WST (West Pharmaceutical Services) Cyclically Adjusted Book per Share: $32.11 (As of Mar. 2026)


WST West Pharmaceutical Services Inc WST
95 GF Score
Price $350.85
GF Value $361.62
Valuation Fairly Valued
! 9 Warning Signs
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What is West Pharmaceutical Services Cyclically Adjusted Book per Share?

West Pharmaceutical Services WST +1.24% 95 Cyclically Adjusted Book per Share is $32.11 as of Mar. 2026. GuruFocus rates WST with a GF Score™ of 95/100 and a GF Value™ of $361.62 (Fairly Valued). The stock has 9 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.

West Pharmaceutical Services's adjusted book value per share for the three months ended in Mar. 2026 was $42.178. 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 $32.11 for the trailing ten years ended in Mar. 2026.

During the past 12 months, West Pharmaceutical Services's average Cyclically Adjusted Book Growth Rate was 11.40% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 11.50% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 13.70% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 12.00% 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 West Pharmaceutical Services was 15.90% per year. The lowest was 1.90% per year. And the median was 9.30% per year.

As of today (2026-06-27), West Pharmaceutical Services's current stock price is $350.85. West Pharmaceutical Services's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was $32.11. West Pharmaceutical Services's Cyclically Adjusted PB Ratio of today is 10.93.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of West Pharmaceutical Services was 26.27. The lowest was 6.42. And the median was 10.34.


West Pharmaceutical Services  (NYSE:WST) 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.

West Pharmaceutical Services's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=350.85/32.11
=10.93

* 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 West Pharmaceutical Services was 26.27. The lowest was 6.42. And the median was 10.34.


Be Aware

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


West Pharmaceutical Services Cyclically Adjusted Book per Share Related Terms


West Pharmaceutical Services Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for West Pharmaceutical Services'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.

West Pharmaceutical Services Cyclically Adjusted Book per Share Chart

West Pharmaceutical Services 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 19.08 22.34 25.34 27.96 30.97

West Pharmaceutical Services Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 28.83 29.63 30.43 30.97 32.11

WST vs RMD, MDLN, SOLV: Cyclically Adjusted Book per Share Comparison

For the Medical Instruments & Supplies subindustry, West Pharmaceutical Services'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.


West Pharmaceutical Services Cyclically Adjusted PB Ratio vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, West Pharmaceutical Services's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


WST
95GF Score
West Pharmaceutical Services Inc WST
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
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West Pharmaceutical Services 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, West Pharmaceutical Services'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)
=42.178/330.2130*330.2130
=42.178

Current CPI (Mar. 2026) = 330.2130.

West Pharmaceutical Services Quarterly Data

Book Value per Share CPI Adj_Book
201606 15.152 241.018 20.759
201609 15.609 241.428 21.349
201612 15.287 241.432 20.908
201703 15.888 243.801 21.519
201706 16.789 244.955 22.633
201709 17.735 246.819 23.727
201712 17.319 246.524 23.198
201803 17.740 249.554 23.474
201806 17.432 251.989 22.843
201809 18.248 252.439 23.870
201812 18.843 251.233 24.767
201903 18.637 254.202 24.210
201906 19.595 256.143 25.261
201909 20.105 256.759 25.857
201912 21.231 256.974 27.282
202003 20.247 258.115 25.902
202006 21.766 257.797 27.880
202009 23.260 260.280 29.510
202012 25.061 260.474 31.771
202103 24.783 264.877 30.896
202106 27.468 271.696 33.384
202109 29.721 274.310 35.778
202112 31.474 278.802 37.278
202203 31.393 287.504 36.056
202206 32.762 296.311 36.510
202209 33.389 296.808 37.147
202212 36.233 296.797 40.312
202303 37.415 301.836 40.933
202306 37.168 305.109 40.226
202309 38.759 307.789 41.583
202312 39.197 306.746 42.196
202403 36.721 312.332 38.823
202406 35.493 314.175 37.305
202409 37.960 315.301 39.755
202412 37.100 315.605 38.817
202503 37.369 319.799 38.586
202506 40.739 322.561 41.705
202509 42.437 324.800 43.144
202512 44.085 324.054 44.923
202603 42.178 330.213 42.178

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 $32.11 mean?
West Pharmaceutical Services (WST) has a Cyclically Adjusted Book per Share of $32.11 as of Mar. 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 West Pharmaceutical Services and its competitors.
Is West Pharmaceutical Services' Cyclically Adjusted Book per Share too high?
West Pharmaceutical Services' current Cyclically Adjusted Book per Share is $32.11. Overall, West Pharmaceutical Services has a GF Score™ of 95/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does West Pharmaceutical Services' Cyclically Adjusted Book per Share compare to RMD and MDLN?
West Pharmaceutical Services' Cyclically Adjusted Book per Share of $32.11 can be compared against companies in the Medical Devices & Instruments 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 a Medical Devices & Instruments company?
A good Cyclically Adjusted Book per Share depends on the Medical Devices & Instruments 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 West Pharmaceutical Services and its competitors. West Pharmaceutical Services's current Cyclically Adjusted Book per Share is $32.11. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is West Pharmaceutical Services stock overvalued right now?
Based on GuruFocus' analysis, West Pharmaceutical Services (WST) is currently considered Fairly Valued. The stock's GF Value™ is $361.62, compared to a current price of $350.85 — trading 3% below its estimated fair value. The current Cyclically Adjusted Book per Share is $32.11. West Pharmaceutical Services' overall GF Score™ is 95/100 with 9 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 West Pharmaceutical Services (WST), the current Cyclically Adjusted Book per Share is $32.11 as of Mar. 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 West Pharmaceutical Services (WST) Overvalued in 2026?

Based on GuruFocus' analysis, West Pharmaceutical Services stock appears to be undervalued. The current stock price of $350.85 is trading 3% below its estimated GF Value™ of $361.62. GuruFocus considers West Pharmaceutical Services to be Fairly Valued.

Key valuation signals for WST:

  • Cyclically Adjusted Book per Share: $32.11
  • GF Value™: $361.62 vs. price of $350.85 (3% below fair value)
  • GF Score™: 95/100 with 9 warning signs

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


West Pharmaceutical Services Business Description

Address 530 Herman O. West Drive, Exton, PA, USA, 19341-1147
West Pharmaceutical Services is based in Pennsylvania and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries. West sells elastomer-based packaging components (including stoppers, seals, and plungers), nonglass containment solutions, and auto-injectors for injectable drugs, which include large-molecule biologics, peptides such as GLP-1 receptor agonists, and small-molecule drugs. The company reports in two segments: proprietary products (about 80% of total revenue) and contract-manufactured products (about 20% of total revenue). It generates approximately 55% of its revenue from international markets and 45% from the United States.
95GF Score

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

$350.85
Price
$361.62
GF Value