Sunflex Technology (ROCO:3390) FCF Margin %: -27.67% (As of Dec. 2025)


ROCO:3390 Sunflex Technology Corp ROCO:3390
62 GF Score
Price NT$27.00
GF Value NT$19.99
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Sunflex Technology FCF Margin %?

Sunflex Technology ROCO:3390 -3.40% 62 FCF Margin % is -27.67% as of Dec. 2025. GuruFocus rates ROCO:3390 with a GF Score™ of 62/100 and a GF Value™ of NT$19.99 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,472 Hardware companies, Sunflex Technology ranks worse than 93.65% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Sunflex Technology's Free Cash Flow for the three months ended in Dec. 2025 was NT$-59.8 Mil. Sunflex Technology's Revenue for the three months ended in Dec. 2025 was NT$216.3 Mil. Therefore, Sunflex Technology's FCF Margin % for the quarter that ended in Dec. 2025 was -27.67%.

As of today, Sunflex Technology's current FCF Yield % is -22.14%.

The historical rank and industry rank for Sunflex Technology's FCF Margin % or its related term are showing as below:

ROCO:3390' s FCF Margin % Range Over the Past 10 Years
Min: -59.59   Med: -0.01   Max: 22.33
Current: -59.59


During the past 13 years, the highest FCF Margin % of Sunflex Technology was 22.33%. The lowest was -59.59%. And the median was -0.01%.

ROCO:3390's FCF Margin % is ranked worse than
93.65% of 2472 companies
in the Hardware industry
Industry Median: 0.645 vs ROCO:3390: -59.59


Sunflex Technology FCF Margin % Related Terms


Sunflex Technology FCF Margin % Historical Data

* Premium members only.

The historical data trend for Sunflex Technology's FCF 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.

Sunflex Technology FCF Margin % Chart

Sunflex Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -4.10 11.29 22.33 8.34 -59.59

Sunflex Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
FCF 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 -8.79 -177.99 -8.47 -25.04 -27.67

ROCO:3390 vs APH, GLW: FCF Margin % Comparison

For the Electronic Components subindustry, Sunflex Technology's FCF Margin %, along with its competitors' market caps and FCF 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.


Sunflex Technology FCF Margin % vs Hardware Industry

For the Hardware industry and Technology sector, Sunflex Technology's FCF Margin % distribution charts can be found below:

* The bar in red indicates where Sunflex Technology's FCF Margin % falls into.


ROCO:3390
62GF Score
Sunflex Technology Corp ROCO:3390
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Sunflex Technology FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Sunflex Technology's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-472.081/792.26
=-59.59 %

Sunflex Technology's FCF Margin for the quarter that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-59.844/216.271
=-27.67 %

* 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 FCF Margin % →
What does a FCF Margin % of -27.67% mean?
Sunflex Technology (ROCO:3390) has a FCF Margin % of -27.67% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Sunflex Technology and its competitors. According to the industry distribution chart, Sunflex Technology ranks #2315 out of 2472 companies in the Hardware industry, placing it in the top 93.6%.
Is Sunflex Technology's FCF Margin % too high?
Sunflex Technology's current FCF Margin % is -27.67%. Based on the distribution chart, Sunflex Technology ranks #2315 out of 2472 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Sunflex Technology has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sunflex Technology's FCF Margin % compare to APH and GLW?
According to the Hardware industry distribution chart, Sunflex Technology ranks #2315 out of 2472 companies for FCF Margin %. This places Sunflex Technology in the lower half of its industry. The industry median FCF Margin % is 0.65. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Hardware company?
The median FCF Margin % among Hardware companies is 0.65, based on 2,472 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Sunflex Technology and its competitors. For the Hardware industry, the median FCF Margin % is 0.65 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sunflex Technology's current FCF Margin % is -27.67%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sunflex Technology stock overvalued right now?
Based on GuruFocus' analysis, Sunflex Technology (ROCO:3390) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$19.99, compared to a current price of NT$27.00 — trading 35.1% above its estimated fair value. The current FCF Margin % is -27.67%. Sunflex Technology's overall GF Score™ is 62/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Sunflex Technology (ROCO:3390), the current FCF Margin % is -27.67% 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 Sunflex Technology (ROCO:3390) Overvalued in 2026?

Based on GuruFocus' analysis, Sunflex Technology stock appears to be overvalued. The current stock price of NT$27.00 is trading 35.1% above its estimated GF Value™ of NT$19.99. GuruFocus considers Sunflex Technology to be Significantly Overvalued.

Key valuation signals for ROCO:3390:

  • FCF Margin %: -27.67%
  • GF Value™: NT$19.99 vs. price of NT$27.00 (35.1% above fair value)
  • GF Score™: 62/100 with 6 warning signs

No single metric tells the full story. See the ROCO:3390 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sunflex Technology Business Description

Address No. 522, Nanshang Road, Guishan District, Taoyuan, TWN, 333014
Sunflex Technology Corp is the manufacture of electronic components and international trades. It provides single and double-sided flexible PCBs that are applied in the manufacturing of mobile phones, notebook computers, disk players, and LCDs. The company applications include touch panels, liquid crystal module, computer accessories, and a light bar. The Company's operating revenue is mainly derived from the production and sales of customized flexible circuit boards.
62GF Score

Get the complete analysis for ROCO:3390

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

NT$27.00
Price
NT$19.99
GF Value