PTGCF (PTT Global Chemical PCL) Cyclically Adjusted PB Ratio: 0.51 (As of Jul. 17, 2026) — Near Median

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PTGCF PTT Global Chemical PCL PTGCF
34 GF Score
Price $1.21
GF Value $0.83
Valuation Significantly Overvalued
! 4 Warning Signs
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What is PTT Global Chemical PCL Cyclically Adjusted PB Ratio?

PTT Global Chemical PCL PTGCF 34 Cyclically Adjusted PB Ratio is 0.51 as of Jul. 17, 2026, which is 2% above its 10-year median of 0.50. GuruFocus rates PTGCF with a GF Scoreâ„¢ of 34/100 and a GF Valueâ„¢ of $0.83 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,282 Chemicals companies, PTT Global Chemical PCL ranks better than 90.25% on this metric.

As of today (2026-07-17), PTT Global Chemical PCL's current share price is $1.21. PTT Global Chemical PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $2.37. PTT Global Chemical PCL's Cyclically Adjusted PB Ratio for today is 0.51.

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

PTGCF' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.21   Med: 0.5   Max: 1.04
Current: 0.46

During the past years, PTT Global Chemical PCL's highest Cyclically Adjusted PB Ratio was 1.04. The lowest was 0.21. And the median was 0.50.

PTGCF's Cyclically Adjusted PB Ratio is ranked better than
90.25% of 1282 companies
in the Chemicals industry
Industry Median: 1.705 vs PTGCF: 0.46

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.

PTT Global Chemical PCL's adjusted book value per share data for the three months ended in Mar. 2026 was $2.040. 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 $2.37 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


PTT Global Chemical PCL  (OTCPK:PTGCF) 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.


PTT Global Chemical PCL Cyclically Adjusted PB Ratio Related Terms


PTT Global Chemical PCL Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for PTT Global Chemical 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.

PTT Global Chemical PCL Cyclically Adjusted PB Ratio Chart

PTT Global Chemical 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 0.90 0.68 0.53 0.33 0.28

PTT Global Chemical 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 0.23 0.27 0.33 0.28 0.48

PTGCF vs DOW: Cyclically Adjusted PB Ratio Comparison

For the Chemicals subindustry, PTT Global Chemical 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.


PTT Global Chemical PCL Cyclically Adjusted PB Ratio vs Chemicals Industry

For the Chemicals industry and Basic Materials sector, PTT Global Chemical PCL's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


PTGCF
34GF Score
PTT Global Chemical PCL PTGCF
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

PTT Global Chemical 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.

PTT Global Chemical PCL's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=1.21/2.37
=0.51

* 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.

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

For example, PTT Global Chemical 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)
=2.04/330.2130*330.2130
=2.040

Current CPI (Mar. 2026) = 330.2130.

PTT Global Chemical PCL Quarterly Data

Book Value per Share CPI Adj_Book
201606 1.489 241.018 2.040
201609 1.524 241.428 2.084
201612 1.656 241.432 2.265
201703 1.663 243.801 2.252
201706 1.694 244.955 2.284
201709 1.777 246.819 2.377
201712 1.869 246.524 2.503
201803 2.034 249.554 2.691
201806 1.963 251.989 2.572
201809 1.989 252.439 2.602
201812 2.007 251.233 2.638
201903 2.109 254.202 2.740
201906 2.061 256.143 2.657
201909 2.083 256.759 2.679
201912 2.110 256.974 2.711
202003 1.919 258.115 2.455
202006 1.957 257.797 2.507
202009 1.950 260.280 2.474
202012 2.082 260.474 2.639
202103 2.110 264.877 2.630
202106 2.213 271.696 2.690
202109 2.099 274.310 2.527
202112 2.103 278.802 2.491
202203 2.111 287.504 2.425
202206 1.953 296.311 2.176
202209 1.751 296.808 1.948
202212 1.858 296.797 2.067
202303 1.872 301.836 2.048
202306 1.816 305.109 1.965
202309 1.766 307.789 1.895
202312 1.832 306.746 1.972
202403 1.814 312.332 1.918
202406 1.752 314.175 1.841
202409 1.736 315.301 1.818
202412 1.699 315.605 1.778
202503 1.706 319.799 1.762
202506 1.756 322.561 1.798
202509 2.021 324.800 2.055
202512 2.037 324.054 2.076
202603 2.040 330.213 2.040

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 0.51 mean?
PTT Global Chemical PCL (PTGCF) has a Cyclically Adjusted PB Ratio of 0.51 as of Jul. 17, 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 PTT Global Chemical PCL and its competitors. This is near median its historical median of 0.50. Over the past decade, PTT Global Chemical PCL's Cyclically Adjusted PB Ratio has ranged from 0.21 to 1.04. According to the industry distribution chart, PTT Global Chemical PCL ranks #125 out of 1282 companies in the Chemicals industry, placing it in the top 9.8%.
Is PTT Global Chemical PCL's Cyclically Adjusted PB Ratio too high?
PTT Global Chemical PCL's current Cyclically Adjusted PB Ratio of 0.51 is near median its 10-year median of 0.50. Over the past 10 years, this metric has ranged from a low of 0.21 to a high of 1.04. The Chemicals industry median Cyclically Adjusted PB Ratio is 1.71. PTT Global Chemical PCL's value of 0.51 is 70.1% below this industry median. Based on the distribution chart, PTT Global Chemical PCL ranks #125 out of 1282 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, PTT Global Chemical PCL has a GF Score™ of 34/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does PTT Global Chemical PCL's Cyclically Adjusted PB Ratio compare to DOW?
According to the Chemicals industry distribution chart, PTT Global Chemical PCL ranks #125 out of 1282 companies for Cyclically Adjusted PB Ratio. This places PTT Global Chemical PCL in the top 10% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.71. PTT Global Chemical PCL's value of 0.51 is 70.1% below this benchmark. Historically, PTT Global Chemical PCL's own Cyclically Adjusted PB Ratio has ranged from 0.21 to 1.04 over the past decade. While the company's 10-year median is 0.50 vs. the industry median of 1.71, PTT Global Chemical PCL 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 a Chemicals company?
The median Cyclically Adjusted PB Ratio among Chemicals companies is 1.71, based on 1,282 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. PTT Global Chemical PCL's current Cyclically Adjusted PB Ratio of 0.51 is 70.1% 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 PTT Global Chemical PCL and its competitors. For the Chemicals industry, the median Cyclically Adjusted PB Ratio is 1.71 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. PTT Global Chemical PCL's current Cyclically Adjusted PB Ratio is 0.51, which is near median its own 10-year median of 0.50. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is PTT Global Chemical PCL stock overvalued right now?
Based on GuruFocus' analysis, PTT Global Chemical PCL (PTGCF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.83, compared to a current price of $1.21 — trading 45.8% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.51, which is near median its 10-year median of 0.50 and 70.1% below the Chemicals industry median of 1.71. PTT Global Chemical PCL's overall GF Score™ is 34/100 with 4 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 PTT Global Chemical PCL (PTGCF), the current Cyclically Adjusted PB Ratio is 0.51 as of Jul. 17, 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 PTT Global Chemical PCL (PTGCF) Overvalued in 2026?

Based on GuruFocus' analysis, PTT Global Chemical PCL stock appears to be overvalued. The current stock price of $1.21 is trading 45.8% above its estimated GF Value™ of $0.83. GuruFocus considers PTT Global Chemical PCL to be Significantly Overvalued.

Key valuation signals for PTGCF:

  • Cyclically Adjusted PB Ratio: 0.51 (near median its 10-year median of 0.50)
  • GF Value™: $0.83 vs. price of $1.21 (45.8% above fair value)
  • GF Score™: 34/100 with 4 warning signs
  • Industry Position: 70.1% below the Chemicals median (#125 of 1282)

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


PTT Global Chemical PCL Business Description

Address Vibhavadi-Rangsit Road, 555/1, Energy Complex, Building A, 18th Floor, Chatuchak, Bangkok, THA, 10900
PTT Global Chemical PCL is a Thailand-based company. The reportable segments of the company are; Upstream (including Refinery, Aromatics and Olefins) which generates the majority of the revenue, Intermediates (including EO-Based Performance, Phenol and others) Polymers and Chemicals, Bio and Circularity, Performance Chemicals, Service and Others. Geographically located in Thailand, China, Vietnam, Singapore, India, Malaysia, USA, Indonesia, Japan, Germany, and Others.
34GF Score

Get the complete analysis for PTGCF

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

$1.21
Price
$0.83
GF Value