LightLGSXY 35 3-Year ROIIC % is 586.22 as of Dec. 2025, which is 8546% above its 10-year median of 6.78. GuruFocus rates LGSXY with a GF Score™ of 35/100 and a GF Value™ of $0.83 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 393 Utilities - Independent Power Producers companies, Light ranks better than 98.98% on this metric.
3-Year Return on Invested Incremental Capital (3-Year ROIIC %) measures the change in earnings as a percentage of change in investment over 3-year.
Light's 3-Year ROIIC % for the quarter that ended in Dec. 2025 was 586.22%. High ROIIC is generally an indication that your business is capital efficient or has a higher operating leverage.
The industry rank for Light's 3-Year ROIIC % or its related term are showing as below:
Return on Incremental Invested Capital (ROIIC) is an extension of Return on Investment Capital (ROIC). ROIC % tells investors how efficiently that profitability is earned per dollar of company capital. ROIIC narrows the focus even further and shows how profitable each additional unit of capital investment could be. ROIIC % is a more powerful metric than ROIC because it measures how much money the company can generate going forward on future capital investments.
High ROIIC is generally an indication that your business is capital efficient or has a higher operating leverage.
Be Aware
It's important to keep in mind that when tracking ROIIC, the metric is better suited to forecasting the trend of future returns rather than measuring current return on investment.
Light 3-Year ROIIC % Related Terms
Light 3-Year ROIIC % Historical Data
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The historical data trend for Light's 3-Year ROIIC % 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 3-Year ROIIC %, along with its competitors' market caps and 3-Year ROIIC % 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 3-Year ROIIC % vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Light's 3-Year ROIIC % distribution charts can be found below:
* The bar in red indicates where Light's 3-Year ROIIC % falls into.
Light's 3-Year ROIIC % for the quarter that ended in Dec. 2025 is calculated as:
3-Year ROIIC %
=
3-Year Incremental Net Operating Profit After Taxes (NOPAT)**
/
3-Year Incremental Invested Capital**
=
( 82.8459148 (Dec. 2025) - -570.07 (Dec. 2022) )
/
( 4366.076 (Dec. 2025) - 4429.176 (Dec. 2022) )
=
652.9159148
/
-63.1
=
-1,034.73%***
* 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.
** Annual data of NOPAT and Invested Capital was used to calculate 3-Year ROIIC %.
*** Please be aware that the ROIIC (Return on Invested Capital) calculations are based on company-level data using the primary share class. The calculated data provided is for demonstration purposes and may slightly differ from the results displayed in the title due to potential variations caused by currency exchange rate differences throughout the year.
Light (LGSXY) has a 3-Year ROIIC % of 586.22 as of Dec. 2025. 3-Year ROIIC % measures the change in earnings as a percentage of change in investment over 3-year. View historical data on Light and its competitors. This is 8546% above median its historical median of 6.78. According to the industry distribution chart, Light ranks #4 out of 393 companies in the Utilities - Independent Power Producers industry, placing it in the top 1%.
Is Light's 3-Year ROIIC % too high?
Light's current 3-Year ROIIC % of 586.22 is 8546% above median its 10-year median of 6.78. The Utilities - Independent Power Producers industry median 3-Year ROIIC % is 1.37. Light's value of 586.22 is 42689.8% above this industry median. Based on the distribution chart, Light ranks #4 out of 393 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 35/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Light's 3-Year ROIIC % compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, Light ranks #4 out of 393 companies for 3-Year ROIIC %. This places Light in the top 1% of its industry — outperforming the majority of peers. The industry median 3-Year ROIIC % is 1.37. Light's value of 586.22 is 42689.8% above this benchmark. While the company's 10-year median is 6.78 vs. the industry median of 1.37, 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 3-Year ROIIC % for an Utilities - Independent Power Producers company?
The median 3-Year ROIIC % among Utilities - Independent Power Producers companies is 1.37, based on 393 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year ROIIC % significantly above this median, while those in the bottom quartile fall well below. However, 3-Year ROIIC % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Light's current 3-Year ROIIC % of 586.22 is 42689.8% 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 3-Year ROIIC % mean?
A high 3-Year ROIIC % can signal that a stock is expensive relative to its fundamentals. 3-Year ROIIC % measures the change in earnings as a percentage of change in investment over 3-year. View historical data on Light and its competitors. For the Utilities - Independent Power Producers industry, the median 3-Year ROIIC % is 1.37 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Light's current 3-Year ROIIC % is 586.22, which is 8546% above median its own 10-year median of 6.78. 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 (LGSXY) is currently considered Possible Value Trap. The stock's GF Value™ is $0.83, compared to a current price of $0.53 — trading 36.3% below its estimated fair value. The current 3-Year ROIIC % is 586.22, which is 8546% above median its 10-year median of 6.78 and 42689.8% above the Utilities - Independent Power Producers industry median of 1.37. Light's overall GF Score™ is 35/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year ROIIC % calculated?
3-Year ROIIC % is calculated from a company's financial statements. For Light (LGSXY), the current 3-Year ROIIC % is 586.22 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 Light (LGSXY) Overvalued in 2026?
Based on GuruFocus' analysis, Light stock appears to be undervalued.
The current stock price of $0.53 is trading 36.3% below its estimated GF Value™ of $0.83.
GuruFocus considers Light to be Possible Value Trap.
Key valuation signals for LGSXY:
3-Year ROIIC %: 586.22 (8546% above median its 10-year median of 6.78)
GF Value™: $0.83 vs. price of $0.53 (36.3% below fair value)
Industry Position: 42689.8% above the Utilities - Independent Power Producers median (#4 of 393)
No single metric tells the full story. See the LGSXY 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.
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