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.
Information Services GroupFRA:ZZG -0.47%70 Cyclically Adjusted PB Ratio is 2.19 as of Aug. 21, 2026, which is 15% above its 10-year median of 1.91. GuruFocus rates FRA:ZZG with a GF Score™ of 70/100 and a GF Value™ of €3.28. The stock has 3 warning signs investors should review. Among 1,542 Software companies, Information Services Group ranks better than 51.75% on this metric.
The historical rank and industry rank for Information Services Group's Cyclically Adjusted PB Ratio or its related term are showing as below:
FRA:ZZG'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.02 Med: 1.91 Max: 6.05
Current: 2.25
During the past years, Information Services Group's highest Cyclically Adjusted PB Ratio was 6.05. The lowest was 1.02. And the median was 1.91.
FRA:ZZG's Cyclically Adjusted PB Ratio is ranked better than 51.75% of 1542
companies
in the Software industry
Industry Median: 2.34
vs FRA:ZZG: 2.25
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.
Information Services Group's adjusted book value per share data for the three months ended in Jun. 2026 was €1.720. 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 €1.92 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Information Services Group (FRA:ZZG) 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.
Information Services Group Cyclically Adjusted PB Ratio Related Terms
Information Services Group Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Information Services Group'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.
Information Services Group Cyclically Adjusted PB Ratio Chart
FRA:ZZG vs UIS, CNDT, HCKT: Cyclically Adjusted PB Ratio Comparison
For the Information Technology Services subindustry, Information Services Group'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.
Information Services Group Cyclically Adjusted PB Ratio vs Software Industry
For the Software industry and Technology sector, Information Services Group's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Information Services Group's Cyclically Adjusted PB Ratio falls into.
Information Services Group 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 2.19 mean?
Information Services Group (FRA:ZZG) has a Cyclically Adjusted PB Ratio of 2.19 as of Aug. 21, 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 Information Services Group and its competitors. This is 15% above median its historical median of 1.91. Over the past decade, Information Services Group's Cyclically Adjusted PB Ratio has ranged from 1.02 to 6.05. According to the industry distribution chart, Information Services Group ranks #744 out of 1542 companies in the Software industry, placing it in the top 48.2%.
Is Information Services Group's Cyclically Adjusted PB Ratio too high?
Information Services Group's current Cyclically Adjusted PB Ratio of 2.19 is 15% above median its 10-year median of 1.91. Over the past 10 years, this metric has ranged from a low of 1.02 to a high of 6.05. The Software industry median Cyclically Adjusted PB Ratio is 2.34. Information Services Group's value of 2.19 is 6.4% below this industry median. Based on the distribution chart, Information Services Group ranks #744 out of 1542 companies in the Software industry, which is above the industry midpoint. Overall, Information Services Group has a GF Score™ of 70/100, reflecting its overall financial health beyond just this single metric.
How does Information Services Group's Cyclically Adjusted PB Ratio compare to UIS and CNDT?
According to the Software industry distribution chart, Information Services Group ranks #744 out of 1542 companies for Cyclically Adjusted PB Ratio. This puts Information Services Group in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.34. Information Services Group's value of 2.19 is 6.4% below this benchmark. Historically, Information Services Group's own Cyclically Adjusted PB Ratio has ranged from 1.02 to 6.05 over the past decade. While the company's 10-year median is 1.91 vs. the industry median of 2.34, Information Services Group 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 Software company?
The median Cyclically Adjusted PB Ratio among Software companies is 2.34, based on 1,542 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. Information Services Group's current Cyclically Adjusted PB Ratio of 2.19 is 6.4% 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 Information Services Group and its competitors. For the Software industry, the median Cyclically Adjusted PB Ratio is 2.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Information Services Group's current Cyclically Adjusted PB Ratio is 2.19, which is 15% above median its own 10-year median of 1.91. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Information Services Group stock overvalued right now?
Information Services Group (FRA:ZZG) has a current Cyclically Adjusted PB Ratio of 2.19. The stock's GF Value™ is €3.28, compared to a current price of €4.20 — trading 28% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.19, which is 15% above median its 10-year median of 1.91 and 6.4% below the Software industry median of 2.34. Information Services Group's overall GF Score™ is 70/100 with 3 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 Information Services Group (FRA:ZZG), the current Cyclically Adjusted PB Ratio is 2.19 as of Aug. 21, 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 Information Services Group (FRA:ZZG) Overvalued in 2026?
Based on GuruFocus' analysis, Information Services Group stock appears to be overvalued.
The current stock price of €4.20 is trading 28% above its estimated GF Value™ of €3.28.
Key valuation signals for FRA:ZZG:
Cyclically Adjusted PB Ratio: 2.19 (15% above median its 10-year median of 1.91)
GF Value™: €3.28 vs. price of €4.20 (28% above fair value)
Industry Position: 6.4% below the Software median (#744 of 1542)
No single metric tells the full story. See the FRA:ZZG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Information Services Group Inc is an AI-centered technology research and advisory firm providing digital transformation and technology advisory services that help organizations optimize performance, reduce costs, and accelerate innovation. The Company's expertise includes sourcing advisory, cloud and data analytics, managed governance and risk services, network and software advisory, technology strategy and operations design, change management, and market intelligence, serving both private- and public-sector clients globally. It operates in one segment, fact-based sourcing advisory services, and operates principally in the Americas, with generate maximum revenue in Europe and the Asia Pacific.
70GF Score
Get the complete analysis for FRA:ZZG
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
FRA:ZZG has been successfully added to your 
