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.
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.
Advanced Info Service PCLBKK:ADVANC-R 88 Cyclically Adjusted PB Ratio is 12.81 as of Aug. 18, 2026, which is 20% above its 10-year median of 10.71. GuruFocus rates BKK:ADVANC-R with a GF Score™ of 88/100 and a GF Value™ of ฿238.94. The stock has 8 warning signs investors should review. Among 290 Telecommunication Services companies, Advanced Info Service PCL ranks worse than 97.93% on this metric.
The historical rank and industry rank for Advanced Info Service PCL's Cyclically Adjusted PB Ratio or its related term are showing as below:
BKK:ADVANC-R'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 8.05 Med: 10.71 Max: 14.22
Current: 12.94
During the past years, Advanced Info Service PCL's highest Cyclically Adjusted PB Ratio was 14.22. The lowest was 8.05. And the median was 10.71.
BKK:ADVANC-R's Cyclically Adjusted PB Ratio is ranked worse than 97.93% of 290
companies
in the Telecommunication Services industry
Industry Median: 1.77
vs BKK:ADVANC-R: 12.94
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.
Advanced Info Service PCL's adjusted book value per share data for the three months ended in Jun. 2026 was ฿17.576. 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 ฿22.72 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Advanced Info Service PCL (BKK:ADVANC-R) 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.
Advanced Info Service PCL Cyclically Adjusted PB Ratio Related Terms
Advanced Info Service PCL Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Advanced Info Service 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.
Advanced Info Service PCL Cyclically Adjusted PB Ratio Chart
BKK:ADVANC-R vs VZ, TMUS, T: Cyclically Adjusted PB Ratio Comparison
For the Telecom Services subindustry, Advanced Info Service 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.
Advanced Info Service PCL Cyclically Adjusted PB Ratio vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Advanced Info Service PCL's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Advanced Info Service PCL's Cyclically Adjusted PB Ratio falls into.
Advanced Info Service 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.
* 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.
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 12.81 mean?
Advanced Info Service PCL (BKK:ADVANC-R) has a Cyclically Adjusted PB Ratio of 12.81 as of Aug. 18, 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 Advanced Info Service PCL and its competitors. This is 20% above median its historical median of 10.71. Over the past decade, Advanced Info Service PCL's Cyclically Adjusted PB Ratio has ranged from 8.05 to 14.22. According to the industry distribution chart, Advanced Info Service PCL ranks #284 out of 290 companies in the Telecommunication Services industry, placing it in the top 97.9%.
Is Advanced Info Service PCL's Cyclically Adjusted PB Ratio too high?
Advanced Info Service PCL's current Cyclically Adjusted PB Ratio of 12.81 is 20% above median its 10-year median of 10.71. Over the past 10 years, this metric has ranged from a low of 8.05 to a high of 14.22. The Telecommunication Services industry median Cyclically Adjusted PB Ratio is 1.77. Advanced Info Service PCL's value of 12.81 is 623.7% above this industry median. Based on the distribution chart, Advanced Info Service PCL ranks #284 out of 290 companies in the Telecommunication Services industry, which is in the bottom quartile relative to peers. Overall, Advanced Info Service PCL has a GF Score™ of 88/100, reflecting its overall financial health beyond just this single metric.
How does Advanced Info Service PCL's Cyclically Adjusted PB Ratio compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, Advanced Info Service PCL ranks #284 out of 290 companies for Cyclically Adjusted PB Ratio. This places Advanced Info Service PCL in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.77. Advanced Info Service PCL's value of 12.81 is 623.7% above this benchmark. Historically, Advanced Info Service PCL's own Cyclically Adjusted PB Ratio has ranged from 8.05 to 14.22 over the past decade. While the company's 10-year median is 10.71 vs. the industry median of 1.77, Advanced Info Service 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 Telecommunication Services company?
The median Cyclically Adjusted PB Ratio among Telecommunication Services companies is 1.77, based on 290 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. Advanced Info Service PCL's current Cyclically Adjusted PB Ratio of 12.81 is 623.7% 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 Advanced Info Service PCL and its competitors. For the Telecommunication Services industry, the median Cyclically Adjusted PB Ratio is 1.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Advanced Info Service PCL's current Cyclically Adjusted PB Ratio is 12.81, which is 20% above median its own 10-year median of 10.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Advanced Info Service PCL stock overvalued right now?
Advanced Info Service PCL (BKK:ADVANC-R) has a current Cyclically Adjusted PB Ratio of 12.81. The stock's GF Value™ is ฿238.94, compared to a current price of ฿291.00 — trading 21.8% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 12.81, which is 20% above median its 10-year median of 10.71 and 623.7% above the Telecommunication Services industry median of 1.77. Advanced Info Service PCL's overall GF Score™ is 88/100 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 Advanced Info Service PCL (BKK:ADVANC-R), the current Cyclically Adjusted PB Ratio is 12.81 as of Aug. 18, 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 Advanced Info Service PCL (BKK:ADVANC-R) Overvalued in 2026?
Based on GuruFocus' analysis, Advanced Info Service PCL stock appears to be overvalued.
The current stock price of ฿291.00 is trading 21.8% above its estimated GF Value™ of ฿238.94.
Key valuation signals for BKK:ADVANC-R:
Cyclically Adjusted PB Ratio: 12.81 (20% above median its 10-year median of 10.71)
GF Value™: ฿238.94 vs. price of ฿291.00 (21.8% above fair value)
Industry Position: 623.7% above the Telecommunication Services median (#284 of 290)
No single metric tells the full story. See the BKK:ADVANC-R stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Advanced Info Service PCL is a triple-play telecommunications provider. The company generates revenues from the provision of mobile phone services, mobile handset sales, and broadband services. Its broadband service includes various fibre technologies for households, leveraging the company's owned fibre infrastructure. In addition to the fibre networks, it also has mobile infrastructure. Its reportable segments include; Mobile phone services which is also the key revenue generating segment, Mobile phone and equipment sales, and Datanet and broadband services. The company generates the vast majority of its revenue in Thailand.
88GF Score
Get the complete analysis for BKK:ADVANC-R
Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
BKK:ADVANC-R has been successfully added to your 
