Shian Yih Electronic Industry Co (ROCO:3531) Net Debt Paydown Yield % : 3.32% (As of Jul. 25, 2026) — 101% Above Median

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:3531 Shian Yih Electronic Industry Co Ltd ROCO:3531
68 GF Score
Price NT$22.80
GF Value NT$18.21
Valuation Modestly Overvalued
! 6 Warning Signs
View Full Analysis

What is Shian Yih Electronic Industry Co Net Debt Paydown Yield %?

Shian Yih Electronic Industry Co ROCO:3531 68 Net Debt Paydown Yield % is 3.32% as of Jul. 25, 2026, which is 101% above its 10-year median of 1.65. GuruFocus rates ROCO:3531 with a GF Score™ of 68/100 and a GF Value™ of NT$18.21 (Modestly Overvalued). The stock has 6 warning signs investors should review. Among 967 Semiconductors companies, Shian Yih Electronic Industry Co ranks better than 87.9% 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, Shian Yih Electronic Industry Co's Net Debt Paydown Yield % was 3.32%.


Shian Yih Electronic Industry Co  (ROCO:3531) 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.

We calculating the TTM average debt by adding up the total debt, calculated by the sum of Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation, in the trailing twelve months(TTM) divided by the counts of the total debt, accoring to the company's report frequency.


Shian Yih Electronic Industry Co Net Debt Paydown Yield % Related Terms


Shian Yih Electronic Industry Co Net Debt Paydown Yield % Historical Data

* Premium members only.

The historical data trend for Shian Yih Electronic Industry Co'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.

Shian Yih Electronic Industry Co Net Debt Paydown Yield % Chart

Shian Yih Electronic Industry Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Net Debt Paydown Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -11.29 -1.28 9.03 4.46 3.47

Shian Yih Electronic Industry Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Net Debt Paydown 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 4.46 3.35 3.44 3.58 3.47

ROCO:3531 vs NVDA, AVGO, MU: Net Debt Paydown Yield % Comparison

For the Semiconductors subindustry, Shian Yih Electronic Industry Co'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.


Shian Yih Electronic Industry Co Net Debt Paydown Yield % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Shian Yih Electronic Industry Co's Net Debt Paydown Yield % distribution charts can be found below:

* The bar in red indicates where Shian Yih Electronic Industry Co's Net Debt Paydown Yield % falls into.


ROCO:3531
68GF Score
Shian Yih Electronic Industry Co Ltd ROCO:3531
Net Debt Paydown Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Shian Yih Electronic Industry Co Net Debt Paydown Yield % Calculation

Shian Yih Electronic Industry Co's Net Debt Paydown Yield % for the quarter that ended in Dec. 2025 is calculated as:

Net Debt Paydown Yield %
=( TTM Average Debt   (1-Year Ago))-TTM Average Debt )/Market Cap
=( 162.71-116.46 )/1333.615
=3.47 %

* 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 3.32% mean?
Shian Yih Electronic Industry Co (ROCO:3531) has a Net Debt Paydown Yield % of 3.32% as of Jul. 25, 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 Shian Yih Electronic Industry Co and its competitors. This is 101% above median its historical median of 1.65. According to the industry distribution chart, Shian Yih Electronic Industry Co ranks #117 out of 967 companies in the Semiconductors industry, placing it in the top 12.1%.
Is Shian Yih Electronic Industry Co's Net Debt Paydown Yield % too high?
Shian Yih Electronic Industry Co's current Net Debt Paydown Yield % of 3.32% is 101% above median its 10-year median of 1.65. Based on the distribution chart, Shian Yih Electronic Industry Co ranks #117 out of 967 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Shian Yih Electronic Industry Co has a GF Score™ of 68/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Shian Yih Electronic Industry Co's Net Debt Paydown Yield % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Shian Yih Electronic Industry Co ranks #117 out of 967 companies for Net Debt Paydown Yield %. This places Shian Yih Electronic Industry Co in the top 12% of its industry — outperforming the majority of peers. 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 Semiconductors company?
A good Net Debt Paydown Yield % depends on the Semiconductors 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 Shian Yih Electronic Industry Co and its competitors. Shian Yih Electronic Industry Co's current Net Debt Paydown Yield % is 3.32%, which is 101% above median its own 10-year median of 1.65. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Shian Yih Electronic Industry Co stock overvalued right now?
Based on GuruFocus' analysis, Shian Yih Electronic Industry Co (ROCO:3531) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$18.21, compared to a current price of NT$22.80 — trading 25.2% above its estimated fair value. The current Net Debt Paydown Yield % is 3.32%, which is 101% above median its 10-year median of 1.65. Shian Yih Electronic Industry Co's overall GF Score™ is 68/100 with 6 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 Shian Yih Electronic Industry Co (ROCO:3531), the current Net Debt Paydown Yield % is 3.32% 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 Shian Yih Electronic Industry Co (ROCO:3531) Overvalued in 2026?

Based on GuruFocus' analysis, Shian Yih Electronic Industry Co stock appears to be overvalued. The current stock price of NT$22.80 is trading 25.2% above its estimated GF Value™ of NT$18.21. GuruFocus considers Shian Yih Electronic Industry Co to be Modestly Overvalued.

Key valuation signals for ROCO:3531:

  • Net Debt Paydown Yield %: 3.32% (101% above median its 10-year median of 1.65)
  • GF Value™: NT$18.21 vs. price of NT$22.80 (25.2% above fair value)
  • GF Score™: 68/100 with 6 warning signs

No single metric tells the full story. See the ROCO:3531 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Shian Yih Electronic Industry Co Business Description

Address No. 22, Industry 24th Road, Taichung Industrial Park, Taichung, TWN
Shian Yih Electronic Industry Co Ltd manufactures small to medium-sized LED backlight modules in Taiwan. Its products are applied in liquid crystal displays (LCDs), notebook computers, LCD televisions, digital cameras, personal digital assistants (PDAs), and mobile phones. Its products comprise small to medium-sized LED backlight modules, motorcycle and vehicle LED headlight modules, LED packaging & sales (IR, light emitting diode, PT), mold design and fabrication, and plastic injection molding. The companies reportable segment is the Backlight Module Segment. The back light module segment principally engages in the manufacture and sale of products related to back light modules.
68GF Score

Get the complete analysis for ROCO:3531

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

NT$22.80
Price
NT$18.21
GF Value