Thai Optical Group PCL (BKK:TOG) Interest Coverage: 12.00 (As of Jun. 2026) — 22% Below Median

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BKK:TOG Thai Optical Group PCL BKK:TOG
89 GF Score
Price ฿7.30
GF Value ฿9.76
Valuation Modestly Undervalued
! 5 Warning Signs
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What is Thai Optical Group PCL Interest Coverage?

Thai Optical Group PCL BKK:TOG 89 Interest Coverage is 12.00 as of Jun. 2026, which is 22% below its 10-year median of 15.38. GuruFocus rates BKK:TOG with a GF Score™ of 89/100 and a GF Value™ of ฿9.76 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 464 Medical Devices & Instruments companies, Thai Optical Group PCL ranks worse than 57.33% 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. Thai Optical Group PCL's Operating Income for the three months ended in Jun. 2026 was ฿96 Mil. Thai Optical Group PCL's Interest Expense for the three months ended in Jun. 2026 was ฿-8 Mil. Thai Optical Group PCL's interest coverage for the quarter that ended in Jun. 2026 was 12.00. The higher the ratio, the stronger the company's financial strength is.

The historical rank and industry rank for Thai Optical Group PCL's Interest Coverage or its related term are showing as below:

BKK:TOG' s Interest Coverage Range Over the Past 10 Years
Min: 5.7   Med: 15.38   Max: 154.35
Current: 11.4


BKK:TOG's Interest Coverage is ranked worse than
57.33% of 464 companies
in the Medical Devices & Instruments industry
Industry Median: 16.91 vs BKK:TOG: 11.40

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


Thai Optical Group PCL  (BKK:TOG) 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 .


Thai Optical Group PCL Interest Coverage Related Terms


Thai Optical Group PCL Interest Coverage Historical Data

* Premium members only.

The historical data trend for Thai Optical Group PCL'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.

Thai Optical Group PCL Interest Coverage Chart

Thai Optical Group PCL 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 34.06 52.81 18.89 11.87 9.23

Thai Optical Group PCL Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 5.59 8.45 13.60 12.04 12.00

BKK:TOG vs ISRG, BDX, MDLN: Interest Coverage Comparison

For the Medical Instruments & Supplies subindustry, Thai Optical Group PCL'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.


Thai Optical Group PCL Interest Coverage vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Thai Optical Group PCL's Interest Coverage distribution charts can be found below:

* The bar in red indicates where Thai Optical Group PCL's Interest Coverage falls into.


BKK:TOG
89GF Score
Thai Optical Group PCL BKK:TOG
Interest Coverage is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Thai Optical Group PCL 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.

Thai Optical Group PCL'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, Thai Optical Group PCL's Interest Expense was ฿-45 Mil. Its Operating Income was ฿414 Mil. And its Long-Term Debt & Capital Lease Obligation was ฿472 Mil.

Interest Coverage=-1* Operating Income (A: Dec. 2025 )/Interest Expense (A: Dec. 2025 )
=-1*414.249/-44.898
=9.23

Thai Optical Group PCL's Interest Coverage for the quarter that ended in Jun. 2026 is calculated as

Here, for the three months ended in Jun. 2026, Thai Optical Group PCL's Interest Expense was ฿-8 Mil. Its Operating Income was ฿96 Mil. And its Long-Term Debt & Capital Lease Obligation was ฿407 Mil.

Interest Coverage=-1* Operating Income (Q: Jun. 2026 )/Interest Expense (Q: Jun. 2026 )
=-1*96.274/-8.022
=12.00

* 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 12.00 mean?
Thai Optical Group PCL (BKK:TOG) has a Interest Coverage of 12.00 as of Jun. 2026. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Thai Optical Group PCL and its competitors. This is 22% below median its historical median of 15.38. Over the past decade, Thai Optical Group PCL's Interest Coverage has ranged from 5.70 to 154.35. According to the industry distribution chart, Thai Optical Group PCL ranks #266 out of 464 companies in the Medical Devices & Instruments industry, placing it in the top 57.3%.
Is Thai Optical Group PCL's Interest Coverage too high?
Thai Optical Group PCL's current Interest Coverage of 12.00 is 22% below median its 10-year median of 15.38. Over the past 10 years, this metric has ranged from a low of 5.70 to a high of 154.35. The Medical Devices & Instruments industry median Interest Coverage is 16.91. Thai Optical Group PCL's value of 12.00 is 29% below this industry median. Based on the distribution chart, Thai Optical Group PCL ranks #266 out of 464 companies in the Medical Devices & Instruments industry, which is below the industry midpoint. Overall, Thai Optical Group PCL has a GF Score™ of 89/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Thai Optical Group PCL's Interest Coverage compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Thai Optical Group PCL ranks #266 out of 464 companies for Interest Coverage. This places Thai Optical Group PCL in the lower half of its industry. The industry median Interest Coverage is 16.91. Thai Optical Group PCL's value of 12.00 is 29% below this benchmark. Historically, Thai Optical Group PCL's own Interest Coverage has ranged from 5.70 to 154.35 over the past decade. While the company's 10-year median is 15.38 vs. the industry median of 16.91, Thai Optical Group PCL 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 Medical Devices & Instruments company?
The median Interest Coverage among Medical Devices & Instruments companies is 16.91, based on 464 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. Thai Optical Group PCL's current Interest Coverage of 12.00 is 29% 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 Thai Optical Group PCL and its competitors. For the Medical Devices & Instruments industry, the median Interest Coverage is 16.91 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Optical Group PCL's current Interest Coverage is 12.00, which is 22% below median its own 10-year median of 15.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Optical Group PCL stock overvalued right now?
Based on GuruFocus' analysis, Thai Optical Group PCL (BKK:TOG) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿9.76, compared to a current price of ฿7.30 — trading 25.2% below its estimated fair value. The current Interest Coverage is 12.00, which is 22% below median its 10-year median of 15.38 and 29% below the Medical Devices & Instruments industry median of 16.91. Thai Optical Group PCL's overall GF Score™ is 89/100 with 5 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 Thai Optical Group PCL (BKK:TOG), the current Interest Coverage is 12.00 as of Jun. 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 Thai Optical Group PCL (BKK:TOG) Overvalued in 2026?

Based on GuruFocus' analysis, Thai Optical Group PCL stock appears to be undervalued. The current stock price of ฿7.30 is trading 25.2% below its estimated GF Value™ of ฿9.76. GuruFocus considers Thai Optical Group PCL to be Modestly Undervalued.

Key valuation signals for BKK:TOG:

  • Interest Coverage: 12.00 (22% below median its 10-year median of 15.38)
  • GF Value™: ฿9.76 vs. price of ฿7.30 (25.2% below fair value)
  • GF Score™: 89/100 with 5 warning signs
  • Industry Position: 29% below the Medical Devices & Instruments median (#266 of 464)

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


Thai Optical Group PCL Business Description

Address 6 Bangbuathong-Suphanburi Road, 15/5 Moo, Laharn Sub-district, Bangbuathong, Nonthaburi, THA, 11110
Thai Optical Group PCL is engaged in the manufacturing and distribution of plastic lenses and related products. The company's products include Organic lenses, Mineral lenses, and Prescription Lenses. It has two reporting segments: Plastic and glass lens, which produce and sell optical lenses; Other products and services which are the sale of the glass mold, trading goods purchased for resale, glasses assembly services, and surface treatments. The majority of the revenue is generated from the plastic and glass lens segment. The company also operates in Europe, Australia, Asia and Pacific, America, Africa, and the Middle East. The majority of revenue is from America.
89GF Score

Get the complete analysis for BKK:TOG

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

฿7.30
Price
฿9.76
GF Value