Formosa Optical Technology Co (ROCO:5312) EBITDA Margin %: 21.82% (As of Dec. 2025) — 18% Below Median


ROCO:5312 Formosa Optical Technology Co Ltd ROCO:5312
81 GF Score
Price NT$89.70
GF Value NT$108.45
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Formosa Optical Technology Co EBITDA Margin %?

Formosa Optical Technology Co ROCO:5312 -0.66% 81 EBITDA Margin % is 21.82% as of Dec. 2025, which is 18% below its 10-year median of 26.54. GuruFocus rates ROCO:5312 with a GF Score™ of 81/100 and a GF Value™ of NT$108.45 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 817 Medical Devices & Instruments companies, Formosa Optical Technology Co ranks better than 86.41% on this metric.

EBITDA Margin % is calculated as EBITDA divided by its Revenue. Formosa Optical Technology Co's EBITDA for the three months ended in Dec. 2025 was NT$246 Mil. Formosa Optical Technology Co's Revenue for the three months ended in Dec. 2025 was NT$1,127 Mil. Therefore, Formosa Optical Technology Co's EBITDA margin for the quarter that ended in Dec. 2025 was 21.82%.


Formosa Optical Technology Co  (ROCO:5312) EBITDA Margin % Explanation

EBITDA Margin % is the ratio of EBITDA divided by net sales or Revenue. It is an performance metric measuring company's operating profitability. EBITDA Margin takes depreciation and amortization, interest expense and tax into account, which makes it easy to compare the relative profitability of companies of different sizes in the same industry.


Formosa Optical Technology Co EBITDA Margin % Related Terms


Formosa Optical Technology Co EBITDA Margin % Historical Data

* Premium members only.

The historical data trend for Formosa Optical Technology Co's EBITDA Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Formosa Optical Technology Co EBITDA Margin % Chart

Formosa Optical Technology Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EBITDA Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 28.11 21.54 26.78 29.67 26.30

Formosa Optical Technology Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
EBITDA Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 28.58 29.38 21.84 32.32 21.82

ROCO:5312 vs ISRG, BDX, MDLN: EBITDA Margin % Comparison

For the Medical Instruments & Supplies subindustry, Formosa Optical Technology Co's EBITDA Margin %, along with its competitors' market caps and EBITDA Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


Formosa Optical Technology Co EBITDA Margin % vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Formosa Optical Technology Co's EBITDA Margin % distribution charts can be found below:

* The bar in red indicates where Formosa Optical Technology Co's EBITDA Margin % falls into.


ROCO:5312
81GF Score
Formosa Optical Technology Co Ltd ROCO:5312
EBITDA Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Formosa Optical Technology Co EBITDA Margin % Calculation

EBITDA margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent.

Formosa Optical Technology Co's EBITDA Margin % for the fiscal year that ended in Dec. 2025 is calculated as

EBITDA Margin %=EBITDA (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=1085.956/4128.599
=26.30 %

Formosa Optical Technology Co's EBITDA Margin % for the quarter that ended in Dec. 2025 is calculated as

EBITDA Margin %=EBITDA (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=245.907/1126.859
=21.82 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about EBITDA Margin % →
What does a EBITDA Margin % of 21.82% mean?
Formosa Optical Technology Co (ROCO:5312) has a EBITDA Margin % of 21.82% as of Dec. 2025. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Formosa Optical Technology Co and its competitors. This is 18% below median its historical median of 26.54. Over the past decade, Formosa Optical Technology Co's EBITDA Margin % has ranged from 15.51 to 29.67. According to the industry distribution chart, Formosa Optical Technology Co ranks #111 out of 817 companies in the Medical Devices & Instruments industry, placing it in the top 13.6%.
Is Formosa Optical Technology Co's EBITDA Margin % too high?
Formosa Optical Technology Co's current EBITDA Margin % of 21.82% is 18% below median its 10-year median of 26.54. Over the past 10 years, this metric has ranged from a low of 15.51 to a high of 29.67. The Medical Devices & Instruments industry median EBITDA Margin % is 7.44. Formosa Optical Technology Co's value of 21.82% is 193.3% above this industry median. Based on the distribution chart, Formosa Optical Technology Co ranks #111 out of 817 companies in the Medical Devices & Instruments industry, which is in the top quartile — a strong position relative to peers. Overall, Formosa Optical Technology Co has a GF Score™ of 81/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Optical Technology Co's EBITDA Margin % compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Formosa Optical Technology Co ranks #111 out of 817 companies for EBITDA Margin %. This places Formosa Optical Technology Co in the top 14% of its industry — outperforming the majority of peers. The industry median EBITDA Margin % is 7.44. Formosa Optical Technology Co's value of 21.82% is 193.3% above this benchmark. Historically, Formosa Optical Technology Co's own EBITDA Margin % has ranged from 15.51 to 29.67 over the past decade. While the company's 10-year median is 26.54 vs. the industry median of 7.44, Formosa Optical Technology Co has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EBITDA Margin % for a Medical Devices & Instruments company?
The median EBITDA Margin % among Medical Devices & Instruments companies is 7.44, based on 817 companies in the industry. Companies in the top quartile (top 25%) have a EBITDA Margin % significantly above this median, while those in the bottom quartile fall well below. However, EBITDA Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Formosa Optical Technology Co's current EBITDA Margin % of 21.82% is 193.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high EBITDA Margin % mean?
A high EBITDA Margin % can signal that a stock is expensive relative to its fundamentals. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Formosa Optical Technology Co and its competitors. For the Medical Devices & Instruments industry, the median EBITDA Margin % is 7.44 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Formosa Optical Technology Co's current EBITDA Margin % is 21.82%, which is 18% below median its own 10-year median of 26.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Optical Technology Co stock overvalued right now?
Based on GuruFocus' analysis, Formosa Optical Technology Co (ROCO:5312) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$108.45, compared to a current price of NT$89.70 — trading 17.3% below its estimated fair value. The current EBITDA Margin % is 21.82%, which is 18% below median its 10-year median of 26.54 and 193.3% above the Medical Devices & Instruments industry median of 7.44. Formosa Optical Technology Co's overall GF Score™ is 81/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EBITDA Margin % calculated?
EBITDA Margin % is calculated from a company's financial statements. For Formosa Optical Technology Co (ROCO:5312), the current EBITDA Margin % is 21.82% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Formosa Optical Technology Co (ROCO:5312) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Optical Technology Co stock appears to be undervalued. The current stock price of NT$89.70 is trading 17.3% below its estimated GF Value™ of NT$108.45. GuruFocus considers Formosa Optical Technology Co to be Modestly Undervalued.

Key valuation signals for ROCO:5312:

  • EBITDA Margin %: 21.82% (18% below median its 10-year median of 26.54)
  • GF Value™: NT$108.45 vs. price of NT$89.70 (17.3% below fair value)
  • GF Score™: 81/100 with 4 warning signs
  • Industry Position: 193.3% above the Medical Devices & Instruments median (#111 of 817)

No single metric tells the full story. See the ROCO:5312 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Optical Technology Co Business Description

Address No. 97, Xintai 5th Road, 16th Floor, Section 1, Xizhi District, New Taipei City, TWN
Formosa Optical Technology Co Ltd is mainly engaged in the eyewear business, including optometry services and the retail business selling contact lenses and eye drops. The Group mainly derives revenue from the business divisions of Formosa Optical Technology and Bo Wei Optical, with Formosa Optical Technology generating maximum revenue. The majority of revenue is derived from the sale of glasses. The Group generates the majority of its revenue from Taiwan.
81GF Score

Get the complete analysis for ROCO:5312

EBITDA Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$89.70
Price
NT$108.45
GF Value