K+S AG (XBUL:SDF) Cyclically Adjusted Book per Share: лв25.49 (As of Jun. 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.

XBUL:SDF K+S AG XBUL:SDF
75 GF Score
Price лв11.22
GF Value лв9.79
! 5 Warning Signs
View Full Analysis

What is K+S AG Cyclically Adjusted Book per Share?

K+S AG XBUL:SDF 75 Cyclically Adjusted Book per Share is лв25.49 as of Jun. 2026. GuruFocus rates XBUL:SDF with a GF Score™ of 75/100 and a GF Value™ of лв9.79. The stock has 5 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.

K+S AG's adjusted book value per share for the three months ended in Jun. 2026 was лв58.651. 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 лв25.49 for the trailing ten years ended in Jun. 2026.

During the past 12 months, K+S AG's average Cyclically Adjusted Book Growth Rate was 1.50% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 5.60% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 8.00% 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 K+S AG was 9.70% per year. The lowest was 3.70% per year. And the median was 6.80% per year.

As of today (2026-08-21), K+S AG's current stock price is лв11.215. K+S AG's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was лв25.49. K+S AG's Cyclically Adjusted PB Ratio of today is 0.44.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of K+S AG was 1.53. The lowest was 0.25. And the median was 0.63.


K+S AG  (XBUL:SDF) 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.

K+S AG's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=11.215/25.49
=0.44

* 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 K+S AG was 1.53. The lowest was 0.25. And the median was 0.63.


Be Aware

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


K+S AG Cyclically Adjusted Book per Share Related Terms


K+S AG Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for K+S 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.

K+S AG Cyclically Adjusted Book per Share Chart

K+S AG Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 31.39 26.78

K+S AG Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 21.33 28.85 26.78 20.63 25.49

XBUL:SDF vs CTVA, CF, MOS: Cyclically Adjusted Book per Share Comparison

For the Agricultural Inputs subindustry, K+S 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.


K+S AG Cyclically Adjusted PB Ratio vs Agriculture Industry

For the Agriculture industry and Basic Materials sector, K+S AG's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


XBUL:SDF
75GF Score
K+S AG XBUL:SDF
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

K+S 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, K+S AG's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book= Book Value per Share /CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=58.651/131.3638*131.3638
=58.651

Current CPI (Jun. 2026) = 131.3638.

K+S AG Quarterly Data

Book Value per Share CPI Adj_Book
201609 42.137 101.017 54.796
201612 42.545 101.217 55.217
201703 43.681 101.417 56.579
201706 42.763 102.117 55.011
201709 45.021 102.717 57.577
201712 43.625 102.617 55.846
201803 43.714 102.917 55.797
201806 42.828 104.017 54.088
201809 43.324 104.718 54.348
201812 41.769 104.217 52.649
201903 44.633 104.217 56.259
201906 43.935 105.718 54.593
201909 44.489 106.018 55.125
201912 44.251 105.818 54.934
202003 41.749 105.718 51.877
202006 42.547 106.618 52.422
202009 21.886 105.818 27.170
202012 23.946 105.518 29.811
202103 27.830 107.518 34.002
202106 35.858 108.486 43.420
202109 48.378 109.435 58.072
202112 52.669 110.384 62.680
202203 55.846 113.968 64.370
202206 58.249 115.760 66.100
202209 57.216 118.818 63.257
202212 63.092 119.345 69.446
202303 65.590 122.402 70.392
202306 65.397 123.140 69.764
202309 65.142 124.195 68.902
202312 67.170 123.773 71.289
202403 66.999 125.038 70.388
202406 65.058 125.882 67.891
202409 65.657 126.198 68.345
202412 61.613 127.041 63.709
202503 63.098 127.779 64.868
202506 46.958 128.412 48.037
202509 47.394 129.255 48.167
202512 54.170 129.361 55.009
202603 51.850 131.258 51.892
202606 58.651 131.364 58.651

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 лв25.49 mean?
K+S AG (XBUL:SDF) has a Cyclically Adjusted Book per Share of лв25.49 as of Jun. 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 K+S AG and its competitors.
Is K+S AG's Cyclically Adjusted Book per Share too high?
K+S AG's current Cyclically Adjusted Book per Share is лв25.49. Overall, K+S AG has a GF Score™ of 75/100, reflecting its overall financial health beyond just this single metric.
How does K+S AG's Cyclically Adjusted Book per Share compare to CTVA and CF?
K+S AG's Cyclically Adjusted Book per Share of лв25.49 can be compared against companies in the Agriculture 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 Agriculture company?
A good Cyclically Adjusted Book per Share depends on the Agriculture 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 K+S AG and its competitors. K+S AG's current Cyclically Adjusted Book per Share is лв25.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is K+S AG stock overvalued right now?
K+S AG (XBUL:SDF) has a current Cyclically Adjusted Book per Share of лв25.49. The stock's GF Value™ is лв9.79, compared to a current price of лв11.22 — trading 14.6% above its estimated fair value. The current Cyclically Adjusted Book per Share is лв25.49. K+S AG's overall GF Score™ is 75/100 with 5 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 K+S AG (XBUL:SDF), the current Cyclically Adjusted Book per Share is лв25.49 as of Jun. 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 K+S AG (XBUL:SDF) Overvalued in 2026?

Based on GuruFocus' analysis, K+S AG stock appears to be overvalued. The current stock price of лв11.22 is trading 14.6% above its estimated GF Value™ of лв9.79.

Key valuation signals for XBUL:SDF:

  • Cyclically Adjusted Book per Share: лв25.49
  • GF Value™: лв9.79 vs. price of лв11.22 (14.6% above fair value)
  • GF Score™: 75/100 with 5 warning signs

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


K+S AG Business Description

Address Bertha-von-Suttner-Strasse 7, Kassel, DEU, 34131
K+S AG produces two products: fertilizer and salt. The company engaged in business with potash and magnesium products from plants in Germany and Canadian sites in Bethune, as well as the European salt activities. It also includes the waste disposal and recycling business in Germany. extraction and processing of raw materials.
75GF Score

Get the complete analysis for XBUL:SDF

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

лв11.22
Price
лв9.79
GF Value