Bangkok Airways PCL (BKK:BA) Cyclically Adjusted PB Ratio: 1.39 (As of Jul. 22, 2026) — 26% Above Median

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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.
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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.

BKK:BA Bangkok Airways PCL BKK:BA
67 GF Score
Price ฿18.20
GF Value ฿19.50
Valuation Fairly Valued
! 8 Warning Signs
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What is Bangkok Airways PCL Cyclically Adjusted PB Ratio?

Bangkok Airways PCL BKK:BA -2.15% 67 Cyclically Adjusted PB Ratio is 1.39 as of Jul. 22, 2026, which is 26% above its 10-year median of 1.10. GuruFocus rates BKK:BA with a GF Score™ of 67/100 and a GF Value™ of ฿19.50 (Fairly Valued). The stock has 8 warning signs investors should review. Among 738 Transportation companies, Bangkok Airways PCL ranks worse than 55.15% on this metric.

As of today (2026-07-22), Bangkok Airways PCL's current share price is ฿18.20. Bangkok Airways PCL's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was ฿13.07. Bangkok Airways PCL's Cyclically Adjusted PB Ratio for today is 1.39.

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

BKK:BA' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.8   Med: 1.1   Max: 1.81
Current: 1.41

During the past years, Bangkok Airways PCL's highest Cyclically Adjusted PB Ratio was 1.81. The lowest was 0.80. And the median was 1.10.

BKK:BA's Cyclically Adjusted PB Ratio is ranked worse than
55.15% of 738 companies
in the Transportation industry
Industry Median: 1.245 vs BKK:BA: 1.41

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.

Bangkok Airways PCL's adjusted book value per share data for the three months ended in Mar. 2026 was ฿7.304. 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 ฿13.07 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Bangkok Airways PCL  (BKK:BA) 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.


Bangkok Airways PCL Cyclically Adjusted PB Ratio Related Terms


Bangkok Airways PCL Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Bangkok Airways 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.

Bangkok Airways PCL Cyclically Adjusted PB Ratio Chart

Bangkok Airways 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 0.97 1.12 1.60 1.12

Bangkok Airways 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 1.32 0.89 0.97 1.12 1.03

BKK:BA vs DAL, UAL, LUV: Cyclically Adjusted PB Ratio Comparison

For the Airlines subindustry, Bangkok Airways 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.


Bangkok Airways PCL Cyclically Adjusted PB Ratio vs Transportation Industry

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

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


BKK:BA
67GF Score
Bangkok Airways PCL BKK:BA
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Bangkok Airways 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=18.20/13.07
=1.39

* 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.

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

For example, Bangkok Airways 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)
=7.304/330.2130*330.2130
=7.304

Current CPI (Mar. 2026) = 330.2130.

Bangkok Airways PCL Quarterly Data

Book Value per Share CPI Adj_Book
201606 15.711 241.018 21.525
201609 14.825 241.428 20.277
201612 15.196 241.432 20.784
201703 14.625 243.801 19.809
201706 12.947 244.955 17.453
201709 13.474 246.819 18.027
201712 13.482 246.524 18.059
201803 14.933 249.554 19.760
201806 15.052 251.989 19.725
201809 15.283 252.439 19.992
201812 14.834 251.233 19.497
201903 15.189 254.202 19.731
201906 15.186 256.143 19.577
201909 14.485 256.759 18.629
201912 14.538 256.974 18.681
202003 10.818 258.115 13.840
202006 11.147 257.797 14.278
202009 9.131 260.280 11.584
202012 9.510 260.474 12.056
202103 9.565 264.877 11.924
202106 9.850 271.696 11.971
202109 6.346 274.310 7.639
202112 6.400 278.802 7.580
202203 6.767 287.504 7.772
202206 6.469 296.311 7.209
202209 8.026 296.808 8.929
202212 8.009 296.797 8.911
202303 8.628 301.836 9.439
202306 8.205 305.109 8.880
202309 8.659 307.789 9.290
202312 8.088 306.746 8.707
202403 9.177 312.332 9.702
202406 8.397 314.175 8.826
202409 9.051 315.301 9.479
202412 7.586 315.605 7.937
202503 7.557 319.799 7.803
202506 6.715 322.561 6.874
202509 6.681 324.800 6.792
202512 6.376 324.054 6.497
202603 7.304 330.213 7.304

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 1.39 mean?
Bangkok Airways PCL (BKK:BA) has a Cyclically Adjusted PB Ratio of 1.39 as of Jul. 22, 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 Bangkok Airways PCL and its competitors. This is 26% above median its historical median of 1.10. Over the past decade, Bangkok Airways PCL's Cyclically Adjusted PB Ratio has ranged from 0.80 to 1.81. According to the industry distribution chart, Bangkok Airways PCL ranks #407 out of 738 companies in the Transportation industry, placing it in the top 55.1%.
Is Bangkok Airways PCL's Cyclically Adjusted PB Ratio too high?
Bangkok Airways PCL's current Cyclically Adjusted PB Ratio of 1.39 is 26% above median its 10-year median of 1.10. Over the past 10 years, this metric has ranged from a low of 0.80 to a high of 1.81. The Transportation industry median Cyclically Adjusted PB Ratio is 1.25. Bangkok Airways PCL's value of 1.39 is 11.6% above this industry median. Based on the distribution chart, Bangkok Airways PCL ranks #407 out of 738 companies in the Transportation industry, which is below the industry midpoint. Overall, Bangkok Airways PCL has a GF Score™ of 67/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Bangkok Airways PCL's Cyclically Adjusted PB Ratio compare to DAL and UAL?
According to the Transportation industry distribution chart, Bangkok Airways PCL ranks #407 out of 738 companies for Cyclically Adjusted PB Ratio. This places Bangkok Airways PCL in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.25. Bangkok Airways PCL's value of 1.39 is 11.6% above this benchmark. Historically, Bangkok Airways PCL's own Cyclically Adjusted PB Ratio has ranged from 0.80 to 1.81 over the past decade. While the company's 10-year median is 1.10 vs. the industry median of 1.25, Bangkok Airways 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 Transportation company?
The median Cyclically Adjusted PB Ratio among Transportation companies is 1.25, based on 738 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. Bangkok Airways PCL's current Cyclically Adjusted PB Ratio of 1.39 is 11.6% 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 Bangkok Airways PCL and its competitors. For the Transportation industry, the median Cyclically Adjusted PB Ratio is 1.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Bangkok Airways PCL's current Cyclically Adjusted PB Ratio is 1.39, which is 26% above median its own 10-year median of 1.10. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bangkok Airways PCL stock overvalued right now?
Based on GuruFocus' analysis, Bangkok Airways PCL (BKK:BA) is currently considered Fairly Valued. The stock's GF Value™ is ฿19.50, compared to a current price of ฿18.20 — trading 6.7% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.39, which is 26% above median its 10-year median of 1.10 and 11.6% above the Transportation industry median of 1.25. Bangkok Airways PCL's overall GF Score™ is 67/100 with 8 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 Bangkok Airways PCL (BKK:BA), the current Cyclically Adjusted PB Ratio is 1.39 as of Jul. 22, 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 Bangkok Airways PCL (BKK:BA) Overvalued in 2026?

Based on GuruFocus' analysis, Bangkok Airways PCL stock appears to be undervalued. The current stock price of ฿18.20 is trading 6.7% below its estimated GF Value™ of ฿19.50. GuruFocus considers Bangkok Airways PCL to be Fairly Valued.

Key valuation signals for BKK:BA:

  • Cyclically Adjusted PB Ratio: 1.39 (26% above median its 10-year median of 1.10)
  • GF Value™: ฿19.50 vs. price of ฿18.20 (6.7% below fair value)
  • GF Score™: 67/100 with 8 warning signs
  • Industry Position: 11.6% above the Transportation median (#407 of 738)

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


Bangkok Airways PCL Business Description

Other Exchanges 8BA:Germany
Address 99 Moo 14, Vibhavadirangsit Road, Chom Phon, Chatuchak, Bangkok, THA, 10900
Bangkok Airways PCL is principally engaged in the provision of air transportation and airport services. It operates in three segments; The airline segment sells tickets and provides services to passengers, the airport segment provides location services for passengers and airlines, and the supporting airline business segment, which provides ground handling, cargo, and catering services for airlines and customers. The majority of its revenue is from the Airline segment. It mainly operates in Thailand.
67GF Score

Get the complete analysis for BKK:BA

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

฿18.20
Price
฿19.50
GF Value