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.
TacBright OptronicsROCO:6434 -8.26%40 Net Debt Paydown Yield % is 1.59% as of Jul. 27, 2026, which is 67% below its 10-year median of 4.77. GuruFocus rates ROCO:6434 with a GF Score™ of 40/100 and a GF Value™ of NT$4.06 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 1,490 Chemicals companies, TacBright Optronics ranks better than 73.62% on this metric.
Net Debt Paydown Yield % is a metric that evaluates the total amount of debt a company has paid in relation to its market capitalization. It is a measure of a company's willingness and ability to reduce its debt.
As of today, TacBright Optronics's Net Debt Paydown Yield % was 1.59%.
TacBright Optronics (ROCO:6434) Net Debt Paydown Yield % Explanation
Net Debt Paydown Yield % is the change in average of four quarters of company's total debt over a company's market cap. Assuming the total value of a company remains that same, shareholder value is increased as debt is reduced. In other words, it is a measure of the willingness and ability of a firm's management to pay down debt. Companies that have high debt paydown yields indicate that they are more aggressive with paying down debt.
In the calculation of Net Debt Paydown Yield %, we use the reductions of TTM average total debt one-year-ago and TTM average total debt at present, divided by its Market Cap.
TacBright Optronics Net Debt Paydown Yield % Related Terms
TacBright Optronics Net Debt Paydown Yield % Historical Data
* Premium members only.
The historical data trend for TacBright Optronics's Net Debt Paydown 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.
TacBright Optronics Net Debt Paydown Yield % Chart
ROCO:6434 vs LIN, SHW, ECL: Net Debt Paydown Yield % Comparison
For the Specialty Chemicals subindustry, TacBright Optronics's Net Debt Paydown Yield %, along with its competitors' market caps and Net Debt Paydown 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.
TacBright Optronics Net Debt Paydown Yield % vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, TacBright Optronics's Net Debt Paydown Yield % distribution charts can be found below:
* The bar in red indicates where TacBright Optronics's Net Debt Paydown Yield % falls into.
* 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.
* All the data are calculated by TTM values. Note that if a companies is traded in several exchanges, then we calculate the company level data for Net Debt Paydown Yield % using the primary share class stock data. The calculation result in definition page is for demonstration purpose only, and it's showing the share class level data. Therefore, the numbers in the calculation may differ from elsewhere if the stock is not a primary share.
What does a Net Debt Paydown Yield % of 1.59% mean?
TacBright Optronics (ROCO:6434) has a Net Debt Paydown Yield % of 1.59% as of Jul. 27, 2026. Net Debt Paydown Yield is a metric that evaluates the total amount of debt a company has paid in relation to its market capitalization. This metric provides insight into a company's willingness and ability to reduce its debt using free cash flow. View historical data on TacBright Optronics and its competitors. This is 67% below median its historical median of 4.77. According to the industry distribution chart, TacBright Optronics ranks #393 out of 1490 companies in the Chemicals industry, placing it in the top 26.4%.
Is TacBright Optronics' Net Debt Paydown Yield % too high?
TacBright Optronics' current Net Debt Paydown Yield % of 1.59% is 67% below median its 10-year median of 4.77. Based on the distribution chart, TacBright Optronics ranks #393 out of 1490 companies in the Chemicals industry, which is above the industry midpoint. Overall, TacBright Optronics has a GF Score™ of 40/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TacBright Optronics' Net Debt Paydown Yield % compare to LIN and SHW?
According to the Chemicals industry distribution chart, TacBright Optronics ranks #393 out of 1490 companies for Net Debt Paydown Yield %. This puts TacBright Optronics in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net Debt Paydown Yield % for a Chemicals company?
A good Net Debt Paydown Yield % depends on the Chemicals industry context. However, Net Debt Paydown 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 Net Debt Paydown Yield % mean?
A high Net Debt Paydown Yield % can signal that a stock is expensive relative to its fundamentals. Net Debt Paydown Yield is a metric that evaluates the total amount of debt a company has paid in relation to its market capitalization. This metric provides insight into a company's willingness and ability to reduce its debt using free cash flow. View historical data on TacBright Optronics and its competitors. TacBright Optronics's current Net Debt Paydown Yield % is 1.59%, which is 67% below median its own 10-year median of 4.77. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TacBright Optronics stock overvalued right now?
Based on GuruFocus' analysis, TacBright Optronics (ROCO:6434) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$4.06, compared to a current price of NT$11.10 — trading 173.4% above its estimated fair value. The current Net Debt Paydown Yield % is 1.59%, which is 67% below median its 10-year median of 4.77. TacBright Optronics' 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 Net Debt Paydown Yield % calculated?
Net Debt Paydown Yield % is calculated from a company's financial statements. For TacBright Optronics (ROCO:6434), the current Net Debt Paydown Yield % is 1.59% as of Jul. 27, 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 TacBright Optronics (ROCO:6434) Overvalued in 2026?
Based on GuruFocus' analysis, TacBright Optronics stock appears to be overvalued.
The current stock price of NT$11.10 is trading 173.4% above its estimated GF Value™ of NT$4.06.
GuruFocus considers TacBright Optronics to be Significantly Overvalued.
Key valuation signals for ROCO:6434:
Net Debt Paydown Yield %: 1.59% (67% below median its 10-year median of 4.77)
GF Value™: NT$4.06 vs. price of NT$11.10 (173.4% above fair value)
No single metric tells the full story. See the ROCO:6434 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
TacBright Optronics Corp is engaged in synthetic resin and plastic manufacturing, surface treatment, wholesale and retail of chemical raw materials, and electronics. Wholesale and retail of sub-materials and manufacturing of precision chemical materials.
40GF Score
Get the complete analysis for ROCO:6434
Net Debt Paydown Yield % 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:6434 has been successfully added to your 
