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Optivision Technology (3666) fair value: what the stock is really worth

As of Sep 24, 2026: fair value of Optivision Technology TWD 13.08, price TWD 25.20, upside -48.1%, quality 21 out of 100. Calculated from audited financials with 26 valuation models and 37 quality factors, updated daily.

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  2. Good quality? No
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Technology · TW · ISIN TW0003666004

OT Thin data Sep 24, 2026

Optivision Technology

3666 · TWO

Weakest SetupStrongly overvalued and low quality.

!Fair value 13.08 TWD · Strongly overvalued (−48%)
!Quality 21/100
!Weak Growth (revenue 5y −23.7 %/yr)
!Loss-making · -62.5% net margin (TTM)
!negative free cash flow
!Trails peers (1/8)
!Narrow moat 8/100
!Evidence only low, so the estimate is less certain
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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

209,000 TWD 16.60 TWD Fair Value 13.08 TWD 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 16.60 TWD – 209,000 TWD · fair‑value band 8.64 TWD – 16.35 TWD · the 25.20 TWD price screens above the 13.08 TWD 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

Optivision Technology, Inc. designs and develops optical films in Taiwan and Mainland China. The company offers components of the backlight modules.

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Optivision Technology, Inc. designs and develops optical films in Taiwan and Mainland China. The company offers components of the backlight modules. Its products are used in LCD backlight modules of various sizes, such as film and television products comprising handheld TVs, VCD players, projectors, etc.; information industry products, including notebooks, monitors, digital cameras, PDAs, tablets, etc.; communication products consisting of mobile phones, car navigations, etc.; consumer electronic products, such as electronic watches, computers, etc.; and instrument products comprising industrial, medical, flight instruments, etc. Optivision Technology, Inc. was founded in 2004 and is based in Hsinchu City, Taiwan.

Stock analysis

Optivision Technology (3666) currently trades at 25.20 TWD, while our model-based Fair Value estimate is 13.08 TWD, implying the stock looks roughly 92.6% overvalued today.

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Valuation

How firm this estimate is: it rests on 1 models at a data quality of 95/100, which puts the evidence level at low.

Scenario range: 8.64 TWD (bear) to 16.35 TWD (bull), the price of 25.20 TWD 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 21/100 (below-average quality), in the Technology sector.

Weak Growth: Revenue is shrinking: the last year, the last three and the last five years are all negative.

Optivision Technology reported revenue of 475M TWD in FY2025 versus 1.7B TWD in FY2021, a compound −27.6%/yr. Reported net income was −250M TWD in FY2025.

Key figures

Market cap 2.2B TWD (≈ $70.2M) · P/S ratio 5.36 · EPS (TTM) −3.45 TWD · Net margin −52.7% · Return on equity −25.2% · Return on assets (EBIT) −17.2% · Operating margin −63.6% · Revenue (TTM) 418M TWD.

Competitive moat

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

What moves the price

The share trades about 24% below its 52-week high and 3% 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 −48%, 3666 screens cheaper than that median.

Fair Value models

Bear 8.64 TWD Fair Value 13.08 TWD Bull 16.35 TWD
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
NCAV (Graham) 9.78 TWD 13.10 TWD 19.56 TWD 51
All 1 models by family
Asset-Based
NCAV (Graham) 9.78 TWD 13.10 TWD 19.56 TWD 51

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Quality Score breakdown

Overall quality 21/100

Of which business quality 27 · Market factors (momentum, volatility) 47

Profitability 2
Margins and returns on capital today
Quality Growth 22
Are margins and returns improving?
Cashflow 0
Earnings quality: real cash, not paper profit
Fin. Strength 100
Balance sheet, leverage, solvency risk
Investment 33
Disciplined investing over empire-building
Low Volatility 87
Calm price path (market factor)
Momentum 37
Price trend over the last 3–12 months (market factor)
52W Momentum 20
Distance to the 52-week high (market factor)
Net Issuance 0
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. 0/100
Revenue is shrinking: the last year, the last three and the last five years are all negative.
Revenue growth 1 year
−26.0%
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.
−20.7%
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.
−23.7%
Start year 2020 (pandemic)
Revenue growth 8 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.
−12.2%
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.
6.6% (2020) → −58.9% (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

3666 screens 93% 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 1/7 measures
Overall it trails its industry peers.
Valuation
Quality Score 27 · Bottom 25%
Fair Value upside −48% · Below median
Profitability
Return on assets −10% · Bottom 25%
Net margin (TTM) −62% · Bottom 25%
Operating margin (TTM) −64% · Bottom 25%
Growth and dividend
Revenue growth −37% · Bottom 25%

Valuation Multiplesvs Electronic Components median · lower = cheaper

P/S (TTM) 0.17× · Cheapest 25%

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 $82.19 $90.41 +10%
Delta Electronics, Inc 2308 1,910 TWD 519.57 TWD −73%
Corning Incorporated GLW $154.48 $34.01 −78%
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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Optivision Technology · Fair Value
13.08 TWD −93%Fair Value
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Cite: Fair Value Calculator (2026). "Optivision Technology Fair Value". https://www.fairvalue-calculator.com/stock/3666

Frequently asked questions

Is Optivision Technology (3666) overvalued or undervalued?
As of Sep 24, 2026, our model estimates a fair value of 13.08 TWD versus a price of 25.20 TWD, about −48% upside (overvalued).
What is the fair value of 3666?
Our model-based fair value for Optivision Technology is 13.08 TWD (as of Sep 24, 2026), built from audited fundamentals. The current price: 25.20 TWD.
What is the quality score of 3666?
Optivision Technology has a Quality Score of 21/100. 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 Optivision Technology (3666)?
Our model-based price target is the fair value of 13.08 TWD (as of Sep 24, 2026) from 1 valuation models. Cautious scenario 8.64 TWD, optimistic scenario 16.35 TWD. It is a calculation from audited fundamentals, not an analyst target.
What is the Optivision Technology stock forecast for 2026?
Our models put fair value at 13.08 TWD, about −48% upside versus a price of 25.20 TWD (overvalued). Cautious scenario 8.64 TWD, optimistic scenario 16.35 TWD. The calculation is refreshed regularly with new filings.
What is the revenue of Optivision Technology (3666)?
Optivision Technology reported trailing-twelve-month revenue of about 418M TWD (latest available figure, as of Sep 24, 2026).
What is the intrinsic value of Optivision Technology (3666)?
Intrinsic value and fair value mean the same thing: what the business is worth on its numbers, independent of the share price. For Optivision Technology it is 13.08 TWD per share (as of Sep 24, 2026), against a price of 25.20 TWD. It is the blended result of 1 valuation models (cash flow, earnings, asset, dividend).
Is Optivision Technology stock overvalued or undervalued in 2026?
As of Sep 24, 2026, 3666 trades above its calculated fair value: price 25.20 TWD, fair value 13.08 TWD, a gap of about −48% (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 3666?
No. The price is what the market pays today (25.20 TWD); the fair value is what the company's own numbers justify (13.08 TWD). For Optivision Technology the two are 12.12 TWD per share apart. That gap is exactly why we show both numbers side by side.
How much is Optivision Technology worth?
The market values Optivision Technology at about 2.2B TWD (market capitalisation, as of Sep 24, 2026). Per share that is 25.20 TWD; our models calculate a fair value of 13.08 TWD per share.
What do the bullish and bearish scenarios say about 3666?
Our models span a range for Optivision Technology: cautious scenario 8.64 TWD, base 13.08 TWD, optimistic 16.35 TWD per share (as of Sep 24, 2026, price 25.20 TWD). The range comes from different growth and margin assumptions, not from analyst opinions.
How solid is the balance sheet of Optivision Technology (3666)?
Balance-sheet figures for Optivision Technology (as of Sep 24, 2026): return on equity −25.2%. They feed the Quality Score of 21/100, which measures business quality independently of the share price.
How far is 3666 from its 52-week high?
Optivision Technology trades at 25.20 TWD, about 24% below its 52-week high of 32.95 TWD and 3% above the low of 24.35 TWD (as of Sep 24, 2026). Distance from the high says nothing about value: that is what the fair value of 13.08 TWD is for.
Which stocks are comparable to Optivision Technology?
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 Optivision Technology stock attractive at the current price?
The data as of Sep 24, 2026: price 25.20 TWD, calculated fair value 13.08 TWD (−48%), Quality Score 21/100, from 1 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 3666 calculated?
We run Optivision Technology through 1 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 13.08 TWD, 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. Optivision Technology 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 Optivision Technology (3666)?
The closing price on Sep 24, 2026 was 25.20 TWD. Our model-based fair value is 13.08 TWD, about −48% upside (overvalued). We carry closing prices from our data provider, not a live tick.
What should I pay attention to with Optivision Technology right now?
The price sits above even our optimistic bull case (16.35 TWD). The favourable scenario is already priced in. Weak quality (21/100) 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 (8.64 TWD to 16.35 TWD) leaves room in how you read the outcome.

Key figures of Optivision Technology

How large is the market capitalisation of Optivision Technology (3666)?
The market capitalisation of Optivision Technology is 2.2B TWD (≈ $70.2M). 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 Optivision Technology (3666)?
The price-to-sales ratio of Optivision Technology is 5.36 (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 Optivision Technology (3666)?
Earnings per share at Optivision Technology are −3.45 TWD. Earnings per share over the last twelve months: total profit spread across every single share.
What is the net margin of Optivision Technology (3666)?
The net margin of Optivision Technology is −52.7% (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 Optivision Technology (3666)?
The return on equity (ROE) of Optivision Technology is −25.2% (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 Optivision Technology (3666)?
On an EBIT basis the return on assets of Optivision Technology is −17.2% (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 Optivision Technology (3666)?
The operating margin of Optivision Technology is −63.6% (last twelve months). Profit from the core business (before interest and taxes) relative to revenue.
How fast is revenue growing at Optivision Technology (3666)?
Revenue at Optivision Technology is growing −36.6% versus a year earlier (3y avg −20.7%). 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 Optivision Technology (3666)?
Earnings per share at Optivision Technology are growing −64.7% versus a year earlier. How much earnings per share grew versus a year earlier.
How much free cash flow does Optivision Technology (3666) generate?
The free cash flow of Optivision Technology is −64.6M TWD (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 Optivision Technology (3666) carry?
The net debt of Optivision Technology is 277M TWD (fiscal year 2024). 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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