currently below its 200-day average.
For context, the median of 10 Technology peers we cover trades at −7% fair-value upside, at −9%, 004770 screens richer than that median.
Fair Value models
Bear934.62 KRWFair Value 1,290 KRWBull1,877 KRW
Price 1,421 KRW · Downside -9.2%
Model ⓘEach model values the company its own way (discounted cash flow, earnings, assets, dividends). The fair value above starts from their evidence-weighted blend, not from a single model. In cyclical trough or peak years, after dilution or a stock split it is adjusted afterwards, so it can sit above or below the models. Based on fiscal year 2025 figures (about 10 months old). Earnings retained since then (87.98 KRW per share) are deliberately not added.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. If a model's bull case is above four times its base value, the table shows that limit with a > sign (like the overall Bull above): beyond it no assumption holds.Coverage ⓘCoverage = 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.
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.55/100
Spin-off in 2020: revenue and profit before it include the divested business. Growth is measured afresh from 2020.
Revenue growth 1 year
−3.5%
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.
−10.8%
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.
−5.5%
Start year 2020 (pandemic)
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What shareholders gained per year (last 5 years), in KRW ⓘWhat the business itself delivers per year: earnings growth per share plus the dividend yield. This is what you get IF the market keeps valuing the stock the same way: it contains no assumption about the market changing its mind. Computed per share, so buybacks count and a merger does not pass as growth. For a company that pays no dividend it is pure earnings growth per share. Period: earnings growth per share as CAGR over the last 5 reported fiscal years (annual statements), plus the current dividend yield. The start value is the median of the three years around the start, so a single crisis year (a pandemic or a write-down) does not distort the rate. Measured in KRW: this currency has depreciated against the euro and dollar over the long run, so part of the nominal rate is currency erosion that never reaches a EUR/USD investor.
−2.1%
Earnings growth per share plus dividend.
Earnings per share, growth per year−4.6%
Dividend (yield on the price)2.5%
Pace: 5 vs 10 years ⓘTwo data points, not a trend model: earnings growth per share over the last 5 fiscal years against the last 10. Labelled "steady" when both rates are within 3 percentage points of each other, otherwise picking up or flattening. Shown only when ten years of history exist.−4.6% vs 11.8%, slowing
Profit margin 2020 to 2025 ⓘ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.7% → 18%
Pace: the 5-year rate starts in 2020 (pandemic)
⚠ Revenue per share shrinking 8.0%/yr over ~7Y (margins intact) ⓘStructural-decline marker: revenue PER SHARE has fallen over the last decade (robust median trend, not a single year). Backtested across 2005 to 2017, such businesses trailed the market by about 2.5 percentage points per year. Display only: it does not change the fair value or the quality score.
Growth Forecast
A lot of optimism in the price
The price assumes more growth than the company has delivered so far.
What the price assumes ⓘThis turns our valuation around: instead of asking what the share is worth, it asks what growth the current price requires. It uses the cash the company keeps after all spending (free cash flow), the same discount rate as our models, five years of growth, then slowing evenly to 2 % a year by year ten. Compared with the analysts' sales forecasts extended to the same five years (at least three analysts, for context only, it does not enter the Fair Value): within 3 percentage points counts as "in line" (amber), below that little optimism (green), above that a lot of optimism (red).
+3.3%
Yearly growth needed for the next five years to justify today's price.
What forecasts expect
n/a
No analyst forecast available.
After inflation (South Korea: IMF forecast 2.1% a year to 2030, 2.1% from 2016 to 2025) that is about +1.2% a year for the price.
Price, fair value, quality and upside side by side.
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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 · 653 stocks
Beats the industry median on 10/14 measures
Overall it ranks above its industry peers.
Valuation
Quality Score67 · Top 25%
Fair Value upside−9.2% · Above median
Profitability
Return on equity (12 months)6.6% · Below median
Return on assets4.2% · Above median
Net margin (12 months)35.2% · Top 25%
Operating margin (12 months)15.4% · Top 25%
Growth and dividend
Revenue growth (quarter YoY)−20.6% · Bottom 25%
Dividend yield (12 months)2.5% · Above median
Balance sheet
Debt / equity0.09× · Below median
Valuation Multiplesvs Electronic Components median · lower = cheaper
For bloggers, editors and developers: paste this into your site or blog (a “Custom HTML” block in WordPress), it shows the current fair value and links back here. Free, plain HTML, and welcome. Full data streams (CSV/JSON) at /developers.
Cite: Fair Value Calculator (2026). "Sunny Elec Fair Value". https://www.fairvalue-calculator.com/stock/004770
Frequently asked questions
Is Sunny Elec (004770) overvalued or undervalued?
As of Nov 9, 2026, our model estimates a fair value of 1,290 KRW versus a price of 1,421 KRW, about 9% lower (overvalued).
What is the fair value of 004770?
Our model-based fair value for Sunny Elec is 1,290 KRW (as of Nov 9, 2026), built from audited fundamentals. The current price: 1,421 KRW.
What is the quality score of 004770?
Sunny Elec has a Quality Score of 67/100. 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 Sunny Elec (004770)?
Our model-based price target is the fair value of 1,290 KRW (as of Nov 9, 2026) from 24 valuation models. Cautious scenario 934.62 KRW, optimistic scenario 1,877 KRW. It is a calculation from audited fundamentals, not an analyst target.
What is the Sunny Elec stock forecast for 2026?
Our models put fair value at 1,290 KRW, about 9% lower versus a price of 1,421 KRW (overvalued). Cautious scenario 934.62 KRW, optimistic scenario 1,877 KRW. The calculation is refreshed regularly with new filings.
What is the revenue of Sunny Elec (004770)?
Sunny Elec reported trailing-twelve-month revenue of about 13.9B KRW (latest available figure, as of Nov 9, 2026).
Does Sunny Elec pay a dividend?
Sunny Elec currently shows a dividend yield of 2.46% relative to its recent price (as of Nov 9, 2026).
How much is the dividend of Sunny Elec (004770) and when is the ex-dividend date?
Sunny Elec pays a dividend of 35.00 KRW per share a year, a dividend yield of 2.5%. The last ex-dividend date was Dec 29, 2025. The payout ratio is 25.4% of earnings. Free cash flow covers the dividend 3.16 times. Our assessment: Well covered. A low payout and the dividend is fully funded by free cash flow, a comfortable, sustainable dividend.
What growth is priced into Sunny Elec (004770)?
For today's price to be fair in a discounted-cash-flow model, Sunny Elec would have to grow free cash flow by +3.3 % per year for five years (discount rate 9.6 %, then slowing evenly to 2 % perpetual growth by year ten). Over the last 5 years revenue grew -5.5 % per year. As of Nov 9, 2026.
What discount rate (WACC) does the fair value of 004770 use?
Our models discount Sunny Elec at 9.6 %: a base by market capitalisation (nano), damped by beta 0.78, country premium for South Korea. The same rate applies in all 26 models.
What is a reverse DCF?
A reverse DCF turns the usual calculation around. Instead of deriving a value from assumptions, it takes today's price as given and asks: what free-cash-flow growth would a company have to deliver for exactly this price to be fair? The result is not a forecast but the expectation already priced in. For Sunny Elec that is +3.3 % per year for five years, then slowing evenly to 2 % by year ten, using the same discount rate (9.6 %) and the same formula as our fair value.
How much growth has Sunny Elec (004770) delivered so far?
Over the past 5 years revenue at Sunny Elec grew -5.5 % a year. The price currently implies free-cash-flow growth of +3.3 % per year. Comparing the two shows how much confidence is in the price: if it demands more than has been delivered, the business has to accelerate for the maths to work.
How fast is the sector of Sunny Elec (004770) growing?
The median revenue growth in the sector is +11.5 % a year. That is the yardstick for the growth priced into Sunny Elec (+3.3 % per year): it shows whether the expectation is within the usual range or beyond it.
What is the free cash flow yield of Sunny Elec (004770)?
The free-cash-flow yield on the price is 7.79 %: that much free cash flow Sunny Elec produces per unit of market value. When it exceeds the discount rate of our models (9.6 %), the business already earns more than its cost of capital demands, and the price needs little additional growth.
What is the intrinsic value of Sunny Elec (004770)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Sunny Elec it is 1,290 KRW per share (as of Nov 9, 2026), against a price of 1,421 KRW. It is the blended result of 24 valuation models in 8 families (DCF Models, Earnings-Based, Dividend Discount, Multiples, Asset-Based, Growth DCF, Economic Profit, Growth Earnings).
Is Sunny Elec stock overvalued or undervalued in 2026?
As of Nov 9, 2026, 004770 trades above its calculated fair value: price 1,421 KRW, fair value 1,290 KRW, a gap of about −9% (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 004770?
No. The price is what the market pays today (1,421 KRW); the fair value is what the company's own numbers justify (1,290 KRW). For Sunny Elec the two are 130.65 KRW per share apart. That gap is exactly why we show both numbers side by side.
How much is Sunny Elec worth?
The market values Sunny Elec at about 50.5B KRW (market capitalisation, as of Nov 9, 2026). Per share that is 1,421 KRW; our models calculate a fair value of 1,290 KRW per share.
What do the bullish and bearish scenarios say about 004770?
Our models span a range for Sunny Elec: cautious scenario 934.62 KRW, base 1,290 KRW, optimistic 1,877 KRW per share (as of Nov 9, 2026, price 1,421 KRW). The range comes from different growth and margin assumptions, not from analyst opinions.
What is the P/E ratio of 004770?
Sunny Elec trades at a price-to-earnings ratio of 10.3 (as of Nov 9, 2026). A P/E on its own says little: it compares the price with ONE year of profit, while our fair value of 1,290 KRW is built from several models across several years. Median P/E at fiscal year-end, 10 fiscal years (2016 to 2025), reported earnings: 26.4. Other multiples: P/B 0.6, P/S 3.6, EV/EBITDA 35.7.
How solid is the balance sheet of Sunny Elec (004770)?
Balance-sheet figures for Sunny Elec (as of Nov 9, 2026): return on equity 6.6%, debt of 0.09 per unit of equity. They feed the Quality Score of 67/100, which measures business quality independently of the share price.
How far is 004770 from its 52-week high?
Sunny Elec trades at 1,421 KRW, about 40% below its 52-week high of 2,375 KRW and at the low of 1,418 KRW (as of Nov 6, 2026). Distance from the high says nothing about value: that is what the fair value of 1,290 KRW is for.
Which stocks are comparable to Sunny Elec?
From the same area (Technology) we also value Amphenol Corporation, Hon Hai Precision Industry Co, Corning Incorporated, Delta 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 Sunny Elec stock attractive at the current price?
The data as of Nov 9, 2026: price 1,421 KRW, calculated fair value 1,290 KRW (−9%), Quality Score 67/100, from 24 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 004770 calculated?
We run Sunny Elec through 24 models from 8 families: DCF Models, Earnings-Based, Dividend Discount, Multiples, Asset-Based, Growth DCF, Economic Profit, Growth Earnings. Every model gets the same audited fundamentals; the fair value of 1,290 KRW builds on their evidence-weighted average, 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 13.3% above its aggregate fair value. Sunny Elec 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 Sunny Elec (004770)?
The closing price on Nov 6, 2026 was 1,421 KRW. Our model-based fair value is 1,290 KRW, about 9% lower (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Sunny Elec right now?
A fairly wide model range (934.62 KRW to 1,877 KRW) leaves room in how you read the outcome. The price sits in the upper half of our model range, so the margin of safety is thin. The data supports the verdict: every model runs on fully documented inputs.
Key figures of Sunny Elec
How large is the market capitalisation of Sunny Elec (004770)?
The market capitalisation of Sunny Elec is 50.5B KRW (≈ $37.3M). 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 Sunny Elec (004770)?
The price-to-sales ratio of Sunny Elec is 3.64 (last twelve months). Price to sales: market value relative to yearly revenue. Useful when profit is thin or distorted.
What are the earnings per share of Sunny Elec (004770)?
Earnings per share at Sunny Elec are 137.59 KRW (price ÷ EPS = P/E 10.3). Earnings per share over the last twelve months: total profit spread across every single share.
What is the dividend yield of Sunny Elec (004770)?
The dividend yield of Sunny Elec is 2.5% (payout 25.4%). 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 Sunny Elec (004770)?
The net margin of Sunny Elec is 35.2% (last twelve months). 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 Sunny Elec (004770)?
The return on equity (ROE) of Sunny Elec is 6.6% (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 Sunny Elec (004770)?
On an EBIT basis the return on assets of Sunny Elec is 2.2% (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 Sunny Elec (004770)?
The operating margin of Sunny Elec is 15.4% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Sunny Elec (004770)?
Revenue at Sunny Elec is growing −20.6% versus a year earlier (3y avg −10.8%). 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 Sunny Elec (004770)?
Earnings per share at Sunny Elec are growing −31.6% versus a year earlier. How much earnings per share grew versus a year earlier.
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Broad data
Nov 9, 2026