Bayer AG (MEX:BAYNN) Cyclically Adjusted PB Ratio: 1.27 (As of Aug. 09, 2026) — 15% Below Median

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Founder & CEO of GuruFocus
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MEX:BAYNN Bayer AG MEX:BAYNN
41 GF Score
Price MXN912.16
GF Value MXN502.50
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Bayer AG Cyclically Adjusted PB Ratio?

Bayer AG MEX:BAYNN 41 Cyclically Adjusted PB Ratio is 1.27 as of Aug. 09, 2026, which is 15% below its 10-year median of 1.49. GuruFocus rates MEX:BAYNN with a GF Score™ of 41/100 and a GF Value™ of MXN502.50 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 736 Drug Manufacturers companies, Bayer AG ranks better than 67.8% on this metric.

As of today (2026-08-09), Bayer AG's current share price is MXN912.16. Bayer AG's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was MXN719.14. Bayer AG's Cyclically Adjusted PB Ratio for today is 1.27.

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

MEX:BAYNN' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.43   Med: 1.49   Max: 4.72
Current: 1.11

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.

MEX:BAYNN's Cyclically Adjusted PB Ratio is ranked better than
67.8% of 736 companies
in the Drug Manufacturers industry
Industry Median: 1.75 vs MEX:BAYNN: 1.11

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 Jun. 2026 was MXN605.353. 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 MXN719.14 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Bayer AG  (MEX:BAYNN) 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
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 0.58 0.63 0.84 0.88 1.08

MEX:BAYNN 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.


MEX:BAYNN
41GF Score
Bayer AG MEX:BAYNN
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

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
=912.16/719.14
=1.27

* 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 Jun. 2026 is calculated as:

For example, Bayer 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)
=605.353/131.3638*131.3638
=605.353

Current CPI (Jun. 2026) = 131.3638.

Bayer AG Quarterly Data

Book Value per Share CPI Adj_Book
201609 604.145 101.017 785.639
201612 785.039 101.217 1,018.859
201703 805.626 101.417 1,043.515
201706 789.141 102.117 1,015.155
201709 957.461 102.717 1,224.487
201712 1,017.870 102.617 1,303.012
201803 984.848 102.917 1,257.063
201806 1,160.512 104.017 1,465.615
201809 1,175.971 104.718 1,475.207
201812 1,099.298 104.217 1,385.642
201903 1,126.074 104.217 1,419.392
201906 989.249 105.718 1,229.232
201909 1,017.264 106.018 1,260.466
201912 1,007.928 105.818 1,251.259
202003 1,281.961 105.718 1,592.954
202006 944.670 106.618 1,163.928
202009 829.712 105.818 1,030.019
202012 751.856 105.518 936.021
202103 856.741 107.518 1,046.754
202106 741.862 108.486 898.309
202109 765.861 109.435 919.328
202112 779.086 110.384 927.165
202203 835.621 113.968 963.167
202206 822.992 115.760 933.923
202209 836.672 118.818 925.016
202212 815.087 119.345 897.172
202303 802.732 122.402 861.502
202306 698.554 123.140 745.204
202309 631.638 124.195 668.100
202312 620.404 123.773 658.453
202403 653.784 125.038 686.859
202406 716.347 125.882 747.545
202409 679.779 126.198 707.606
202412 709.287 127.041 733.421
202503 730.468 127.779 750.960
202506 671.365 128.412 686.799
202509 648.230 129.255 658.805
202512 556.853 129.361 565.476
202603 612.091 131.258 612.583
202606 605.353 131.364 605.353

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 1.27 mean?
Bayer AG (MEX:BAYNN) has a Cyclically Adjusted PB Ratio of 1.27 as of Aug. 09, 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 15% 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 #237 out of 736 companies in the Drug Manufacturers industry, placing it in the top 32.2%.
Is Bayer AG's Cyclically Adjusted PB Ratio too high?
Bayer AG's current Cyclically Adjusted PB Ratio of 1.27 is 15% 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 1.75. Bayer AG's value of 1.27 is 27.4% below this industry median. Based on the distribution chart, Bayer AG ranks #237 out of 736 companies in the Drug Manufacturers industry, which is above the industry midpoint. Overall, Bayer AG has a GF Score™ of 41/100 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 #237 out of 736 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 1.75. Bayer AG's value of 1.27 is 27.4% 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 1.75, 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 1.75, based on 736 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 1.27 is 27.4% 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 1.75 — 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 1.27, which is 15% 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 (MEX:BAYNN) is currently considered Significantly Overvalued. The stock's GF Value™ is MXN502.50, compared to a current price of MXN912.16 — trading 81.5% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.27, which is 15% below median its 10-year median of 1.49 and 27.4% below the Drug Manufacturers industry median of 1.75. Bayer AG's overall GF Score™ is 41/100 with 6 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 (MEX:BAYNN), the current Cyclically Adjusted PB Ratio is 1.27 as of Aug. 09, 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 (MEX:BAYNN) Overvalued in 2026?

Based on GuruFocus' analysis, Bayer AG stock appears to be overvalued. The current stock price of MXN912.16 is trading 81.5% above its estimated GF Value™ of MXN502.50. GuruFocus considers Bayer AG to be Significantly Overvalued.

Key valuation signals for MEX:BAYNN:

  • Cyclically Adjusted PB Ratio: 1.27 (15% below median its 10-year median of 1.49)
  • GF Value™: MXN502.50 vs. price of MXN912.16 (81.5% above fair value)
  • GF Score™: 41/100 with 6 warning signs
  • Industry Position: 27.4% below the Drug Manufacturers median (#237 of 736)

No single metric tells the full story. See the MEX:BAYNN 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.
41GF Score

Get the complete analysis for MEX:BAYNN

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

MXN912.16
Price
MXN502.50
GF Value