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.
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.
EV-to-FCF is calculated as enterprise value divided by its free cash flow. As of today, East Tender Optoelectronics's Enterprise Value is NT$2,819.6 Mil.
East Tender Optoelectronics's Free Cash Flow for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-188.2 Mil. Therefore, East Tender Optoelectronics's EV-to-FCF for today is -14.98.
The historical rank and industry rank for East Tender Optoelectronics's EV-to-FCF or its related term are showing as below:
ROCO:6588'
s EV-to-FCF Range Over the Past 10 Years
Min: -4673.12 Med: -9.76 Max: 120.99
Current: -13.16
During the past 13 years, the highest EV-to-FCF of East Tender Optoelectronics was 120.99. The lowest was -4673.12. And the median was -9.76.
ROCO:6588's EV-to-FCF is ranked worse than 100% of 501
companies
in the Semiconductors industry
Industry Median: 42.4
vs ROCO:6588: -13.16
EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
East Tender Optoelectronics (ROCO:6588) EV-to-FCF Explanation
EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.
East Tender Optoelectronics's PE Ratio (TTM) for today is calculated as:
East Tender Optoelectronics's share price for today is NT$81.50.
East Tender Optoelectronics's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$-1.760.
* 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.
Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Free Cash Flow is an important financial metric because it represents the actual amount of cash at a company's disposal. Companies with a low EV-to-FCF ratio, combined with a strong balance sheet are generally considered as undervalued.
East Tender Optoelectronics EV-to-FCF Related Terms
East Tender Optoelectronics EV-to-FCF Historical Data
* 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.
For the Semiconductors subindustry, East Tender Optoelectronics's EV-to-FCF, along with its competitors' market caps and EV-to-FCF 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 EV-to-FCF vs Semiconductors Industry
For the Semiconductors industry and Technology sector, East Tender Optoelectronics's EV-to-FCF distribution charts can be found below:
* The bar in red indicates where East Tender Optoelectronics's EV-to-FCF falls into.
East Tender Optoelectronics's current Enterprise Value is NT$2,819.6 Mil.
East Tender Optoelectronics's Free Cash Flow for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$-188.2 Mil.
* 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 (ROCO:6588) has a EV-to-FCF of -14.98 as of Jul. 25, 2026. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on East Tender Optoelectronics and its competitors. According to the industry distribution chart, East Tender Optoelectronics ranks #999999 out of 501 companies in the Semiconductors industry.
Is East Tender Optoelectronics' EV-to-FCF too high?
East Tender Optoelectronics' current EV-to-FCF is -14.98. Based on the distribution chart, East Tender Optoelectronics ranks #999999 out of 501 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' EV-to-FCF compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, East Tender Optoelectronics ranks #999999 out of 501 companies for EV-to-FCF. This places East Tender Optoelectronics in the lower half of its industry. The industry median EV-to-FCF is 42.40. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-FCF for a Semiconductors company?
The median EV-to-FCF among Semiconductors companies is 42.40, based on 501 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-FCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-FCF 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 EV-to-FCF mean?
A high EV-to-FCF can signal that a stock is expensive relative to its fundamentals. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on East Tender Optoelectronics and its competitors. For the Semiconductors industry, the median EV-to-FCF is 42.40 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. East Tender Optoelectronics's current EV-to-FCF is -14.98. 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 EV-to-FCF is -14.98. 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 EV-to-FCF calculated?
EV-to-FCF is calculated from a company's financial statements. For East Tender Optoelectronics (ROCO:6588), the current EV-to-FCF is -14.98 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:
EV-to-FCF: -14.98
GF Value™: NT$35.22 vs. price of NT$81.50 (131.4% above fair value)
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 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
EV-to-FCF is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:6588 has been successfully added to your 
