Light (BSP:LIGT3) Cyclically Adjusted PS Ratio: 0.05 (As of Jul. 29, 2026) — 55% Below Median

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Founder & CEO of GuruFocus
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.

BSP:LIGT3 Light SA BSP:LIGT3
61 GF Score
Price R$3.18
GF Value R$4.68
Valuation Possible Value Trap
! 7 Warning Signs
View Full Analysis

What is Light Cyclically Adjusted PS Ratio?

Light BSP:LIGT3 +2.25% 61 Cyclically Adjusted PS Ratio is 0.05 as of Jul. 29, 2026, which is 55% below its 10-year median of 0.11. GuruFocus rates BSP:LIGT3 with a GF Score™ of 61/100 and a GF Value™ of R$4.68 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 270 Utilities - Independent Power Producers companies, Light ranks better than 98.52% on this metric.

As of today (2026-07-29), Light's current share price is R$3.18. Light's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 was R$58.71. Light's Cyclically Adjusted PS Ratio for today is 0.05.

The historical rank and industry rank for Light's Cyclically Adjusted PS Ratio or its related term are showing as below:

BSP:LIGT3' s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 0.02   Med: 0.11   Max: 0.32
Current: 0.05

During the past years, Light's highest Cyclically Adjusted PS Ratio was 0.32. The lowest was 0.02. And the median was 0.11.

BSP:LIGT3's Cyclically Adjusted PS Ratio is ranked better than
98.52% of 270 companies
in the Utilities - Independent Power Producers industry
Industry Median: 1.69 vs BSP:LIGT3: 0.05

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.

Light's adjusted revenue per share data for the three months ended in Mar. 2026 was R$10.329. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is R$58.71 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Light  (BSP:LIGT3) Cyclically Adjusted PS Ratio Explanation

Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PS Ratio should give similar results to regular PS Ratio.


Light Cyclically Adjusted PS Ratio Related Terms


Light Cyclically Adjusted PS Ratio Historical Data

* Premium members only.

The historical data trend for Light's Cyclically Adjusted PS Ratio 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.

Light Cyclically Adjusted PS Ratio Chart

Light Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PS Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.14 0.05 0.09 0.07 0.08

Light Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PS Ratio 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 0.08 0.11 0.10 0.08 0.08

Light Cyclically Adjusted PS Ratio Competitor Comparison

For the Utilities - Renewable subindustry, Light's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS Ratio 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 Cyclically Adjusted PS Ratio vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Light's Cyclically Adjusted PS Ratio distribution charts can be found below:

* The bar in red indicates where Light's Cyclically Adjusted PS Ratio falls into.


BSP:LIGT3
61GF Score
Light SA BSP:LIGT3
Cyclically Adjusted PS Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Light Cyclically Adjusted PS Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio.

Light's Cyclically Adjusted PS Ratio for today is calculated as

Cyclically Adjusted PS Ratio=Share Price/ Cyclically Adjusted Revenue per Share
=3.18/58.71
=0.05

* 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's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Light's adjusted Revenue per Share data for the three months ended in Mar. 2026 was:

Adj_RevenuePerShare=Revenue per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=10.329/175.0655*175.0655
=10.329

Current CPI (Mar. 2026) = 175.0655.

Light Quarterly Data

Revenue per Share CPI Adj_RevenuePerShare
201606 10.806 108.851 17.379
201609 11.581 109.986 18.434
201612 11.677 110.802 18.449
201703 13.015 111.869 20.367
201706 11.666 112.115 18.216
201709 13.510 112.777 20.972
201712 16.532 114.068 25.372
201803 14.184 114.868 21.617
201806 14.076 117.038 21.055
201809 15.311 117.881 22.738
201812 13.906 118.340 20.572
201903 15.938 120.124 23.228
201906 13.530 120.977 19.579
201909 15.780 121.292 22.776
201912 13.172 123.436 18.681
202003 9.802 124.092 13.828
202006 8.161 123.557 11.563
202009 10.457 125.095 14.634
202012 13.318 129.012 18.072
202103 9.859 131.660 13.109
202106 8.581 133.871 11.222
202109 10.681 137.913 13.558
202112 9.379 141.992 11.564
202203 9.479 146.537 11.324
202206 9.128 149.784 10.669
202209 9.132 147.800 10.817
202212 7.927 150.207 9.239
202303 9.516 153.352 10.863
202306 8.876 154.519 10.056
202309 9.139 155.464 10.291
202312 10.210 157.148 11.374
202403 8.744 159.372 9.605
202406 9.828 161.052 10.683
202409 9.050 162.342 9.759
202412 7.784 164.740 8.272
202503 9.594 168.102 9.991
202506 8.946 169.670 9.230
202509 9.339 170.739 9.576
202512 7.900 171.765 8.052
202603 10.329 175.066 10.329

Add all the adjusted revenue per share together and divide 10 will get our Cyclically Adjusted Revenue per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PS Ratio of 0.05 mean?
Light (BSP:LIGT3) has a Cyclically Adjusted PS Ratio of 0.05 as of Jul. 29, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Light and its competitors. This is 55% below median its historical median of 0.11. Over the past decade, Light's Cyclically Adjusted PS Ratio has ranged from 0.02 to 0.32. According to the industry distribution chart, Light ranks #4 out of 270 companies in the Utilities - Independent Power Producers industry, placing it in the top 1.5%.
Is Light's Cyclically Adjusted PS Ratio too high?
Light's current Cyclically Adjusted PS Ratio of 0.05 is 55% below median its 10-year median of 0.11. Over the past 10 years, this metric has ranged from a low of 0.02 to a high of 0.32. The Utilities - Independent Power Producers industry median Cyclically Adjusted PS Ratio is 1.69. Light's value of 0.05 is 97% below this industry median. Based on the distribution chart, Light ranks #4 out of 270 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 Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Light's Cyclically Adjusted PS Ratio compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, Light ranks #4 out of 270 companies for Cyclically Adjusted PS Ratio. This places Light in the top 2% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PS Ratio is 1.69. Light's value of 0.05 is 97% below this benchmark. Historically, Light's own Cyclically Adjusted PS Ratio has ranged from 0.02 to 0.32 over the past decade. While the company's 10-year median is 0.11 vs. the industry median of 1.69, Light 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 Cyclically Adjusted PS Ratio for an Utilities - Independent Power Producers company?
The median Cyclically Adjusted PS Ratio among Utilities - Independent Power Producers companies is 1.69, based on 270 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Light's current Cyclically Adjusted PS Ratio of 0.05 is 97% 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 Cyclically Adjusted PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Light and its competitors. For the Utilities - Independent Power Producers industry, the median Cyclically Adjusted PS Ratio is 1.69 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Light's current Cyclically Adjusted PS Ratio is 0.05, which is 55% below median its own 10-year median of 0.11. 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 Possible Value Trap. The stock's GF Value™ is R$4.68, compared to a current price of R$3.18 — trading 32.1% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 0.05, which is 55% below median its 10-year median of 0.11 and 97% below the Utilities - Independent Power Producers industry median of 1.69. 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 Cyclically Adjusted PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Light (BSP:LIGT3), the current Cyclically Adjusted PS Ratio is 0.05 as of Jul. 29, 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$3.18 is trading 32.1% below its estimated GF Value™ of R$4.68. GuruFocus considers Light to be Possible Value Trap.

Key valuation signals for BSP:LIGT3:

  • Cyclically Adjusted PS Ratio: 0.05 (55% below median its 10-year median of 0.11)
  • GF Value™: R$4.68 vs. price of R$3.18 (32.1% below fair value)
  • GF Score™: 61/100 with 7 warning signs
  • Industry Position: 97% below the Utilities - Independent Power Producers median (#4 of 270)

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 Business Description

Other Exchanges LGSXY:USA
Address Rua Marechal Floriano, No. 168, block 1-2nd floor, Rio de Janeiro, RJ, BRA, 20080-002
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

Get the complete analysis for BSP:LIGT3

Cyclically Adjusted PS Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

R$3.18
Price
R$4.68
GF Value