Bayer AG (XTER:BAYN) Cyclically Adjusted PB Ratio: 1.10 (As of Jul. 15, 2026) — 26% Below Median

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XTER:BAYN Bayer AG XTER:BAYN
60 GF Score
Price €49.12
GF Value €27.40
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Bayer AG Cyclically Adjusted PB Ratio?

Bayer AG XTER:BAYN -1.60% 60 Cyclically Adjusted PB Ratio is 1.10 as of Jul. 15, 2026, which is 26% below its 10-year median of 1.49. GuruFocus rates XTER:BAYN with a GF Score™ of 60/100 and a GF Value™ of €27.40 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 759 Drug Manufacturers companies, Bayer AG ranks better than 69.57% on this metric.

As of today (2026-07-15), Bayer AG's current share price is €49.12. Bayer AG's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €44.78. Bayer AG's Cyclically Adjusted PB Ratio for today is 1.10.

The historical rank and industry rank for Bayer AG's Cyclically Adjusted PB Ratio or its related term are showing as below:

XTER:BAYN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.43   Med: 1.49   Max: 4.72
Current: 1.12

During the past years, Bayer AG's highest Cyclically Adjusted PB Ratio was 4.72. The lowest was 0.43. And the median was 1.49.

XTER:BAYN's Cyclically Adjusted PB Ratio is ranked better than
69.57% of 759 companies
in the Drug Manufacturers industry
Industry Median: 1.82 vs XTER:BAYN: 1.12

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.

Bayer AG's adjusted book value per share data for the three months ended in Mar. 2026 was €29.361. 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 €44.78 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Bayer AG  (XTER:BAYN) 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.


Bayer AG Cyclically Adjusted PB Ratio Related Terms


Bayer AG Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Bayer AG'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.

Bayer AG Cyclically Adjusted PB Ratio Chart

Bayer AG Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.30 1.20 0.79 0.44 0.84

Bayer 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 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 Premium Member Only Premium Member Only Premium Member Only 0.50 0.58 0.63 0.84 0.88

XTER:BAYN vs LLY, JNJ, ABBV: Cyclically Adjusted PB Ratio Comparison

For the Drug Manufacturers - General subindustry, Bayer 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.


Bayer AG Cyclically Adjusted PB Ratio vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Bayer AG's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


XTER:BAYN
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Bayer AG XTER:BAYN
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Bayer AG 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.

Bayer AG's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=49.12/44.78
=1.10

* 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.

Bayer AG's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Bayer 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)
=29.361/131.2583*131.2583
=29.361

Current CPI (Mar. 2026) = 131.2583.

Bayer AG Quarterly Data

Book Value per Share CPI Adj_Book
201606 27.036 100.717 35.234
201609 27.840 101.017 36.174
201612 36.097 101.217 46.811
201703 40.005 101.417 51.776
201706 38.855 102.117 49.943
201709 44.264 102.717 56.563
201712 43.794 102.617 56.017
201803 43.964 102.917 56.071
201806 50.556 104.017 63.796
201809 53.879 104.718 67.535
201812 49.212 104.217 61.981
201903 51.375 104.217 64.705
201906 45.577 105.718 56.588
201909 46.787 106.018 57.926
201912 48.098 105.818 59.662
202003 49.479 105.718 61.433
202006 36.343 106.618 44.742
202009 31.887 105.818 39.553
202012 31.069 105.518 38.648
202103 35.207 107.518 42.981
202106 30.933 108.486 37.426
202109 31.659 109.435 37.972
202112 33.611 110.384 39.967
202203 38.107 113.968 43.888
202206 38.699 115.760 43.880
202209 42.010 118.818 46.409
202212 39.467 119.345 43.407
202303 41.595 122.402 44.604
202306 37.609 123.140 40.088
202309 33.977 124.195 35.909
202312 33.516 123.773 35.543
202403 36.242 125.038 38.045
202406 36.325 125.882 37.877
202409 31.106 126.198 32.353
202412 32.479 127.041 33.557
202503 33.027 127.779 33.926
202506 30.913 128.412 31.598
202509 30.107 129.255 30.574
202512 26.411 129.361 26.798
202603 29.361 131.258 29.361

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

What does a Cyclically Adjusted PB Ratio of 1.10 mean?
Bayer AG (XTER:BAYN) has a Cyclically Adjusted PB Ratio of 1.10 as of Jul. 15, 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 Bayer AG and its competitors. This is 26% below median its historical median of 1.49. Over the past decade, Bayer AG's Cyclically Adjusted PB Ratio has ranged from 0.43 to 4.72. According to the industry distribution chart, Bayer AG ranks #231 out of 759 companies in the Drug Manufacturers industry, placing it in the top 30.4%.
Is Bayer AG's Cyclically Adjusted PB Ratio too high?
Bayer AG's current Cyclically Adjusted PB Ratio of 1.10 is 26% below median its 10-year median of 1.49. Over the past 10 years, this metric has ranged from a low of 0.43 to a high of 4.72. The Drug Manufacturers industry median Cyclically Adjusted PB Ratio is 1.82. Bayer AG's value of 1.10 is 39.6% below this industry median. Based on the distribution chart, Bayer AG ranks #231 out of 759 companies in the Drug Manufacturers industry, which is above the industry midpoint. Overall, Bayer AG has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Bayer AG's Cyclically Adjusted PB Ratio compare to LLY and JNJ?
According to the Drug Manufacturers industry distribution chart, Bayer AG ranks #231 out of 759 companies for Cyclically Adjusted PB Ratio. This puts Bayer AG in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.82. Bayer AG's value of 1.10 is 39.6% below this benchmark. Historically, Bayer AG's own Cyclically Adjusted PB Ratio has ranged from 0.43 to 4.72 over the past decade. While the company's 10-year median is 1.49 vs. the industry median of 1.82, Bayer AG 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 Drug Manufacturers company?
The median Cyclically Adjusted PB Ratio among Drug Manufacturers companies is 1.82, based on 759 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. Bayer AG's current Cyclically Adjusted PB Ratio of 1.10 is 39.6% 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 Bayer AG and its competitors. For the Drug Manufacturers industry, the median Cyclically Adjusted PB Ratio is 1.82 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Bayer AG's current Cyclically Adjusted PB Ratio is 1.10, which is 26% below median its own 10-year median of 1.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bayer AG stock overvalued right now?
Based on GuruFocus' analysis, Bayer AG (XTER:BAYN) is currently considered Significantly Overvalued. The stock's GF Value™ is €27.40, compared to a current price of €49.12 — trading 79.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.10, which is 26% below median its 10-year median of 1.49 and 39.6% below the Drug Manufacturers industry median of 1.82. Bayer AG's overall GF Score™ is 60/100 with 7 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 Bayer AG (XTER:BAYN), the current Cyclically Adjusted PB Ratio is 1.10 as of Jul. 15, 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 Bayer AG (XTER:BAYN) Overvalued in 2026?

Based on GuruFocus' analysis, Bayer AG stock appears to be overvalued. The current stock price of €49.12 is trading 79.3% above its estimated GF Value™ of €27.40. GuruFocus considers Bayer AG to be Significantly Overvalued.

Key valuation signals for XTER:BAYN:

  • Cyclically Adjusted PB Ratio: 1.10 (26% below median its 10-year median of 1.49)
  • GF Value™: €27.40 vs. price of €49.12 (79.3% above fair value)
  • GF Score™: 60/100 with 7 warning signs
  • Industry Position: 39.6% below the Drug Manufacturers median (#231 of 759)

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


Bayer AG Business Description

Address Kaiser-Wilhelm-Allee 1, Leverkusen, NW, DEU, 51368
Bayer is a German healthcare and agriculture conglomerate. Healthcare provides close to half of the company's sales and includes pharmaceutical drugs (about 38% of total sales in 2025) as well as vitamins and other consumer healthcare products (13% of total). The firm's crop science business (47% of total) sells seeds, pesticides, herbicides, and fungicides, which was expanded through its 2018 acquisition of Monsanto.
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Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€49.12
Price
€27.40
GF Value