IONOS Group SE (FRA:IOS) Cyclically Adjusted PB Ratio: (As of Jul. 14, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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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.

FRA:IOS IONOS Group SE FRA:IOS
57 GF Score
Price €30.90
GF Value €24.77
Valuation Modestly Overvalued
! 1 Warning Sign
View Full Analysis

What is IONOS Group SE Cyclically Adjusted PB Ratio?

IONOS Group SE does not have a history long enough to calculate Cyclically Adjusted Book per Share. Therefore GuruFocus does not calculate Cyclically Adjusted PB Ratio for this company.

Shiller PE for Stocks: The True Measure of Stock Valuation


IONOS Group SE  (FRA:IOS) 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.


IONOS Group SE Cyclically Adjusted PB Ratio Related Terms


IONOS Group SE Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for IONOS Group SE'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.

IONOS Group SE Cyclically Adjusted PB Ratio Chart

IONOS Group SE Annual Data
Trend Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
0.00 0.00 0.00 0.00

IONOS Group SE Quarterly Data
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 0.00 0.00 0.00 0.00 0.00

FRA:IOS vs IBM, ACN, FISV: Cyclically Adjusted PB Ratio Comparison

For the Information Technology Services subindustry, IONOS Group SE'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.


IONOS Group SE Cyclically Adjusted PB Ratio vs Software Industry

For the Software industry and Technology sector, IONOS Group SE's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where IONOS Group SE's Cyclically Adjusted PB Ratio falls into.


FRA:IOS
57GF Score
IONOS Group SE FRA:IOS
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

IONOS Group SE 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.

IONOS Group SE does not have a history long enough to calculate Cyclically Adjusted Book per Share. Therefore GuruFocus does not calculate Cyclically Adjusted PB Ratio for this company.

Is IONOS Group SE (FRA:IOS) Overvalued in 2026?

Based on GuruFocus' analysis, IONOS Group SE stock appears to be overvalued. The current stock price of €30.90 is trading 24.7% above its estimated GF Value™ of €24.77. GuruFocus considers IONOS Group SE to be Modestly Overvalued.

Key valuation signals for FRA:IOS:

  • Cyclically Adjusted PB Ratio:
  • GF Value™: €24.77 vs. price of €30.90 (24.7% above fair value)
  • GF Score™: 57/100 with 1 warning sign

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


IONOS Group SE Business Description

Address Elgendorfer Strasse 57, Montabaur, NW, DEU, 56410
IONOS Group SE is an international digitalization partner and cloud enabler for small and medium-sized enterprises (SMEs), as well as for individual users and larger corporate customers. It offers a comprehensive product portfolio in the areas of web presence and productivity, as well as cloud solutions, which is further supported by customer care and infrastructure. In addition, IONOS offers an online marketplace for buying, selling, and parking domains. The company's operating segments include Digital Solutions & Cloud segment which offers its customers customized server products and other solutions to set up an online presence and maintain their IT infrastructure. Geographically, it derives key revenue from Germany.
57GF Score

Get the complete analysis for FRA:IOS

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

€30.90
Price
€24.77
GF Value