Thai Plaspac PCL (BKK:TPAC) Cyclically Adjusted PB Ratio: 1.21 (As of Jul. 20, 2026) — 57% Below Median

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BKK:TPAC Thai Plaspac PCL BKK:TPAC
88 GF Score
Price ฿8.70
GF Value ฿10.38
Valuation Modestly Undervalued
! 2 Warning Signs
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What is Thai Plaspac PCL Cyclically Adjusted PB Ratio?

Thai Plaspac PCL BKK:TPAC +1.75% 88 Cyclically Adjusted PB Ratio is 1.21 as of Jul. 20, 2026, which is 57% below its 10-year median of 2.79. GuruFocus rates BKK:TPAC with a GF Score™ of 88/100 and a GF Value™ of ฿10.38 (Modestly Undervalued). The stock has 2 warning signs investors should review. Among 316 Packaging & Containers companies, Thai Plaspac PCL ranks worse than 51.27% on this metric.

As of today (2026-07-20), Thai Plaspac PCL's current share price is ฿8.70. Thai Plaspac PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ฿7.19. Thai Plaspac PCL's Cyclically Adjusted PB Ratio for today is 1.21.

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

BKK:TPAC' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.06   Med: 2.79   Max: 4.97
Current: 1.19

During the past years, Thai Plaspac PCL's highest Cyclically Adjusted PB Ratio was 4.97. The lowest was 1.06. And the median was 2.79.

BKK:TPAC's Cyclically Adjusted PB Ratio is ranked worse than
51.27% of 316 companies
in the Packaging & Containers industry
Industry Median: 1.165 vs BKK:TPAC: 1.19

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.

Thai Plaspac PCL's adjusted book value per share data for the three months ended in Mar. 2026 was ฿9.484. 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 ฿7.19 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Thai Plaspac PCL  (BKK:TPAC) 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.


Thai Plaspac PCL Cyclically Adjusted PB Ratio Related Terms


Thai Plaspac PCL Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Thai Plaspac 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.

Thai Plaspac PCL Cyclically Adjusted PB Ratio Chart

Thai Plaspac 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 3.36 2.43 2.83 1.51 1.17

Thai Plaspac 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 1.21 1.07 1.15 1.17 1.24

BKK:TPAC vs SW, PKG, IP: Cyclically Adjusted PB Ratio Comparison

For the Packaging & Containers subindustry, Thai Plaspac 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.


Thai Plaspac PCL Cyclically Adjusted PB Ratio vs Packaging & Containers Industry

For the Packaging & Containers industry and Consumer Cyclical sector, Thai Plaspac PCL's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


BKK:TPAC
88GF Score
Thai Plaspac PCL BKK:TPAC
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Thai Plaspac 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=8.70/7.19
=1.21

* 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.

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

For example, Thai Plaspac 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)
=9.484/330.2130*330.2130
=9.484

Current CPI (Mar. 2026) = 330.2130.

Thai Plaspac PCL Quarterly Data

Book Value per Share CPI Adj_Book
201606 3.863 241.018 5.293
201609 3.847 241.428 5.262
201612 3.981 241.432 5.445
201703 4.073 243.801 5.517
201706 4.064 244.955 5.478
201709 4.112 246.819 5.501
201712 4.194 246.524 5.618
201803 4.233 249.554 5.601
201806 4.415 251.989 5.786
201809 4.076 252.439 5.332
201812 4.069 251.233 5.348
201903 4.244 254.202 5.513
201906 4.145 256.143 5.344
201909 3.788 256.759 4.872
201912 5.342 256.974 6.864
202003 6.026 258.115 7.709
202006 5.747 257.797 7.361
202009 6.314 260.280 8.010
202012 6.314 260.474 8.005
202103 6.598 264.877 8.225
202106 5.725 271.696 6.958
202109 6.422 274.310 7.731
202112 6.533 278.802 7.738
202203 6.644 287.504 7.631
202206 6.772 296.311 7.547
202209 7.439 296.808 8.276
202212 6.767 296.797 7.529
202303 7.058 301.836 7.722
202306 7.455 305.109 8.068
202309 8.107 307.789 8.698
202312 7.470 306.746 8.041
202403 8.306 312.332 8.782
202406 8.274 314.175 8.696
202409 7.326 315.301 7.672
202412 8.679 315.605 9.081
202503 9.035 319.799 9.329
202506 8.606 322.561 8.810
202509 8.672 324.800 8.817
202512 8.887 324.054 9.056
202603 9.484 330.213 9.484

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 1.21 mean?
Thai Plaspac PCL (BKK:TPAC) has a Cyclically Adjusted PB Ratio of 1.21 as of Jul. 20, 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 Thai Plaspac PCL and its competitors. This is 57% below median its historical median of 2.79. Over the past decade, Thai Plaspac PCL's Cyclically Adjusted PB Ratio has ranged from 1.06 to 4.97. According to the industry distribution chart, Thai Plaspac PCL ranks #162 out of 316 companies in the Packaging & Containers industry, placing it in the top 51.3%.
Is Thai Plaspac PCL's Cyclically Adjusted PB Ratio too high?
Thai Plaspac PCL's current Cyclically Adjusted PB Ratio of 1.21 is 57% below median its 10-year median of 2.79. Over the past 10 years, this metric has ranged from a low of 1.06 to a high of 4.97. The Packaging & Containers industry median Cyclically Adjusted PB Ratio is 1.17. Thai Plaspac PCL's value of 1.21 is 3.9% above this industry median. Based on the distribution chart, Thai Plaspac PCL ranks #162 out of 316 companies in the Packaging & Containers industry, which is below the industry midpoint. Overall, Thai Plaspac PCL has a GF Score™ of 88/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Thai Plaspac PCL's Cyclically Adjusted PB Ratio compare to SW and PKG?
According to the Packaging & Containers industry distribution chart, Thai Plaspac PCL ranks #162 out of 316 companies for Cyclically Adjusted PB Ratio. This places Thai Plaspac PCL in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.17. Thai Plaspac PCL's value of 1.21 is 3.9% above this benchmark. Historically, Thai Plaspac PCL's own Cyclically Adjusted PB Ratio has ranged from 1.06 to 4.97 over the past decade. While the company's 10-year median is 2.79 vs. the industry median of 1.17, Thai Plaspac 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 Packaging & Containers company?
The median Cyclically Adjusted PB Ratio among Packaging & Containers companies is 1.17, based on 316 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. Thai Plaspac PCL's current Cyclically Adjusted PB Ratio of 1.21 is 3.9% 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 Thai Plaspac PCL and its competitors. For the Packaging & Containers industry, the median Cyclically Adjusted PB Ratio is 1.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Thai Plaspac PCL's current Cyclically Adjusted PB Ratio is 1.21, which is 57% below median its own 10-year median of 2.79. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Thai Plaspac PCL stock overvalued right now?
Based on GuruFocus' analysis, Thai Plaspac PCL (BKK:TPAC) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿10.38, compared to a current price of ฿8.70 — trading 16.2% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.21, which is 57% below median its 10-year median of 2.79 and 3.9% above the Packaging & Containers industry median of 1.17. Thai Plaspac PCL's overall GF Score™ is 88/100 with 2 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 Thai Plaspac PCL (BKK:TPAC), the current Cyclically Adjusted PB Ratio is 1.21 as of Jul. 20, 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 Thai Plaspac PCL (BKK:TPAC) Overvalued in 2026?

Based on GuruFocus' analysis, Thai Plaspac PCL stock appears to be undervalued. The current stock price of ฿8.70 is trading 16.2% below its estimated GF Value™ of ฿10.38. GuruFocus considers Thai Plaspac PCL to be Modestly Undervalued.

Key valuation signals for BKK:TPAC:

  • Cyclically Adjusted PB Ratio: 1.21 (57% below median its 10-year median of 2.79)
  • GF Value™: ฿10.38 vs. price of ฿8.70 (16.2% below fair value)
  • GF Score™: 88/100 with 2 warning signs
  • Industry Position: 3.9% above the Packaging & Containers median (#162 of 316)

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


Thai Plaspac PCL Business Description

Address Bang Khun Thian-Chay Thalae Road, 77 Soi Thian Thalae 30, Thakham, Bang Khun Thian, Bangkok, THA, 10150
Thai Plaspac PCL is a Thailand-based company that operates in the plastic packaging business. The activity of the group includes the manufacturing and distribution of plastic packaging materials. It offers a wide range of manufacturing capabilities, ranging from packaging design, injection-molding, blow-molding, injection/blow molding in-line inspections, and quality assurance. It serves food, daily products, consumer-household, and other sectors. Geographically, the firm has a business presence in Thailand and Other overseas countries.
88GF Score

Get the complete analysis for BKK:TPAC

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

฿8.70
Price
฿10.38
GF Value