Siemens AG (FRA:SIE0) Cyclically Adjusted Book per Share: €4.99 (As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
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.

FRA:SIE0 Siemens AG FRA:SIE0
83 GF Score
Price €19.90
GF Value €15.24
Valuation Significantly Overvalued
! 9 Warning Signs
View Full Analysis

What is Siemens AG Cyclically Adjusted Book per Share?

Siemens AG FRA:SIE0 83 Cyclically Adjusted Book per Share is €4.99 as of Mar. 2026. GuruFocus rates FRA:SIE0 with a GF Score™ of 83/100 and a GF Value™ of €15.24 (Significantly Overvalued). The stock has 9 warning signs investors should review.

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

Siemens AG's adjusted book value per share for the three months ended in Mar. 2026 was €6.901. 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 €4.99 for the trailing ten years ended in Mar. 2026.

During the past 12 months, Siemens AG's average Cyclically Adjusted Book Growth Rate was 7.00% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 6.30% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 7.50% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 6.30% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of Siemens AG was 8.40% per year. The lowest was 1.90% per year. And the median was 5.30% per year.

As of today (2026-07-18), Siemens AG's current stock price is €19.90. Siemens AG's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €4.99. Siemens AG's Cyclically Adjusted PB Ratio of today is 3.99.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Siemens AG was 4.21. The lowest was 1.35. And the median was 2.66.


Siemens AG  (FRA:SIE0) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

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.

Siemens AG's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=19.90/4.99
=3.99

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Siemens AG was 4.21. The lowest was 1.35. And the median was 2.66.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


Siemens AG Cyclically Adjusted Book per Share Related Terms


Siemens AG Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Siemens AG's Cyclically Adjusted Book per Share 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.

Siemens AG Cyclically Adjusted Book per Share Chart

Siemens AG Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 4.68

Siemens AG Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted Book per Share 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 4.85 4.61 4.68 4.76 4.99

FRA:SIE0 vs GEV, ETN, PH: Cyclically Adjusted Book per Share Comparison

For the Specialty Industrial Machinery subindustry, Siemens AG'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.


Siemens AG Cyclically Adjusted PB Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Siemens AG's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


FRA:SIE0
83GF Score
Siemens AG FRA:SIE0
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Siemens AG Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and 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.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get 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.

For example, Siemens AG'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)
=6.901/131.2583*131.2583
=6.901

Current CPI (Mar. 2026) = 131.2583.

Siemens AG Quarterly Data

Book Value per Share CPI Adj_Book
201606 3.338 100.717 4.350
201609 3.479 101.017 4.521
201612 3.905 101.217 5.064
201703 3.835 101.417 4.963
201706 4.205 102.117 5.405
201709 4.329 102.717 5.532
201712 4.414 102.617 5.646
201803 4.378 102.917 5.584
201806 4.593 104.017 5.796
201809 4.589 104.718 5.752
201812 4.542 104.217 5.720
201903 4.488 104.217 5.652
201906 4.504 105.718 5.592
201909 4.841 106.018 5.994
201912 4.953 105.818 6.144
202003 4.458 105.718 5.535
202006 4.484 106.618 5.520
202009 3.722 105.818 4.617
202012 3.791 105.518 4.716
202103 4.104 107.518 5.010
202106 4.287 108.486 5.187
202109 4.499 109.435 5.396
202112 4.789 110.384 5.695
202203 4.640 113.968 5.344
202206 4.716 115.760 5.347
202209 5.044 118.818 5.572
202212 4.715 119.345 5.186
202303 4.664 122.402 5.001
202306 4.681 123.140 4.990
202309 4.945 124.195 5.226
202312 4.762 123.773 5.050
202403 4.722 125.038 4.957
202406 5.187 125.882 5.409
202409 5.340 126.198 5.554
202412 6.200 127.041 6.406
202503 6.010 127.779 6.174
202506 6.348 128.412 6.489
202509 6.522 129.255 6.623
202512 7.018 129.361 7.121
202603 6.901 131.258 6.901

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

What does a Cyclically Adjusted Book per Share of €4.99 mean?
Siemens AG (FRA:SIE0) has a Cyclically Adjusted Book per Share of €4.99 as of Mar. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Siemens AG and its competitors.
Is Siemens AG's Cyclically Adjusted Book per Share too high?
Siemens AG's current Cyclically Adjusted Book per Share is €4.99. Overall, Siemens AG has a GF Score™ of 83/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Siemens AG's Cyclically Adjusted Book per Share compare to GEV and ETN?
Siemens AG's Cyclically Adjusted Book per Share of €4.99 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for an Industrial Products company?
A good Cyclically Adjusted Book per Share depends on the Industrial Products industry context. However, Cyclically Adjusted Book per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Siemens AG and its competitors. Siemens AG's current Cyclically Adjusted Book per Share is €4.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Siemens AG stock overvalued right now?
Based on GuruFocus' analysis, Siemens AG (FRA:SIE0) is currently considered Significantly Overvalued. The stock's GF Value™ is €15.24, compared to a current price of €19.90 — trading 30.6% above its estimated fair value. The current Cyclically Adjusted Book per Share is €4.99. Siemens AG's overall GF Score™ is 83/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Siemens AG (FRA:SIE0), the current Cyclically Adjusted Book per Share is €4.99 as of Mar. 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 Siemens AG (FRA:SIE0) Overvalued in 2026?

Based on GuruFocus' analysis, Siemens AG stock appears to be overvalued. The current stock price of €19.90 is trading 30.6% above its estimated GF Value™ of €15.24. GuruFocus considers Siemens AG to be Significantly Overvalued.

Key valuation signals for FRA:SIE0:

  • Cyclically Adjusted Book per Share: €4.99
  • GF Value™: €15.24 vs. price of €19.90 (30.6% above fair value)
  • GF Score™: 83/100 with 9 warning signs

No single metric tells the full story. See the FRA:SIE0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Siemens AG Business Description

Address Werner-von-Siemens-Street 1, Munich, BY, DEU, 80333
Siemens is a multi-industry company focused on the areas of automation, electrification, mobility, and healthcare. Its top three geographic regions—the United States, Germany, and China—contribute over half of group revenue. Siemens has a 71% investment in separately listed Siemens Healthineers. Recent portfolio activity included the listing of Siemens Energy, spinning out its power and gas and Siemens Gamesa business divisions in 2020.
83GF Score

Get the complete analysis for FRA:SIE0

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

€19.90
Price
€15.24
GF Value