RDC Semiconductor Co (ROCO:3228) OCF Margin %: -2.59% (As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:3228 RDC Semiconductor Co Ltd ROCO:3228
56 GF Score
Price NT$172.00
GF Value NT$135.91
Valuation Modestly Overvalued
! 4 Warning Signs
View Full Analysis

What is RDC Semiconductor Co OCF Margin %?

RDC Semiconductor Co ROCO:3228 +2.38% 56 OCF Margin % is -2.59% as of Dec. 2025. GuruFocus rates ROCO:3228 with a GF Score™ of 56/100 and a GF Value™ of NT$135.91 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 1,022 Semiconductors companies, RDC Semiconductor Co ranks worse than 65.75% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. RDC Semiconductor Co's Cash Flow from Operations for the three months ended in Dec. 2025 was NT$-1.9 Mil. RDC Semiconductor Co's Revenue for the three months ended in Dec. 2025 was NT$72.8 Mil. Therefore, RDC Semiconductor Co's OCF Margin % for the quarter that ended in Dec. 2025 was -2.59%.

As of today, RDC Semiconductor Co's current OCF Yield % is 0.05%.

The historical rank and industry rank for RDC Semiconductor Co's OCF Margin % or its related term are showing as below:

ROCO:3228' s OCF Margin % Range Over the Past 10 Years
Min: -0.68   Med: 12.45   Max: 60.68
Current: 1.84


During the past 13 years, the highest OCF Margin % of RDC Semiconductor Co was 60.68%. The lowest was -0.68%. And the median was 12.45%.

ROCO:3228's OCF Margin % is ranked worse than
65.75% of 1022 companies
in the Semiconductors industry
Industry Median: 9.5 vs ROCO:3228: 1.84


RDC Semiconductor Co OCF Margin % Related Terms


RDC Semiconductor Co OCF Margin % Historical Data

* Premium members only.

The historical data trend for RDC Semiconductor Co's OCF 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.

RDC Semiconductor Co OCF Margin % Chart

RDC Semiconductor Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 30.06 27.75 0.73 22.22 1.84

RDC Semiconductor Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
OCF 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 -6.27 -1.79 -13.49 24.50 -2.59

ROCO:3228 vs NVDA, AVGO, MU: OCF Margin % Comparison

For the Semiconductors subindustry, RDC Semiconductor Co's OCF Margin %, along with its competitors' market caps and OCF 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.


RDC Semiconductor Co OCF Margin % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, RDC Semiconductor Co's OCF Margin % distribution charts can be found below:

* The bar in red indicates where RDC Semiconductor Co's OCF Margin % falls into.


ROCO:3228
56GF Score
RDC Semiconductor Co Ltd ROCO:3228
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

RDC Semiconductor Co OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

RDC Semiconductor Co's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=5.675/308.984
=1.84 %

RDC Semiconductor Co's OCF Margin for the quarter that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-1.888/72.821
=-2.59 %

* 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 OCF Margin % →
What does a OCF Margin % of -2.59% mean?
RDC Semiconductor Co (ROCO:3228) has a OCF Margin % of -2.59% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on RDC Semiconductor Co and its competitors. According to the industry distribution chart, RDC Semiconductor Co ranks #672 out of 1022 companies in the Semiconductors industry, placing it in the top 65.8%.
Is RDC Semiconductor Co's OCF Margin % too high?
RDC Semiconductor Co's current OCF Margin % is -2.59%. Based on the distribution chart, RDC Semiconductor Co ranks #672 out of 1022 companies in the Semiconductors industry, which is below the industry midpoint. Overall, RDC Semiconductor Co has a GF Score™ of 56/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does RDC Semiconductor Co's OCF Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, RDC Semiconductor Co ranks #672 out of 1022 companies for OCF Margin %. This places RDC Semiconductor Co in the lower half of its industry. The industry median OCF Margin % is 9.50. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Margin % for a Semiconductors company?
The median OCF Margin % among Semiconductors companies is 9.50, based on 1,022 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on RDC Semiconductor Co and its competitors. For the Semiconductors industry, the median OCF Margin % is 9.50 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. RDC Semiconductor Co's current OCF Margin % is -2.59%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is RDC Semiconductor Co stock overvalued right now?
Based on GuruFocus' analysis, RDC Semiconductor Co (ROCO:3228) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$135.91, compared to a current price of NT$172.00 — trading 26.6% above its estimated fair value. The current OCF Margin % is -2.59%. RDC Semiconductor Co's overall GF Score™ is 56/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For RDC Semiconductor Co (ROCO:3228), the current OCF Margin % is -2.59% 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 RDC Semiconductor Co (ROCO:3228) Overvalued in 2026?

Based on GuruFocus' analysis, RDC Semiconductor Co stock appears to be overvalued. The current stock price of NT$172.00 is trading 26.6% above its estimated GF Value™ of NT$135.91. GuruFocus considers RDC Semiconductor Co to be Modestly Overvalued.

Key valuation signals for ROCO:3228:

  • OCF Margin %: -2.59%
  • GF Value™: NT$135.91 vs. price of NT$172.00 (26.6% above fair value)
  • GF Score™: 56/100 with 4 warning signs

No single metric tells the full story. See the ROCO:3228 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


RDC Semiconductor Co Business Description

Address Lixing Road, 6th Floor-1, No.2-1, Hsinchu Science Park, Hsinchu, TWN, 30078
RDC Semiconductor Co Ltd mainly researches, develops, manufactures, and sells 16-bit and 32-bit microcontrollers, microelectromechanical integrated applications and products, 32-bit and 64-bit microprocessors, IA automated system-on-a-chip (SoC) products, digital system applications products, server and cloud storage system chip products. The products of the company include Processor Platform, MCU & NPU, Low Power SoCs, RDC ASIC Service, and others.
56GF Score

Get the complete analysis for ROCO:3228

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

NT$172.00
Price
NT$135.91
GF Value