East Tender Optoelectronics (ROCO:6588) OCF Yield %: -2.34 (As of Jul. 25, 2026)

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ROCO:6588 East Tender Optoelectronics Corp ROCO:6588
55 GF Score
Price NT$81.50
GF Value NT$35.22
Valuation Significantly Overvalued
! 3 Warning Signs
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What is East Tender Optoelectronics OCF Yield %?

East Tender Optoelectronics ROCO:6588 +9.99% 55 OCF Yield % is -2.34 as of Jul. 25, 2026. GuruFocus rates ROCO:6588 with a GF Score™ of 55/100 and a GF Value™ of NT$35.22 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,028 Semiconductors companies, East Tender Optoelectronics ranks worse than 79.77% on this metric.

OCF Yield % is calculated as Cash Flow from Operations divided by Market Capitalization. It is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

As of today, East Tender Optoelectronics's Trailing 12-Month Cash Flow from Operations is NT$-58.2 Mil, and Market Cap is NT$2,828.1 Mil. Therefore, East Tender Optoelectronics's OCF Yield % for today is -2.34%.

The historical rank and industry rank for East Tender Optoelectronics's OCF Yield % or its related term are showing as below:

ROCO:6588' s OCF Yield % Range Over the Past 10 Years
Min: -8.21   Med: 1.85   Max: 9.87
Current: -2.34


During the past 13 years, the highest OCF Yield % of East Tender Optoelectronics was 9.87%. The lowest was -8.21%. And the median was 1.85%.

ROCO:6588's OCF Yield % is ranked worse than
79.77% of 1028 companies
in the Semiconductors industry
Industry Median: 1.595 vs ROCO:6588: -2.34

East Tender Optoelectronics's OCF Margin % for the quarter that ended in Dec. 2025 was %.


East Tender Optoelectronics OCF Yield % Explanation

Similar to Earnings Yield %, OCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high operating cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


East Tender Optoelectronics OCF Yield % Related Terms


East Tender Optoelectronics OCF Yield % Historical Data

* Premium members only.

The historical data trend for East Tender Optoelectronics's OCF Yield % 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.

East Tender Optoelectronics OCF Yield % Chart

East Tender Optoelectronics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.43 9.04 -4.96 -1.72 -3.57

East Tender Optoelectronics Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
OCF Yield % 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 0.04 -0.46 -12.03 -11.58 0.11

ROCO:6588 vs NVDA, AVGO, MU: OCF Yield % Comparison

For the Semiconductors subindustry, East Tender Optoelectronics's OCF Yield %, along with its competitors' market caps and OCF Yield % 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.


East Tender Optoelectronics OCF Yield % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, East Tender Optoelectronics's OCF Yield % distribution charts can be found below:

* The bar in red indicates where East Tender Optoelectronics's OCF Yield % falls into.


ROCO:6588
55GF Score
East Tender Optoelectronics Corp ROCO:6588
OCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

East Tender Optoelectronics OCF Yield % Calculation

OCF Yield % is a financial solvency ratio that compares the operating cash flow a company is expected to earn against its market value.

East Tender Optoelectronics's OCF Yield % for the fiscal year that ended in Dec. 2025 is calculated as

OCF Yield %=Cash Flow from Operations / Market Cap
=-58.228 / 1630.947
=-3.57%

East Tender Optoelectronics's annualized OCF Yield % for the quarter that ended in Dec. 2025 is calculated as

OCF Yield %=Cash Flow from Operations * Annualized Factor / Market Cap
=0.434 * 4 / 1630.947
=0.11%

* 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 Yield % →
What does a OCF Yield % of -2.34 mean?
East Tender Optoelectronics (ROCO:6588) has a OCF Yield % of -2.34 as of Jul. 25, 2026. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on East Tender Optoelectronics and its competitors. According to the industry distribution chart, East Tender Optoelectronics ranks #820 out of 1028 companies in the Semiconductors industry, placing it in the top 79.8%.
Is East Tender Optoelectronics' OCF Yield % too high?
East Tender Optoelectronics' current OCF Yield % is -2.34. Based on the distribution chart, East Tender Optoelectronics ranks #820 out of 1028 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, East Tender Optoelectronics has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does East Tender Optoelectronics' OCF Yield % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, East Tender Optoelectronics ranks #820 out of 1028 companies for OCF Yield %. This places East Tender Optoelectronics in the lower half of its industry. The industry median OCF Yield % is 1.60. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good OCF Yield % for a Semiconductors company?
The median OCF Yield % among Semiconductors companies is 1.60, based on 1,028 companies in the industry. Companies in the top quartile (top 25%) have a OCF Yield % significantly above this median, while those in the bottom quartile fall well below. However, OCF Yield % 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 Yield % mean?
A high OCF Yield % can signal that a stock is expensive relative to its fundamentals. OCF Yield is calculated as Cash Flow from Operations divided by Market Capitalization. View historical data on East Tender Optoelectronics and its competitors. For the Semiconductors industry, the median OCF Yield % is 1.60 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. East Tender Optoelectronics's current OCF Yield % is -2.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is East Tender Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, East Tender Optoelectronics (ROCO:6588) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$35.22, compared to a current price of NT$81.50 — trading 131.4% above its estimated fair value. The current OCF Yield % is -2.34. East Tender Optoelectronics' overall GF Score™ is 55/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Yield % calculated?
OCF Yield % is calculated from a company's financial statements. For East Tender Optoelectronics (ROCO:6588), the current OCF Yield % is -2.34 as of Jul. 25, 2026. 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 East Tender Optoelectronics (ROCO:6588) Overvalued in 2026?

Based on GuruFocus' analysis, East Tender Optoelectronics stock appears to be overvalued. The current stock price of NT$81.50 is trading 131.4% above its estimated GF Value™ of NT$35.22. GuruFocus considers East Tender Optoelectronics to be Significantly Overvalued.

Key valuation signals for ROCO:6588:

  • OCF Yield %: -2.34
  • GF Value™: NT$35.22 vs. price of NT$81.50 (131.4% above fair value)
  • GF Score™: 55/100 with 3 warning signs

No single metric tells the full story. See the ROCO:6588 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


East Tender Optoelectronics Business Description

Address No. 70, Section 2, Ligong 1st Road, Wujie Township, Yilan, TWN
East Tender Optoelectronics Corp is a Taiwan-based company engaged in developing and providing optical coating products and services. It offers narrow-band and broad-band filter chips.
55GF Score

Get the complete analysis for ROCO:6588

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

NT$81.50
Price
NT$35.22
GF Value