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 Gross Margin % is 93.84% as of Mar. 2026, which is 11% above its 10-year median of 84.68. 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 124 Other Energy Sources companies, Coal India ranks better than 96.77% on this metric.
Gross Margin % is calculated as gross profit divided by its revenue. Coal India's Gross Profit for the
three
months ended in Mar. 2026 was ₹436,243 Mil. Coal India's Revenue for the
three
months ended in Mar. 2026 was ₹464,900 Mil. Therefore, Coal India's Gross Margin % for the quarter that ended in Mar. 2026 was 93.84%.
The historical rank and industry rank for Coal India's Gross Margin % or its related term are showing as below:
NSE:COALINDIA'
s Gross Margin % Range Over the Past 10 Years
Min: 74.29 Med: 84.68 Max: 89.34
Current: 86.42
During the past 13 years, the highestGross Margin % of Coal India was 89.34%. The lowest was 74.29%. And the median was 84.68%.
NSE:COALINDIA's Gross Margin % is ranked better than 96.77% of 124
companies
in the Other Energy Sources industry
Industry Median: 18.775
vs NSE:COALINDIA: 86.42
Coal India had a gross margin of 93.84% for the quarter that ended in Mar. 2026 => Durable competitive advantage
The 5-Year average Growth Rate of Gross Margin for Coal India was 1.40% per year.
Coal India (NSE:COALINDIA) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Coal India had a gross margin of 93.84% for the quarter that ended in Mar. 2026 => Durable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Coal India Gross Margin % Related Terms
Coal India Gross Margin % Historical Data
* Premium members only.
The historical data trend for Coal India's Gross Margin % 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.
For the Thermal Coal subindustry, Coal India's Gross Margin %, along with its competitors' market caps and Gross Margin % 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 Gross Margin % vs Other Energy Sources Industry
For the Other Energy Sources industry and Energy sector, Coal India's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Coal India's Gross Margin % falls into.
* 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Coal India (NSE:COALINDIA) has a Gross Margin % of 93.84% as of Mar. 2026. Gross margin is the ratio of total gross profit to net sales. View historical data on Coal India and its competitors. This is 11% above median its historical median of 84.68. Over the past decade, Coal India's Gross Margin % has ranged from 74.29 to 89.34. According to the industry distribution chart, Coal India ranks #4 out of 124 companies in the Other Energy Sources industry, placing it in the top 3.2%.
Is Coal India's Gross Margin % too high?
Coal India's current Gross Margin % of 93.84% is 11% above median its 10-year median of 84.68. Over the past 10 years, this metric has ranged from a low of 74.29 to a high of 89.34. The Other Energy Sources industry median Gross Margin % is 18.78. Coal India's value of 93.84% is 399.8% above this industry median. Based on the distribution chart, Coal India ranks #4 out of 124 companies in the Other Energy Sources industry, which is in the top quartile — a strong position relative to peers. 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 Gross Margin % compare to competitors?
According to the Other Energy Sources industry distribution chart, Coal India ranks #4 out of 124 companies for Gross Margin %. This places Coal India in the top 3% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 18.78. Coal India's value of 93.84% is 399.8% above this benchmark. Historically, Coal India's own Gross Margin % has ranged from 74.29 to 89.34 over the past decade. While the company's 10-year median is 84.68 vs. the industry median of 18.78, 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 Gross Margin % for an Other Energy Sources company?
The median Gross Margin % among Other Energy Sources companies is 18.78, based on 124 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Coal India's current Gross Margin % of 93.84% is 399.8% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Coal India and its competitors. For the Other Energy Sources industry, the median Gross Margin % is 18.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Coal India's current Gross Margin % is 93.84%, which is 11% above median its own 10-year median of 84.68. 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 Gross Margin % is 93.84%, which is 11% above median its 10-year median of 84.68 and 399.8% above the Other Energy Sources industry median of 18.78. 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 Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Coal India (NSE:COALINDIA), the current Gross Margin % is 93.84% 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:
Gross Margin %: 93.84% (11% above median its 10-year median of 84.68)
GF Value™: ₹520.01 vs. price of ₹429.40 (17.4% below fair value)
Industry Position: 399.8% above the Other Energy Sources median (#4 of 124)
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
Gross Margin % 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 
