Merck (MEX:MRK) Cyclically Adjusted PB Ratio: 7.38 (As of Jul. 27, 2026) — 55% Above Median

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MEX:MRK Merck & Co Inc MEX:MRK
71 GF Score
Price MXN2,300.00
GF Value MXN2,091.88
Valuation Fairly Valued
! 8 Warning Signs
View Full Analysis

What is Merck Cyclically Adjusted PB Ratio?

Merck MEX:MRK +0.77% 71 Cyclically Adjusted PB Ratio is 7.38 as of Jul. 27, 2026, which is 55% above its 10-year median of 4.76. GuruFocus rates MEX:MRK with a GF Score™ of 71/100 and a GF Value™ of MXN2,091.88 (Fairly Valued). The stock has 8 warning signs investors should review. Among 753 Drug Manufacturers companies, Merck ranks worse than 89.11% on this metric.

As of today (2026-07-27), Merck's current share price is MXN2300.00. Merck's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was MXN311.58. Merck's Cyclically Adjusted PB Ratio for today is 7.38.

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

MEX:MRK' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 3.04   Med: 4.76   Max: 7.82
Current: 7.55

During the past years, Merck's highest Cyclically Adjusted PB Ratio was 7.82. The lowest was 3.04. And the median was 4.76.

MEX:MRK's Cyclically Adjusted PB Ratio is ranked worse than
89.11% of 753 companies
in the Drug Manufacturers industry
Industry Median: 1.79 vs MEX:MRK: 7.55

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.

Merck's adjusted book value per share data for the three months ended in Mar. 2026 was MXN334.983. 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 MXN311.58 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Merck  (MEX:MRK) 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.


Merck Cyclically Adjusted PB Ratio Related Terms


Merck Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Merck'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.

Merck Cyclically Adjusted PB Ratio Chart

Merck 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 4.67 6.57 6.46 5.89 6.15

Merck 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 5.28 4.63 4.89 6.15 6.93

MEX:MRK vs AMGN, ABBV, GILD: Cyclically Adjusted PB Ratio Comparison

For the Drug Manufacturers - General subindustry, Merck'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.


Merck Cyclically Adjusted PB Ratio vs Drug Manufacturers Industry

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

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


MEX:MRK
71GF Score
Merck & Co Inc MEX:MRK
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Merck 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.

Merck's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=2300.00/311.58
=7.38

* 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.

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

For example, Merck'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)
=334.983/330.2130*330.2130
=334.983

Current CPI (Mar. 2026) = 330.2130.

Merck Quarterly Data

Book Value per Share CPI Adj_Book
201606 289.924 241.018 397.218
201609 306.269 241.428 418.899
201612 300.682 241.432 411.251
201703 273.712 243.801 370.726
201706 261.569 244.955 352.610
201709 254.593 246.819 340.614
201712 250.070 246.524 334.963
201803 227.176 249.554 300.602
201806 239.389 251.989 313.702
201809 228.098 252.439 298.373
201812 202.223 251.233 265.796
201903 206.809 254.202 268.649
201906 206.810 256.143 266.614
201909 207.706 256.759 267.127
201912 192.439 256.974 247.285
202003 243.444 258.115 311.444
202006 252.271 257.797 323.135
202009 254.865 260.280 323.343
202012 199.036 260.474 252.326
202103 217.589 264.877 271.261
202106 261.672 271.696 318.030
202109 291.446 274.310 350.841
202112 309.901 278.802 367.047
202203 321.954 287.504 369.781
202206 343.423 296.311 382.715
202209 352.992 296.808 392.720
202212 353.309 296.797 393.088
202303 332.689 301.836 363.967
202306 261.220 305.109 282.713
202309 283.383 307.789 304.029
202312 251.975 306.746 271.252
202403 264.497 312.332 279.639
202406 314.881 314.175 330.955
202409 346.069 315.301 362.436
202412 382.132 315.605 399.819
202503 393.011 319.799 405.809
202506 368.537 322.561 377.280
202509 382.394 324.800 388.767
202512 382.768 324.054 390.043
202603 334.983 330.213 334.983

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 7.38 mean?
Merck (MEX:MRK) has a Cyclically Adjusted PB Ratio of 7.38 as of Jul. 27, 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 Merck and its competitors. This is 55% above median its historical median of 4.76. Over the past decade, Merck's Cyclically Adjusted PB Ratio has ranged from 3.04 to 7.82. According to the industry distribution chart, Merck ranks #671 out of 753 companies in the Drug Manufacturers industry, placing it in the top 89.1%.
Is Merck's Cyclically Adjusted PB Ratio too high?
Merck's current Cyclically Adjusted PB Ratio of 7.38 is 55% above median its 10-year median of 4.76. Over the past 10 years, this metric has ranged from a low of 3.04 to a high of 7.82. The Drug Manufacturers industry median Cyclically Adjusted PB Ratio is 1.79. Merck's value of 7.38 is 312.3% above this industry median. Based on the distribution chart, Merck ranks #671 out of 753 companies in the Drug Manufacturers industry, which is in the bottom quartile relative to peers. Overall, Merck has a GF Score™ of 71/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Merck's Cyclically Adjusted PB Ratio compare to AMGN and ABBV?
According to the Drug Manufacturers industry distribution chart, Merck ranks #671 out of 753 companies for Cyclically Adjusted PB Ratio. This places Merck in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.79. Merck's value of 7.38 is 312.3% above this benchmark. Historically, Merck's own Cyclically Adjusted PB Ratio has ranged from 3.04 to 7.82 over the past decade. While the company's 10-year median is 4.76 vs. the industry median of 1.79, Merck has consistently been above 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 1.79, based on 753 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. Merck's current Cyclically Adjusted PB Ratio of 7.38 is 312.3% above 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 Merck and its competitors. For the Drug Manufacturers industry, the median Cyclically Adjusted PB Ratio is 1.79 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Merck's current Cyclically Adjusted PB Ratio is 7.38, which is 55% above median its own 10-year median of 4.76. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Merck stock overvalued right now?
Based on GuruFocus' analysis, Merck (MEX:MRK) is currently considered Fairly Valued. The stock's GF Value™ is MXN2,091.88, compared to a current price of MXN2,300.00 — trading 9.9% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 7.38, which is 55% above median its 10-year median of 4.76 and 312.3% above the Drug Manufacturers industry median of 1.79. Merck's overall GF Score™ is 71/100 with 8 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 Merck (MEX:MRK), the current Cyclically Adjusted PB Ratio is 7.38 as of Jul. 27, 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 Merck (MEX:MRK) Overvalued in 2026?

Based on GuruFocus' analysis, Merck stock appears to be overvalued. The current stock price of MXN2,300.00 is trading 9.9% above its estimated GF Value™ of MXN2,091.88. GuruFocus considers Merck to be Fairly Valued.

Key valuation signals for MEX:MRK:

  • Cyclically Adjusted PB Ratio: 7.38 (55% above median its 10-year median of 4.76)
  • GF Value™: MXN2,091.88 vs. price of MXN2,300.00 (9.9% above fair value)
  • GF Score™: 71/100 with 8 warning signs
  • Industry Position: 312.3% above the Drug Manufacturers median (#671 of 753)

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


Merck Business Description

Address 126 East Lincoln Avenue, Rahway, NJ, USA, 07065
Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform, led by Keytruda, is a major contributor to overall sales. The company also has a substantial vaccine business aimed at preventing pediatric diseases, as well as Gardasil for human papillomavirus. Additionally, Merck sells animal health-related drugs. From a geographical perspective, 47% of the company's sales are generated from US human health (pharmaceuticals and vaccines).
71GF Score

Get the complete analysis for MEX:MRK

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

MXN2,300.00
Price
MXN2,091.88
GF Value