PetroEnergy Resources (PHS:PERC) Cyclically Adjusted PB Ratio: 0.29 (As of Jul. 27, 2026) — 40% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
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.

PHS:PERC PetroEnergy Resources Corp PHS:PERC
94 GF Score
Price ₱3.53
GF Value ₱4.14
Valuation Modestly Undervalued
! 10 Warning Signs
View Full Analysis

What is PetroEnergy Resources Cyclically Adjusted PB Ratio?

PetroEnergy Resources PHS:PERC +0.86% 94 Cyclically Adjusted PB Ratio is 0.29 as of Jul. 27, 2026, which is 40% below its 10-year median of 0.48. GuruFocus rates PHS:PERC with a GF Score™ of 94/100 and a GF Value™ of ₱4.14 (Modestly Undervalued). The stock has 10 warning signs investors should review. Among 279 Utilities - Independent Power Producers companies, PetroEnergy Resources ranks better than 85.3% on this metric.

As of today (2026-07-27), PetroEnergy Resources's current share price is ₱3.53. PetroEnergy Resources's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ₱12.31. PetroEnergy Resources's Cyclically Adjusted PB Ratio for today is 0.29.

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

PHS:PERC' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.26   Med: 0.48   Max: 0.68
Current: 0.28

During the past years, PetroEnergy Resources's highest Cyclically Adjusted PB Ratio was 0.68. The lowest was 0.26. And the median was 0.48.

PHS:PERC's Cyclically Adjusted PB Ratio is ranked better than
85.3% of 279 companies
in the Utilities - Independent Power Producers industry
Industry Median: 1.11 vs PHS:PERC: 0.28

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 PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

PetroEnergy Resources's adjusted book value per share data for the three months ended in Mar. 2026 was ₱14.877. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is ₱12.31 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


PetroEnergy Resources  (PHS:PERC) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value 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 PB Ratio should give similar results to regular PB Ratio.


PetroEnergy Resources Cyclically Adjusted PB Ratio Related Terms


PetroEnergy Resources Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for PetroEnergy Resources's Cyclically Adjusted PB 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.

PetroEnergy Resources Cyclically Adjusted PB Ratio Chart

PetroEnergy Resources Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.48 0.51 0.49 0.32 0.29

PetroEnergy Resources Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PB 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 0.31 0.32 0.29 0.29 0.28

PHS:PERC vs CEG, VST, NRG: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Independent Power Producers subindustry, PetroEnergy Resources's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.


PetroEnergy Resources Cyclically Adjusted PB Ratio vs Utilities - Independent Power Producers Industry

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

* The bar in red indicates where PetroEnergy Resources's Cyclically Adjusted PB Ratio falls into.


PHS:PERC
94GF Score
PetroEnergy Resources Corp PHS:PERC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

PetroEnergy Resources Cyclically Adjusted PB Ratio Calculation

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

PetroEnergy Resources's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=3.53/12.31
=0.29

* 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.

PetroEnergy Resources's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, PetroEnergy Resources's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=14.877/330.2130*330.2130
=14.877

Current CPI (Mar. 2026) = 330.2130.

PetroEnergy Resources Quarterly Data

Book Value per Share CPI Adj_Book
201606 7.214 241.018 9.884
201609 7.344 241.428 10.045
201612 7.422 241.432 10.151
201703 7.786 243.801 10.546
201706 7.949 244.955 10.716
201709 8.110 246.819 10.850
201712 7.931 246.524 10.623
201803 7.643 249.554 10.113
201806 7.796 251.989 10.216
201809 8.000 252.439 10.465
201812 8.157 251.233 10.721
201903 8.388 254.202 10.896
201906 8.510 256.143 10.971
201909 8.603 256.759 11.064
201912 8.664 256.974 11.133
202003 8.886 258.115 11.368
202006 8.948 257.797 11.462
202009 9.021 260.280 11.445
202012 9.228 260.474 11.699
202103 9.414 264.877 11.736
202106 9.640 271.696 11.716
202109 9.796 274.310 11.792
202112 9.807 278.802 11.615
202203 10.118 287.504 11.621
202206 10.432 296.311 11.626
202209 10.577 296.808 11.767
202212 14.795 296.797 16.461
202303 12.970 301.836 14.189
202306 13.155 305.109 14.237
202309 10.676 307.789 11.454
202312 13.141 306.746 14.146
202403 14.098 312.332 14.905
202406 14.774 314.175 15.528
202409 14.872 315.301 15.575
202412 14.189 315.605 14.846
202503 14.442 319.799 14.912
202506 14.630 322.561 14.977
202509 14.712 324.800 14.957
202512 14.632 324.054 14.910
202603 14.877 330.213 14.877

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book 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 PB Ratio of 0.29 mean?
PetroEnergy Resources (PHS:PERC) has a Cyclically Adjusted PB Ratio of 0.29 as of Jul. 27, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on PetroEnergy Resources and its competitors. This is 40% below median its historical median of 0.48. Over the past decade, PetroEnergy Resources' Cyclically Adjusted PB Ratio has ranged from 0.26 to 0.68. According to the industry distribution chart, PetroEnergy Resources ranks #41 out of 279 companies in the Utilities - Independent Power Producers industry, placing it in the top 14.7%.
Is PetroEnergy Resources' Cyclically Adjusted PB Ratio too high?
PetroEnergy Resources' current Cyclically Adjusted PB Ratio of 0.29 is 40% below median its 10-year median of 0.48. Over the past 10 years, this metric has ranged from a low of 0.26 to a high of 0.68. The Utilities - Independent Power Producers industry median Cyclically Adjusted PB Ratio is 1.11. PetroEnergy Resources' value of 0.29 is 73.9% below this industry median. Based on the distribution chart, PetroEnergy Resources ranks #41 out of 279 companies in the Utilities - Independent Power Producers industry, which is in the top quartile — a strong position relative to peers. Overall, PetroEnergy Resources has a GF Score™ of 94/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does PetroEnergy Resources' Cyclically Adjusted PB Ratio compare to CEG and VST?
According to the Utilities - Independent Power Producers industry distribution chart, PetroEnergy Resources ranks #41 out of 279 companies for Cyclically Adjusted PB Ratio. This places PetroEnergy Resources in the top 15% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.11. PetroEnergy Resources' value of 0.29 is 73.9% below this benchmark. Historically, PetroEnergy Resources' own Cyclically Adjusted PB Ratio has ranged from 0.26 to 0.68 over the past decade. While the company's 10-year median is 0.48 vs. the industry median of 1.11, PetroEnergy Resources 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 PB Ratio for an Utilities - Independent Power Producers company?
The median Cyclically Adjusted PB Ratio among Utilities - Independent Power Producers companies is 1.11, based on 279 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. PetroEnergy Resources's current Cyclically Adjusted PB Ratio of 0.29 is 73.9% 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 PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on PetroEnergy Resources and its competitors. For the Utilities - Independent Power Producers industry, the median Cyclically Adjusted PB Ratio is 1.11 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PetroEnergy Resources's current Cyclically Adjusted PB Ratio is 0.29, which is 40% below median its own 10-year median of 0.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PetroEnergy Resources stock overvalued right now?
Based on GuruFocus' analysis, PetroEnergy Resources (PHS:PERC) is currently considered Modestly Undervalued. The stock's GF Value™ is ₱4.14, compared to a current price of ₱3.53 — trading 14.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.29, which is 40% below median its 10-year median of 0.48 and 73.9% below the Utilities - Independent Power Producers industry median of 1.11. PetroEnergy Resources' overall GF Score™ is 94/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For PetroEnergy Resources (PHS:PERC), the current Cyclically Adjusted PB Ratio is 0.29 as of Jul. 27, 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 PetroEnergy Resources (PHS:PERC) Overvalued in 2026?

Based on GuruFocus' analysis, PetroEnergy Resources stock appears to be undervalued. The current stock price of ₱3.53 is trading 14.7% below its estimated GF Value™ of ₱4.14. GuruFocus considers PetroEnergy Resources to be Modestly Undervalued.

Key valuation signals for PHS:PERC:

  • Cyclically Adjusted PB Ratio: 0.29 (40% below median its 10-year median of 0.48)
  • GF Value™: ₱4.14 vs. price of ₱3.53 (14.7% below fair value)
  • GF Score™: 94/100 with 10 warning signs
  • Industry Position: 73.9% below the Utilities - Independent Power Producers median (#41 of 279)

No single metric tells the full story. See the PHS:PERC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


PetroEnergy Resources Business Description

Address ADB Avenue, Ortigas Business Center, 7th Floor, JMT Building, Pasig City, PHL, 1600
PetroEnergy Resources Corp is a Philippines-based company engaged in oil exploration and development and mining activities. The company's segments include Oil production, Geothermal energy, Solar energy, Wind energy, and the other activities segment. The Oil production segment is engaged in oil and mineral exploration, development, and production. The Geothermal energy segment develops and operates geothermal steam fields and power plants. The Solar Energy segment carries out solar energy operations. Other activities pertain to research and investment activities. The wind energy segment carries out wind energy operations of the Group. The company generates the majority of its revenue from the Solar Energy segment.
94GF Score

Get the complete analysis for PHS:PERC

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

₱3.53
Price
₱4.14
GF Value