K+S AG (WBO:SDF) Shiller PE Ratio: (As of Sep. 20, 2026)

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WBO:SDF K+S AG WBO:SDF
67 GF Score
Price €16.42
GF Value €13.66
Valuation Modestly Overvalued
! 6 Warning Signs
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What is K+S AG Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


K+S AG  (WBO:SDF) Shiller PE Ratio Explanation

Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.

Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.


Be Aware

Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.


K+S AG Shiller PE Ratio Related Terms


K+S AG Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for K+S AG's Shiller PE 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.

K+S AG Shiller PE Ratio Chart

K+S AG Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 9.31 8.65 6.96 5.72 13.66

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
Shiller PE 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 Premium Member Only Premium Member Only Premium Member Only 12.14 9.70 8.47 12.30 8.58

WBO:SDF vs CTVA, CF, MOS: Shiller PE Ratio Comparison

For the Agricultural Inputs subindustry, K+S AG's Shiller PE Ratio, along with its competitors' market caps and Shiller PE 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 Shiller PE Ratio vs Agriculture Industry

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

* The bar in red indicates where K+S AG's Shiller PE Ratio falls into.


WBO:SDF
67GF Score
K+S AG WBO:SDF
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

K+S AG Shiller PE Ratio Calculation

For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.

K+S AG's E10 for the quarter that ended in Jun. 2026 is calculated as:

For example, K+S AG's adjusted earnings per share data for the three months ended in Jun. 2026 was:

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=3.6092/131.3638*131.3638
=3.609

Current CPI (Jun. 2026) = 131.3638.

K+S AG Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201606 0.001 100.717 0.001
201609 -0.150 101.017 -0.195
201612 0.010 101.217 0.013
201703 0.530 101.417 0.687
201706 0.200 102.117 0.257
201709 0.060 102.717 0.077
201712 0.170 102.617 0.218
201803 0.400 102.917 0.511
201806 -0.170 104.017 -0.215
201809 -0.331 104.718 -0.415
201812 0.319 104.217 0.402
201903 0.570 104.217 0.718
201906 0.073 105.718 0.090
201909 -0.296 106.018 -0.367
201912 0.118 105.818 0.147
202003 -0.009 105.718 -0.012
202006 -0.022 106.618 -0.027
202009 -9.170 105.818 -11.384
202103 0.952 107.518 1.163
202106 5.282 108.486 6.396
202109 6.605 109.435 7.929
202112 2.747 110.384 3.269
202203 1.624 113.968 1.872
202206 1.935 115.760 2.195
202209 1.475 118.818 1.631
202212 2.846 119.345 3.133
202303 1.376 122.402 1.477
202306 -0.238 123.140 -0.254
202309 -0.255 124.195 -0.270
202312 0.222 123.773 0.235
202403 0.104 125.038 0.109
202406 -0.034 125.882 -0.036
202409 -0.147 126.198 -0.153
202412 -0.296 127.041 -0.306
202503 0.477 127.779 0.491
202506 -9.682 128.412 -9.905
202509 0.013 129.255 0.013
202512 3.187 129.361 3.236
202603 -0.876 131.258 -0.877
202606 3.609 131.364 3.609

Add all the adjusted EPS together and divide 10 will get our E10.

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.

Is K+S AG (WBO:SDF) Overvalued in 2026?

Based on GuruFocus' analysis, K+S AG stock appears to be overvalued. The current stock price of €16.42 is trading 20.2% above its estimated GF Value™ of €13.66. GuruFocus considers K+S AG to be Modestly Overvalued.

Key valuation signals for WBO:SDF:

  • Shiller PE Ratio:
  • GF Value™: €13.66 vs. price of €16.42 (20.2% above fair value)
  • GF Score™: 67/100 with 6 warning signs

No single metric tells the full story. See the WBO: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.
67GF Score

Get the complete analysis for WBO:SDF

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

€16.42
Price
€13.66
GF Value