PSG PCL (BKK:PSGC) Cyclically Adjusted PB Ratio: 3.84 (As of Jul. 29, 2026) — 20% Below Median

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BKK:PSGC PSG Corp PCL BKK:PSGC
67 GF Score
Price ฿5.30
GF Value ฿16.16
Valuation Possible Value Trap
! 5 Warning Signs
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What is PSG PCL Cyclically Adjusted PB Ratio?

PSG PCL BKK:PSGC +0.95% 67 Cyclically Adjusted PB Ratio is 3.84 as of Jul. 29, 2026, which is 20% below its 10-year median of 4.78. GuruFocus rates BKK:PSGC with a GF Score™ of 67/100 and a GF Value™ of ฿16.16 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 1,357 Construction companies, PSG PCL ranks worse than 84.08% on this metric.

As of today (2026-07-29), PSG PCL's current share price is ฿5.30. PSG PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ฿1.38. PSG PCL's Cyclically Adjusted PB Ratio for today is 3.84.

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

BKK:PSGC' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.68   Med: 4.78   Max: 44.08
Current: 3.79

During the past years, PSG PCL's highest Cyclically Adjusted PB Ratio was 44.08. The lowest was 0.68. And the median was 4.78.

BKK:PSGC's Cyclically Adjusted PB Ratio is ranked worse than
84.08% of 1357 companies
in the Construction industry
Industry Median: 1.16 vs BKK:PSGC: 3.79

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.

PSG PCL's adjusted book value per share data for the three months ended in Mar. 2026 was ฿2.299. 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 ฿1.38 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


PSG PCL  (BKK:PSGC) 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.


PSG PCL Cyclically Adjusted PB Ratio Related Terms


PSG PCL Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for PSG PCL'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.

PSG PCL Cyclically Adjusted PB Ratio Chart

PSG PCL 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 17.47 37.74 21.73 10.63 3.35

PSG PCL 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 3.89 4.30 5.33 3.35 5.09

BKK:PSGC vs PWR, FIX, EME: Cyclically Adjusted PB Ratio Comparison

For the Engineering & Construction subindustry, PSG PCL'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.


PSG PCL Cyclically Adjusted PB Ratio vs Construction Industry

For the Construction industry and Industrials sector, PSG PCL's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


BKK:PSGC
67GF Score
PSG Corp PCL BKK:PSGC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

PSG PCL 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.

PSG PCL's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=5.30/1.38
=3.84

* 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.

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

For example, PSG PCL'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)
=2.299/330.2130*330.2130
=2.299

Current CPI (Mar. 2026) = 330.2130.

PSG PCL Quarterly Data

Book Value per Share CPI Adj_Book
201606 2.042 241.018 2.798
201609 1.973 241.428 2.699
201612 1.687 241.432 2.307
201703 1.672 243.801 2.265
201706 1.633 244.955 2.201
201709 1.538 246.819 2.058
201712 1.294 246.524 1.733
201803 1.277 249.554 1.690
201806 0.777 251.989 1.018
201809 0.711 252.439 0.930
201812 0.763 251.233 1.003
201903 0.906 254.202 1.177
201906 0.878 256.143 1.132
201909 0.824 256.759 1.060
201912 0.463 256.974 0.595
202003 0.381 258.115 0.487
202006 0.439 257.797 0.562
202009 0.448 260.280 0.568
202012 0.434 260.474 0.550
202103 0.411 264.877 0.512
202106 0.382 271.696 0.464
202109 0.343 274.310 0.413
202112 0.539 278.802 0.638
202203 0.531 287.504 0.610
202206 0.651 296.311 0.725
202209 0.761 296.808 0.847
202212 0.781 296.797 0.869
202303 0.844 301.836 0.923
202306 0.981 305.109 1.062
202309 1.037 307.789 1.113
202312 1.373 306.746 1.478
202403 1.730 312.332 1.829
202406 1.904 314.175 2.001
202409 1.898 315.301 1.988
202412 2.017 315.605 2.110
202503 2.061 319.799 2.128
202506 2.064 322.561 2.113
202509 2.148 324.800 2.184
202512 2.179 324.054 2.220
202603 2.299 330.213 2.299

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 3.84 mean?
PSG PCL (BKK:PSGC) has a Cyclically Adjusted PB Ratio of 3.84 as of Jul. 29, 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 PSG PCL and its competitors. This is 20% below median its historical median of 4.78. Over the past decade, PSG PCL's Cyclically Adjusted PB Ratio has ranged from 0.68 to 44.08. According to the industry distribution chart, PSG PCL ranks #1141 out of 1357 companies in the Construction industry, placing it in the top 84.1%.
Is PSG PCL's Cyclically Adjusted PB Ratio too high?
PSG PCL's current Cyclically Adjusted PB Ratio of 3.84 is 20% below median its 10-year median of 4.78. Over the past 10 years, this metric has ranged from a low of 0.68 to a high of 44.08. The Construction industry median Cyclically Adjusted PB Ratio is 1.16. PSG PCL's value of 3.84 is 231% above this industry median. Based on the distribution chart, PSG PCL ranks #1141 out of 1357 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, PSG PCL has a GF Score™ of 67/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does PSG PCL's Cyclically Adjusted PB Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, PSG PCL ranks #1141 out of 1357 companies for Cyclically Adjusted PB Ratio. This places PSG PCL in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.16. PSG PCL's value of 3.84 is 231% above this benchmark. Historically, PSG PCL's own Cyclically Adjusted PB Ratio has ranged from 0.68 to 44.08 over the past decade. While the company's 10-year median is 4.78 vs. the industry median of 1.16, PSG PCL 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 Cyclically Adjusted PB Ratio for a Construction company?
The median Cyclically Adjusted PB Ratio among Construction companies is 1.16, based on 1,357 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. PSG PCL's current Cyclically Adjusted PB Ratio of 3.84 is 231% 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 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 PSG PCL and its competitors. For the Construction industry, the median Cyclically Adjusted PB Ratio is 1.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PSG PCL's current Cyclically Adjusted PB Ratio is 3.84, which is 20% below median its own 10-year median of 4.78. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PSG PCL stock overvalued right now?
Based on GuruFocus' analysis, PSG PCL (BKK:PSGC) is currently considered Possible Value Trap. The stock's GF Value™ is ฿16.16, compared to a current price of ฿5.30 — trading 67.2% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.84, which is 20% below median its 10-year median of 4.78 and 231% above the Construction industry median of 1.16. PSG PCL's overall GF Score™ is 67/100 with 5 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 PSG PCL (BKK:PSGC), the current Cyclically Adjusted PB Ratio is 3.84 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 PSG PCL (BKK:PSGC) Overvalued in 2026?

Based on GuruFocus' analysis, PSG PCL stock appears to be undervalued. The current stock price of ฿5.30 is trading 67.2% below its estimated GF Value™ of ฿16.16. GuruFocus considers PSG PCL to be Possible Value Trap.

Key valuation signals for BKK:PSGC:

  • Cyclically Adjusted PB Ratio: 3.84 (20% below median its 10-year median of 4.78)
  • GF Value™: ฿16.16 vs. price of ฿5.30 (67.2% below fair value)
  • GF Score™: 67/100 with 5 warning signs
  • Industry Position: 231% above the Construction median (#1141 of 1357)

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


PSG PCL Business Description

Address South Sathorn Road, 11/1 AIA Sathorn Tower, 21st Floor, Yannawa, Sathorn, Bangkok, THA, 10600
PSG Corp PCL is engaged in plant and building constructions and other related services. The company constructs industrial factories, warehouses, office buildings, hospitals, shopping malls, residential buildings, and condominiums as well as systems work, utility, and machinery installation.
67GF Score

Get the complete analysis for BKK:PSGC

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

฿5.30
Price
฿16.16
GF Value