LightBSP:LIGT3 +5.97%61 Net Margin % is 73.32% as of Mar. 2026, which is 4264% above its 10-year median of 1.68. GuruFocus rates BSP:LIGT3 with a GF Score™ of 61/100 and a GF Value™ of R$4.64 (Modestly Undervalued). The stock has 7 warning signs investors should review. Among 421 Utilities - Independent Power Producers companies, Light ranks better than 76.72% on this metric.
Net margin is calculated as Net Income divided by its Revenue. Light's Net Income for the
three
months ended in Mar. 2026 was R$2,821 Mil. Light's Revenue for the
three
months ended in Mar. 2026 was R$3,848 Mil. Therefore, Light's net margin for the quarter that ended in Mar. 2026 was 73.32%.
The historical rank and industry rank for Light's Net Margin % or its related term are showing as below:
BSP:LIGT3'
s Net Margin % Range Over the Past 10 Years
Min: -43.63 Med: 1.68 Max: 17.92
Current: 17.92
BSP:LIGT3's Net Margin % is ranked better than 76.72% of 421
companies
in the Utilities - Independent Power Producers industry
Industry Median: 6.17
vs BSP:LIGT3: 17.92
Light (BSP:LIGT3) Net Margin % Explanation
Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.
But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.
Light Net Margin % Related Terms
Light Net Margin % Historical Data
* Premium members only.
The historical data trend for Light's Net 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 Utilities - Renewable subindustry, Light's Net Margin %, along with its competitors' market caps and Net 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.
Light Net Margin % vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Light's Net Margin % distribution charts can be found below:
* The bar in red indicates where Light's Net 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.
Light (BSP:LIGT3) has a Net Margin % of 73.32% as of Mar. 2026. Net margin is the ratio of total net income to net sales. View historical data on Light and its competitors. This is 4264% above median its historical median of 1.68. According to the industry distribution chart, Light ranks #98 out of 421 companies in the Utilities - Independent Power Producers industry, placing it in the top 23.3%.
Is Light's Net Margin % too high?
Light's current Net Margin % of 73.32% is 4264% above median its 10-year median of 1.68. The Utilities - Independent Power Producers industry median Net Margin % is 6.17. Light's value of 73.32% is 1088.3% above this industry median. Based on the distribution chart, Light ranks #98 out of 421 companies in the Utilities - Independent Power Producers industry, which is in the top quartile — a strong position relative to peers. Overall, Light has a GF Score™ of 61/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Light's Net Margin % compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, Light ranks #98 out of 421 companies for Net Margin %. This places Light in the top 23% of its industry — outperforming the majority of peers. The industry median Net Margin % is 6.17. Light's value of 73.32% is 1088.3% above this benchmark. While the company's 10-year median is 1.68 vs. the industry median of 6.17, Light 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 Net Margin % for an Utilities - Independent Power Producers company?
The median Net Margin % among Utilities - Independent Power Producers companies is 6.17, based on 421 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Light's current Net Margin % of 73.32% is 1088.3% 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 Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on Light and its competitors. For the Utilities - Independent Power Producers industry, the median Net Margin % is 6.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Light's current Net Margin % is 73.32%, which is 4264% above median its own 10-year median of 1.68. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Light stock overvalued right now?
Based on GuruFocus' analysis, Light (BSP:LIGT3) is currently considered Modestly Undervalued. The stock's GF Value™ is R$4.64, compared to a current price of R$3.37 — trading 27.4% below its estimated fair value. The current Net Margin % is 73.32%, which is 4264% above median its 10-year median of 1.68 and 1088.3% above the Utilities - Independent Power Producers industry median of 6.17. Light's overall GF Score™ is 61/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For Light (BSP:LIGT3), the current Net Margin % is 73.32% 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 Light (BSP:LIGT3) Overvalued in 2026?
Based on GuruFocus' analysis, Light stock appears to be undervalued.
The current stock price of R$3.37 is trading 27.4% below its estimated GF Value™ of R$4.64.
GuruFocus considers Light to be Modestly Undervalued.
Key valuation signals for BSP:LIGT3:
Net Margin %: 73.32% (4264% above median its 10-year median of 1.68)
GF Value™: R$4.64 vs. price of R$3.37 (27.4% below fair value)
Industry Position: 1088.3% above the Utilities - Independent Power Producers median (#98 of 421)
No single metric tells the full story. See the BSP:LIGT3 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Light SA is a Brazilian private-public utility of which the state-owned power company, CEMIG, wields a controlling stake. The company generates, distributes, and trades energy. To do this, the company owns and operates a portfolio of hydroelectric power plants that serve the Brazilian state of Rio de Janeiro. Light derives maximum of its revenue from the supplying of energy, with network usage and the construction of assets also bringing in substantial amounts of revenue. The vast majority of the company's customers are residential consumers. The company operates in three segments namely: Distribution, Generation and Trading, out of which maximum revenue is generated from Distribution segment.
61GF Score
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