STL Technology Co (ROCO:4931) Interest Coverage: 2,671.22 (As of Dec. 2025) — 943% 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:4931 STL Technology Co Ltd ROCO:4931
58 GF Score
Price NT$199.00
GF Value NT$47.66
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is STL Technology Co Interest Coverage?

STL Technology Co ROCO:4931 -9.95% 58 Interest Coverage is 2,671.22 as of Dec. 2025, which is 943% above its 10-year median of 255.99. GuruFocus rates ROCO:4931 with a GF Score™ of 58/100 and a GF Value™ of NT$47.66 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 2,321 Industrial Products companies, STL Technology Co ranks better than 95.17% on this metric.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income by its Interest Expense. STL Technology Co's Operating Income for the three months ended in Dec. 2025 was NT$123 Mil. STL Technology Co's Interest Expense for the three months ended in Dec. 2025 was NT$-0 Mil. STL Technology Co's interest coverage for the quarter that ended in Dec. 2025 was 2,671.22. The higher the ratio, the stronger the company's financial strength is.

Good Sign:

Ben Graham prefers companies' interest coverage to be at least 5. STL Technology Co Ltd has enough cash to cover all of its debt. Its financial situation is stable.

The historical rank and industry rank for STL Technology Co's Interest Coverage or its related term are showing as below:

ROCO:4931' s Interest Coverage Range Over the Past 10 Years
Min: 56.61   Med: 255.99   Max: 1379.92
Current: 1379.92


ROCO:4931's Interest Coverage is ranked better than
95.17% of 2321 companies
in the Industrial Products industry
Industry Median: 14.75 vs ROCO:4931: 1379.92

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.


STL Technology Co  (ROCO:4931) Interest Coverage Explanation

Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.

Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .


STL Technology Co Interest Coverage Related Terms


STL Technology Co Interest Coverage Historical Data

* Premium members only.

The historical data trend for STL Technology Co's Interest Coverage 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.

Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.

STL Technology Co Interest Coverage Chart

STL Technology Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Coverage
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 66.98 56.61 947.72 1,379.92

STL Technology Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Interest Coverage 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 1,166.39 3,732.25 0.00 658.69 2,671.22

ROCO:4931 vs VRT, BE: Interest Coverage Comparison

For the Electrical Equipment & Parts subindustry, STL Technology Co's Interest Coverage, along with its competitors' market caps and Interest Coverage 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.


STL Technology Co Interest Coverage vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, STL Technology Co's Interest Coverage distribution charts can be found below:

* The bar in red indicates where STL Technology Co's Interest Coverage falls into.


ROCO:4931
58GF Score
STL Technology Co Ltd ROCO:4931
Interest Coverage is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

STL Technology Co Interest Coverage Calculation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:

If Interest Expense is negative and Operating Income is positive, then

Interest Coverage=-1* Operating Income /Interest Expense

Else if Interest Expense is negative and Operating Income is negative, then

The company did not have earnings to cover the interest expense.

Else if Interest Expense is 0 and Long-Term Debt & Capital Lease Obligation is 0, then

The company had no debt (1).


Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

STL Technology Co's Interest Coverage for the fiscal year that ended in Dec. 2025 is calculated as

Here, for the fiscal year that ended in Dec. 2025, STL Technology Co's Interest Expense was NT$-0 Mil. Its Operating Income was NT$250 Mil. And its Long-Term Debt & Capital Lease Obligation was NT$6 Mil.

Interest Coverage=-1* Operating Income (A: Dec. 2025 )/Interest Expense (A: Dec. 2025 )
=-1*249.765/-0.181
=1,379.92

STL Technology Co's Interest Coverage for the quarter that ended in Dec. 2025 is calculated as

Here, for the three months ended in Dec. 2025, STL Technology Co's Interest Expense was NT$-0 Mil. Its Operating Income was NT$123 Mil. And its Long-Term Debt & Capital Lease Obligation was NT$6 Mil.

Interest Coverage=-1* Operating Income (Q: Dec. 2025 )/Interest Expense (Q: Dec. 2025 )
=-1*122.876/-0.046
=2,671.22

* 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.

The higher the ratio, the stronger the company's Financial Strength is.

Frequently Asked Questions Learn more about Interest Coverage →
What does a Interest Coverage of 2,671.22 mean?
STL Technology Co (ROCO:4931) has a Interest Coverage of 2,671.22 as of Dec. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on STL Technology Co and its competitors. This is 943% above median its historical median of 255.99. Over the past decade, STL Technology Co's Interest Coverage has ranged from 56.61 to 1,379.92. According to the industry distribution chart, STL Technology Co ranks #112 out of 2321 companies in the Industrial Products industry, placing it in the top 4.8%.
Is STL Technology Co's Interest Coverage too high?
STL Technology Co's current Interest Coverage of 2,671.22 is 943% above median its 10-year median of 255.99. Over the past 10 years, this metric has ranged from a low of 56.61 to a high of 1,379.92. The Industrial Products industry median Interest Coverage is 14.75. STL Technology Co's value of 2,671.22 is 18010% above this industry median. Based on the distribution chart, STL Technology Co ranks #112 out of 2321 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, STL Technology Co has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does STL Technology Co's Interest Coverage compare to VRT and BE?
According to the Industrial Products industry distribution chart, STL Technology Co ranks #112 out of 2321 companies for Interest Coverage. This places STL Technology Co in the top 5% of its industry — outperforming the majority of peers. The industry median Interest Coverage is 14.75. STL Technology Co's value of 2,671.22 is 18010% above this benchmark. Historically, STL Technology Co's own Interest Coverage has ranged from 56.61 to 1,379.92 over the past decade. While the company's 10-year median is 255.99 vs. the industry median of 14.75, STL Technology Co has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Coverage for an Industrial Products company?
The median Interest Coverage among Industrial Products companies is 14.75, based on 2,321 companies in the industry. Companies in the top quartile (top 25%) have a Interest Coverage significantly above this median, while those in the bottom quartile fall well below. However, Interest Coverage should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. STL Technology Co's current Interest Coverage of 2,671.22 is 18010% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Interest Coverage mean?
A high Interest Coverage can signal that a stock is expensive relative to its fundamentals. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on STL Technology Co and its competitors. For the Industrial Products industry, the median Interest Coverage is 14.75 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. STL Technology Co's current Interest Coverage is 2,671.22, which is 943% above median its own 10-year median of 255.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STL Technology Co stock overvalued right now?
Based on GuruFocus' analysis, STL Technology Co (ROCO:4931) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$47.66, compared to a current price of NT$199.00 — trading 317.5% above its estimated fair value. The current Interest Coverage is 2,671.22, which is 943% above median its 10-year median of 255.99 and 18010% above the Industrial Products industry median of 14.75. STL Technology Co's overall GF Score™ is 58/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Coverage calculated?
Interest Coverage is calculated from a company's financial statements. For STL Technology Co (ROCO:4931), the current Interest Coverage is 2,671.22 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 STL Technology Co (ROCO:4931) Overvalued in 2026?

Based on GuruFocus' analysis, STL Technology Co stock appears to be overvalued. The current stock price of NT$199.00 is trading 317.5% above its estimated GF Value™ of NT$47.66. GuruFocus considers STL Technology Co to be Significantly Overvalued.

Key valuation signals for ROCO:4931:

  • Interest Coverage: 2,671.22 (943% above median its 10-year median of 255.99)
  • GF Value™: NT$47.66 vs. price of NT$199.00 (317.5% above fair value)
  • GF Score™: 58/100 with 2 warning signs
  • Industry Position: 18010% above the Industrial Products median (#112 of 2321)

No single metric tells the full story. See the ROCO:4931 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


STL Technology Co Business Description

Address No. 1, West 15th Street, Cianjhen District, Kaohsiung, TWN, 806011
STL Technology Co Ltd is engaged in the manufacturing and sales of lithium-ion battery modules in Taiwan. The company's products are mainly focused on industrial applications such as gardening and hand-held power tools, light electric vehicles, and energy storage system devices. The company and it's subsidiaries mainly operate in Taiwan.
58GF Score

Get the complete analysis for ROCO:4931

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

NT$199.00
Price
NT$47.66
GF Value