ATP30 PCL (BKK:ATP30) Cyclically Adjusted PB Ratio: 0.96 (As of Aug. 14, 2026) — 17% Below Median

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BKK:ATP30 ATP30 PCL BKK:ATP30
68 GF Score
Price ฿0.77
GF Value ฿1.08
Valuation Modestly Undervalued
! 5 Warning Signs
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What is ATP30 PCL Cyclically Adjusted PB Ratio?

ATP30 PCL BKK:ATP30 -2.53% 68 Cyclically Adjusted PB Ratio is 0.96 as of Aug. 14, 2026, which is 17% below its 10-year median of 1.15. GuruFocus rates BKK:ATP30 with a GF Score™ of 68/100 and a GF Value™ of ฿1.08 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 727 Transportation companies, ATP30 PCL ranks better than 63.14% on this metric.

As of today (2026-08-14), ATP30 PCL's current share price is ฿0.77. ATP30 PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ฿0.80. ATP30 PCL's Cyclically Adjusted PB Ratio for today is 0.96.

The historical rank and industry rank for ATP30 PCL's Cyclically Adjusted PB Ratio or its related term are showing as below:

BKK:ATP30' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.98   Med: 1.15   Max: 1.42
Current: 0.98

During the past years, ATP30 PCL's highest Cyclically Adjusted PB Ratio was 1.42. The lowest was 0.98. And the median was 1.15.

BKK:ATP30's Cyclically Adjusted PB Ratio is ranked better than
63.14% of 727 companies
in the Transportation industry
Industry Median: 1.29 vs BKK:ATP30: 0.98

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.

ATP30 PCL's adjusted book value per share data for the three months ended in Mar. 2026 was ฿0.834. 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 ฿0.80 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


ATP30 PCL  (BKK:ATP30) 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.


ATP30 PCL Cyclically Adjusted PB Ratio Related Terms


ATP30 PCL Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for ATP30 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.

ATP30 PCL Cyclically Adjusted PB Ratio Chart

ATP30 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 0.00 0.00 0.00 1.27 1.10

ATP30 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 1.14 1.10 1.22 1.10 1.03

BKK:ATP30 vs UNP, CSX, NSC: Cyclically Adjusted PB Ratio Comparison

For the Railroads subindustry, ATP30 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.


ATP30 PCL Cyclically Adjusted PB Ratio vs Transportation Industry

For the Transportation industry and Industrials sector, ATP30 PCL's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where ATP30 PCL's Cyclically Adjusted PB Ratio falls into.


BKK:ATP30
68GF Score
ATP30 PCL BKK:ATP30
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

ATP30 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.

ATP30 PCL's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=0.77/0.80
=0.96

* 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.

ATP30 PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, ATP30 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)
=0.834/330.2130*330.2130
=0.834

Current CPI (Mar. 2026) = 330.2130.

ATP30 PCL Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.473 241.018 0.648
201609 0.489 241.428 0.669
201612 0.492 241.432 0.673
201703 0.496 243.801 0.672
201706 0.495 244.955 0.667
201709 0.512 246.819 0.685
201712 0.578 246.524 0.774
201803 0.569 249.554 0.753
201806 0.560 251.989 0.734
201809 0.579 252.439 0.757
201812 0.640 251.233 0.841
201903 0.633 254.202 0.822
201906 0.640 256.143 0.825
201909 0.660 256.759 0.849
201912 0.657 256.974 0.844
202003 0.663 258.115 0.848
202006 0.649 257.797 0.831
202009 0.665 260.280 0.844
202012 0.681 260.474 0.863
202103 0.725 264.877 0.904
202106 0.697 271.696 0.847
202109 0.715 274.310 0.861
202112 0.730 278.802 0.865
202203 0.749 287.504 0.860
202206 0.736 296.311 0.820
202209 0.744 296.808 0.828
202212 0.743 296.797 0.827
202303 0.717 301.836 0.784
202306 0.728 305.109 0.788
202309 0.741 307.789 0.795
202312 0.757 306.746 0.815
202403 0.772 312.332 0.816
202406 0.768 314.175 0.807
202409 0.786 315.301 0.823
202412 0.804 315.605 0.841
202503 0.796 319.799 0.822
202506 0.819 322.561 0.838
202509 0.842 324.800 0.856
202512 0.859 324.054 0.875
202603 0.834 330.213 0.834

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 0.96 mean?
ATP30 PCL (BKK:ATP30) has a Cyclically Adjusted PB Ratio of 0.96 as of Aug. 14, 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 ATP30 PCL and its competitors. This is 17% below median its historical median of 1.15. Over the past decade, ATP30 PCL's Cyclically Adjusted PB Ratio has ranged from 0.98 to 1.42. According to the industry distribution chart, ATP30 PCL ranks #268 out of 727 companies in the Transportation industry, placing it in the top 36.9%.
Is ATP30 PCL's Cyclically Adjusted PB Ratio too high?
ATP30 PCL's current Cyclically Adjusted PB Ratio of 0.96 is 17% below median its 10-year median of 1.15. Over the past 10 years, this metric has ranged from a low of 0.98 to a high of 1.42. The Transportation industry median Cyclically Adjusted PB Ratio is 1.29. ATP30 PCL's value of 0.96 is 25.6% below this industry median. Based on the distribution chart, ATP30 PCL ranks #268 out of 727 companies in the Transportation industry, which is above the industry midpoint. Overall, ATP30 PCL has a GF Score™ of 68/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does ATP30 PCL's Cyclically Adjusted PB Ratio compare to UNP and CSX?
According to the Transportation industry distribution chart, ATP30 PCL ranks #268 out of 727 companies for Cyclically Adjusted PB Ratio. This puts ATP30 PCL in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.29. ATP30 PCL's value of 0.96 is 25.6% below this benchmark. Historically, ATP30 PCL's own Cyclically Adjusted PB Ratio has ranged from 0.98 to 1.42 over the past decade. While the company's 10-year median is 1.15 vs. the industry median of 1.29, ATP30 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 Transportation company?
The median Cyclically Adjusted PB Ratio among Transportation companies is 1.29, based on 727 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. ATP30 PCL's current Cyclically Adjusted PB Ratio of 0.96 is 25.6% 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 ATP30 PCL and its competitors. For the Transportation industry, the median Cyclically Adjusted PB Ratio is 1.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. ATP30 PCL's current Cyclically Adjusted PB Ratio is 0.96, which is 17% below median its own 10-year median of 1.15. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is ATP30 PCL stock overvalued right now?
Based on GuruFocus' analysis, ATP30 PCL (BKK:ATP30) is currently considered Modestly Undervalued. The stock's GF Value™ is ฿1.08, compared to a current price of ฿0.77 — trading 28.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.96, which is 17% below median its 10-year median of 1.15 and 25.6% below the Transportation industry median of 1.29. ATP30 PCL's overall GF Score™ is 68/100 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 ATP30 PCL (BKK:ATP30), the current Cyclically Adjusted PB Ratio is 0.96 as of Aug. 14, 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 ATP30 PCL (BKK:ATP30) Overvalued in 2026?

Based on GuruFocus' analysis, ATP30 PCL stock appears to be undervalued. The current stock price of ฿0.77 is trading 28.7% below its estimated GF Value™ of ฿1.08. GuruFocus considers ATP30 PCL to be Modestly Undervalued.

Key valuation signals for BKK:ATP30:

  • Cyclically Adjusted PB Ratio: 0.96 (17% below median its 10-year median of 1.15)
  • GF Value™: ฿1.08 vs. price of ฿0.77 (28.7% below fair value)
  • GF Score™: 68/100 with 5 warning signs
  • Industry Position: 25.6% below the Transportation median (#268 of 727)

No single metric tells the full story. See the BKK:ATP30 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


ATP30 PCL Business Description

Address 9/30 Moo 9, Bangnang, Panthong, Chonburi, THA, 20160
ATP30 PCL is principally engaged in the business of providing bus transport services in Thailand. The transportation service is offered through different vehicles, including buses, minibuses, microbuses, VIP buses, and vans. The group provides transportation services for employees of diverse industries between their homes and industrial estates. It holds a non-scheduled transportation operator license from the Department of Land Transport of Thailand. The four principal operating segments of the group are the transport services segment, the management services segment, the vehicle rental segment, and the maintenance services segment.
68GF Score

Get the complete analysis for BKK:ATP30

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

฿0.77
Price
฿1.08
GF Value