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.
Coal IndiaNSE:COALINDIA +0.41%91 Interest Coverage is 28.31 as of Mar. 2026, which is 35% below its 10-year median of 43.78. GuruFocus rates NSE:COALINDIA with a GF Score™ of 91/100 and a GF Value™ of ₹520.01 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 112 Other Energy Sources companies, Coal India ranks better than 58.93% 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. Coal India's
Operating Income
for the
three
months ended in Mar. 2026 was ₹97,265 Mil. Coal India's Interest Expense for the
three
months ended in Mar. 2026 was ₹-3,436 Mil.
Coal India's interest coverage for the quarter that ended in Mar. 2026 was 28.31.
The higher the ratio, the stronger the company's financial strength is.
The historical rank and industry rank for Coal India's Interest Coverage or its related term are showing as below:
NSE:COALINDIA'
s Interest Coverage Range Over the Past 10 Years
Min: 7.05 Med: 43.78 Max: 106.04
Current: 25.57
NSE:COALINDIA's Interest Coverage is ranked better than 58.93% of 112
companies
in the Other Energy Sources industry
Industry Median: 10.27
vs NSE:COALINDIA: 25.57
Coal India (NSE:COALINDIA) 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 .
Coal India Interest Coverage Related Terms
Coal India Interest Coverage Historical Data
* Premium members only.
The historical data trend for Coal India'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.
Coal India Interest Coverage Competitor Comparison
For the Thermal Coal subindustry, Coal India'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.
Coal India Interest Coverage vs Other Energy Sources Industry
For the Other Energy Sources industry and Energy sector, Coal India's Interest Coverage distribution charts can be found below:
* The bar in red indicates where Coal India's Interest Coverage falls into.
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:
* 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.
Coal India (NSE:COALINDIA) has a Interest Coverage of 28.31 as of Mar. 2026. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Coal India and its competitors. This is 35% below median its historical median of 43.78. Over the past decade, Coal India's Interest Coverage has ranged from 7.05 to 106.04. According to the industry distribution chart, Coal India ranks #46 out of 112 companies in the Other Energy Sources industry, placing it in the top 41.1%.
Is Coal India's Interest Coverage too high?
Coal India's current Interest Coverage of 28.31 is 35% below median its 10-year median of 43.78. Over the past 10 years, this metric has ranged from a low of 7.05 to a high of 106.04. The Other Energy Sources industry median Interest Coverage is 10.27. Coal India's value of 28.31 is 175.7% above this industry median. Based on the distribution chart, Coal India ranks #46 out of 112 companies in the Other Energy Sources industry, which is above the industry midpoint. Overall, Coal India has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Coal India's Interest Coverage compare to competitors?
According to the Other Energy Sources industry distribution chart, Coal India ranks #46 out of 112 companies for Interest Coverage. This puts Coal India in the upper half of its industry. The industry median Interest Coverage is 10.27. Coal India's value of 28.31 is 175.7% above this benchmark. Historically, Coal India's own Interest Coverage has ranged from 7.05 to 106.04 over the past decade. While the company's 10-year median is 43.78 vs. the industry median of 10.27, Coal India 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 Other Energy Sources company?
The median Interest Coverage among Other Energy Sources companies is 10.27, based on 112 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. Coal India's current Interest Coverage of 28.31 is 175.7% 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 Coal India and its competitors. For the Other Energy Sources industry, the median Interest Coverage is 10.27 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Coal India's current Interest Coverage is 28.31, which is 35% below median its own 10-year median of 43.78. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Coal India stock overvalued right now?
Based on GuruFocus' analysis, Coal India (NSE:COALINDIA) is currently considered Modestly Undervalued. The stock's GF Value™ is ₹520.01, compared to a current price of ₹429.40 — trading 17.4% below its estimated fair value. The current Interest Coverage is 28.31, which is 35% below median its 10-year median of 43.78 and 175.7% above the Other Energy Sources industry median of 10.27. Coal India's overall GF Score™ is 91/100 with 3 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 Coal India (NSE:COALINDIA), the current Interest Coverage is 28.31 as of Mar. 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 Coal India (NSE:COALINDIA) Overvalued in 2026?
Based on GuruFocus' analysis, Coal India stock appears to be undervalued.
The current stock price of ₹429.40 is trading 17.4% below its estimated GF Value™ of ₹520.01.
GuruFocus considers Coal India to be Modestly Undervalued.
Key valuation signals for NSE:COALINDIA:
Interest Coverage: 28.31 (35% below median its 10-year median of 43.78)
GF Value™: ₹520.01 vs. price of ₹429.40 (17.4% below fair value)
Industry Position: 175.7% above the Other Energy Sources median (#46 of 112)
No single metric tells the full story. See the NSE:COALINDIA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Coal India Ltd is a state-owned coal mining company, which was formed when the government took over many private coal mines. Coal India is responsible for the vast majority of India's coal production. The Company is engaged in a single segment business of Coal mining.
91GF Score
Get the complete analysis for NSE:COALINDIA
Interest Coverage is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
NSE:COALINDIA has been successfully added to your 
