E&R Engineering (ROCO:8027) OCF Margin %: -7.37% (As of Dec. 2025)

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ROCO:8027 E&R Engineering Corp ROCO:8027
40 GF Score
Price NT$239.00
GF Value NT$102.36
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is E&R Engineering OCF Margin %?

E&R Engineering ROCO:8027 -2.05% 40 OCF Margin % is -7.37% as of Dec. 2025. GuruFocus rates ROCO:8027 with a GF Score™ of 40/100 and a GF Value™ of NT$102.36 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 3,033 Industrial Products companies, E&R Engineering ranks better than 52.13% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. E&R Engineering's Cash Flow from Operations for the three months ended in Dec. 2025 was NT$-53 Mil. E&R Engineering's Revenue for the three months ended in Dec. 2025 was NT$721 Mil. Therefore, E&R Engineering's OCF Margin % for the quarter that ended in Dec. 2025 was -7.37%.

As of today, E&R Engineering's current OCF Yield % is 0.53%.

The historical rank and industry rank for E&R Engineering's OCF Margin % or its related term are showing as below:

ROCO:8027' s OCF Margin % Range Over the Past 10 Years
Min: -10.94   Med: 0.93   Max: 21.6
Current: 7.56


During the past 13 years, the highest OCF Margin % of E&R Engineering was 21.60%. The lowest was -10.94%. And the median was 0.93%.

ROCO:8027's OCF Margin % is ranked better than
52.13% of 3033 companies
in the Industrial Products industry
Industry Median: 7.06 vs ROCO:8027: 7.56


E&R Engineering OCF Margin % Related Terms


E&R Engineering OCF Margin % Historical Data

* Premium members only.

The historical data trend for E&R Engineering'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.

E&R Engineering OCF Margin % Chart

E&R Engineering 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 0.84 -7.25 15.90 21.60 7.56

E&R Engineering 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 23.69 37.96 -23.54 39.80 -7.37

ROCO:8027 vs GEV, ETN, PH: OCF Margin % Comparison

For the Specialty Industrial Machinery subindustry, E&R Engineering'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.


E&R Engineering OCF Margin % vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, E&R Engineering's OCF Margin % distribution charts can be found below:

* The bar in red indicates where E&R Engineering's OCF Margin % falls into.


ROCO:8027
40GF Score
E&R Engineering Corp ROCO:8027
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

E&R Engineering OCF Margin % Calculation

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

E&R Engineering'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 )
=136.771/1809.347
=7.56 %

E&R Engineering'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 )
=-53.196/721.417
=-7.37 %

* 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 -7.37% mean?
E&R Engineering (ROCO:8027) has a OCF Margin % of -7.37% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on E&R Engineering and its competitors. According to the industry distribution chart, E&R Engineering ranks #1452 out of 3033 companies in the Industrial Products industry, placing it in the top 47.9%.
Is E&R Engineering's OCF Margin % too high?
E&R Engineering's current OCF Margin % is -7.37%. Based on the distribution chart, E&R Engineering ranks #1452 out of 3033 companies in the Industrial Products industry, which is above the industry midpoint. Overall, E&R Engineering has a GF Score™ of 40/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does E&R Engineering's OCF Margin % compare to GEV and ETN?
According to the Industrial Products industry distribution chart, E&R Engineering ranks #1452 out of 3033 companies for OCF Margin %. This puts E&R Engineering in the upper half of its industry. The industry median OCF Margin % is 7.06. 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 an Industrial Products company?
The median OCF Margin % among Industrial Products companies is 7.06, based on 3,033 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 E&R Engineering and its competitors. For the Industrial Products industry, the median OCF Margin % is 7.06 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. E&R Engineering's current OCF Margin % is -7.37%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is E&R Engineering stock overvalued right now?
Based on GuruFocus' analysis, E&R Engineering (ROCO:8027) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$102.36, compared to a current price of NT$239.00 — trading 133.5% above its estimated fair value. The current OCF Margin % is -7.37%. E&R Engineering's overall GF Score™ is 40/100 with 3 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 E&R Engineering (ROCO:8027), the current OCF Margin % is -7.37% 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 E&R Engineering (ROCO:8027) Overvalued in 2026?

Based on GuruFocus' analysis, E&R Engineering stock appears to be overvalued. The current stock price of NT$239.00 is trading 133.5% above its estimated GF Value™ of NT$102.36. GuruFocus considers E&R Engineering to be Significantly Overvalued.

Key valuation signals for ROCO:8027:

  • OCF Margin %: -7.37%
  • GF Value™: NT$102.36 vs. price of NT$239.00 (133.5% above fair value)
  • GF Score™: 40/100 with 3 warning signs

No single metric tells the full story. See the ROCO:8027 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


E&R Engineering Business Description

Address Hengshan Road, No. 61, Yanchao District, Kaohsiung, TWN, 824
E&R Engineering Corp engages mainly in the planning, designing, manufacturing, installing, and selling of automatic machines, related components, computer software, and pollution control equipment. Its main product offerings include laser and plasma equipment for semiconductor, LED, and passive component industries; laboratory testing equipment, flexible printed circuit equipment, and semiconductor packaging solutions. The Group operates in the following reportable segments: Automation Equipment, which generates the maximum revenue, Flexible Printed Circuit (FPC), Semiconductor Packaging Materials, and Others. Geographically, it generates maximum revenue from Taiwan, and the rest from Hong Kong and Mainland China, Southeast Asia, America, Europe, and other regions.
40GF Score

Get the complete analysis for ROCO:8027

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

NT$239.00
Price
NT$102.36
GF Value