Tainet Communication System (ROCO:4905) Interest Coverage: 0.06 (As of Dec. 2025) — 74% Below Median


ROCO:4905 Tainet Communication System Corp ROCO:4905
54 GF Score
Price NT$68.20
GF Value NT$277.74
Valuation Possible Value Trap
! 7 Warning Signs
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What is Tainet Communication System Interest Coverage?

Tainet Communication System ROCO:4905 -0.29% 54 Interest Coverage is 0.06 as of Dec. 2025, which is 74% below its 10-year median of 0.23. GuruFocus rates ROCO:4905 with a GF Score™ of 54/100 and a GF Value™ of NT$277.74 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 1,671 Hardware companies, Tainet Communication System ranks worse than 98.26% 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. Tainet Communication System's Operating Income for the three months ended in Dec. 2025 was NT$0.4 Mil. Tainet Communication System's Interest Expense for the three months ended in Dec. 2025 was NT$-6.0 Mil. Tainet Communication System's interest coverage for the quarter that ended in Dec. 2025 was 0.06. The higher the ratio, the stronger the company's financial strength is.

The historical rank and industry rank for Tainet Communication System's Interest Coverage or its related term are showing as below:

ROCO:4905' s Interest Coverage Range Over the Past 10 Years
Min: 0.15   Med: 0.23   Max: 0.31
Current: 0.31


ROCO:4905's Interest Coverage is ranked worse than
98.26% of 1671 companies
in the Hardware industry
Industry Median: 13.67 vs ROCO:4905: 0.31

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


Tainet Communication System  (ROCO:4905) 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 .


Tainet Communication System Interest Coverage Related Terms


Tainet Communication System Interest Coverage Historical Data

* Premium members only.

The historical data trend for Tainet Communication System'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.

Tainet Communication System Interest Coverage Chart

Tainet Communication System 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 0.00 0.00 0.15 0.31

Tainet Communication System 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 0.00 1.33 0.27 0.00 0.06

ROCO:4905 vs CSCO, CIEN, MSI: Interest Coverage Comparison

For the Communication Equipment subindustry, Tainet Communication System'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.


Tainet Communication System Interest Coverage vs Hardware Industry

For the Hardware industry and Technology sector, Tainet Communication System's Interest Coverage distribution charts can be found below:

* The bar in red indicates where Tainet Communication System's Interest Coverage falls into.


ROCO:4905
54GF Score
Tainet Communication System Corp ROCO:4905
Interest Coverage is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Tainet Communication System 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.

Tainet Communication System'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, Tainet Communication System's Interest Expense was NT$-23.6 Mil. Its Operating Income was NT$7.2 Mil. And its Long-Term Debt & Capital Lease Obligation was NT$245.6 Mil.

Interest Coverage=-1* Operating Income (A: Dec. 2025 )/Interest Expense (A: Dec. 2025 )
=-1*7.247/-23.596
=0.31

Tainet Communication System's Interest Coverage for the quarter that ended in Dec. 2025 is calculated as

Here, for the three months ended in Dec. 2025, Tainet Communication System's Interest Expense was NT$-6.0 Mil. Its Operating Income was NT$0.4 Mil. And its Long-Term Debt & Capital Lease Obligation was NT$245.6 Mil.

Interest Coverage=-1* Operating Income (Q: Dec. 2025 )/Interest Expense (Q: Dec. 2025 )
=-1*0.355/-6.015
=0.06

* 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 0.06 mean?
Tainet Communication System (ROCO:4905) has a Interest Coverage of 0.06 as of Dec. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Tainet Communication System and its competitors. This is 74% below median its historical median of 0.23. Over the past decade, Tainet Communication System's Interest Coverage has ranged from 0.15 to 0.31. According to the industry distribution chart, Tainet Communication System ranks #1642 out of 1671 companies in the Hardware industry, placing it in the top 98.3%.
Is Tainet Communication System's Interest Coverage too high?
Tainet Communication System's current Interest Coverage of 0.06 is 74% below median its 10-year median of 0.23. Over the past 10 years, this metric has ranged from a low of 0.15 to a high of 0.31. The Hardware industry median Interest Coverage is 13.67. Tainet Communication System's value of 0.06 is 99.6% below this industry median. Based on the distribution chart, Tainet Communication System ranks #1642 out of 1671 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Tainet Communication System has a GF Score™ of 54/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Tainet Communication System's Interest Coverage compare to CSCO and CIEN?
According to the Hardware industry distribution chart, Tainet Communication System ranks #1642 out of 1671 companies for Interest Coverage. This places Tainet Communication System in the lower half of its industry. The industry median Interest Coverage is 13.67. Tainet Communication System's value of 0.06 is 99.6% below this benchmark. Historically, Tainet Communication System's own Interest Coverage has ranged from 0.15 to 0.31 over the past decade. While the company's 10-year median is 0.23 vs. the industry median of 13.67, Tainet Communication System has consistently been below 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 a Hardware company?
The median Interest Coverage among Hardware companies is 13.67, based on 1,671 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. Tainet Communication System's current Interest Coverage of 0.06 is 99.6% below 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 Tainet Communication System and its competitors. For the Hardware industry, the median Interest Coverage is 13.67 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tainet Communication System's current Interest Coverage is 0.06, which is 74% below median its own 10-year median of 0.23. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tainet Communication System stock overvalued right now?
Based on GuruFocus' analysis, Tainet Communication System (ROCO:4905) is currently considered Possible Value Trap. The stock's GF Value™ is NT$277.74, compared to a current price of NT$68.20 — trading 75.4% below its estimated fair value. The current Interest Coverage is 0.06, which is 74% below median its 10-year median of 0.23 and 99.6% below the Hardware industry median of 13.67. Tainet Communication System's overall GF Score™ is 54/100 with 7 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 Tainet Communication System (ROCO:4905), the current Interest Coverage is 0.06 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 Tainet Communication System (ROCO:4905) Overvalued in 2026?

Based on GuruFocus' analysis, Tainet Communication System stock appears to be undervalued. The current stock price of NT$68.20 is trading 75.4% below its estimated GF Value™ of NT$277.74. GuruFocus considers Tainet Communication System to be Possible Value Trap.

Key valuation signals for ROCO:4905:

  • Interest Coverage: 0.06 (74% below median its 10-year median of 0.23)
  • GF Value™: NT$277.74 vs. price of NT$68.20 (75.4% below fair value)
  • GF Score™: 54/100 with 7 warning signs
  • Industry Position: 99.6% below the Hardware median (#1642 of 1671)

No single metric tells the full story. See the ROCO:4905 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Tainet Communication System Business Description

Address No.108, Ruiguang Road, 3 floor, Huyuan Li, Neihu District, Taipei, TWN, 114
Tainet Communication System Corp is a manufacturer of digital transmission and switching equipment, data terminal equipment, line interface equipment (including telemetry devices), communication and traffic. Manufacturing, processing, trading and installation engineering business of replacement equipment, programmable power supplies, etc.
54GF Score

Get the complete analysis for ROCO:4905

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

NT$68.20
Price
NT$277.74
GF Value