West Pharmaceutical ServicesWST -2.21%95 Cyclically Adjusted PS Ratio is 9.58 as of Jul. 07, 2026, which is 20% above its 10-year median of 8.00. GuruFocus rates WST with a GF Score™ of 95/100 and a GF Value™ of $362.14 (Fairly Valued). The stock has 9 warning signs investors should review. Among 524 Medical Devices & Instruments companies, West Pharmaceutical Services ranks worse than 87.02% on this metric.
The historical rank and industry rank for West Pharmaceutical Services's Cyclically Adjusted PS Ratio or its related term are showing as below:
WST'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 3.99 Med: 8 Max: 19.19
Current: 9.58
During the past years, West Pharmaceutical Services's highest Cyclically Adjusted PS Ratio was 19.19. The lowest was 3.99. And the median was 8.00.
WST's Cyclically Adjusted PS Ratio is ranked worse than 87.02% of 524
companies
in the Medical Devices & Instruments industry
Industry Median: 2.285
vs WST: 9.58
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 PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.
West Pharmaceutical Services's adjusted revenue per share data for the three months ended in Mar. 2026 was $11.670. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is $37.32 for the trailing ten years ended in Mar. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
West Pharmaceutical Services (NYSE:WST) Cyclically Adjusted PS Ratio Explanation
Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue 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 PS Ratio should give similar results to regular PS Ratio.
West Pharmaceutical Services Cyclically Adjusted PS Ratio Related Terms
West Pharmaceutical Services Cyclically Adjusted PS Ratio Historical Data
* 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 PS Ratio Chart
WST vs RMD, MDLN, COO: Cyclically Adjusted PS Ratio Comparison
For the Medical Instruments & Supplies subindustry, West Pharmaceutical Services's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS 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 PS Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, West Pharmaceutical Services's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where West Pharmaceutical Services's Cyclically Adjusted PS Ratio falls into.
West Pharmaceutical Services Cyclically Adjusted PS Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS 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 PS Ratio.
* 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.
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 PS Ratio of 9.58 mean?
West Pharmaceutical Services (WST) has a Cyclically Adjusted PS Ratio of 9.58 as of Jul. 07, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on West Pharmaceutical Services and its competitors. This is 20% above median its historical median of 8.00. Over the past decade, West Pharmaceutical Services' Cyclically Adjusted PS Ratio has ranged from 3.99 to 19.19. According to the industry distribution chart, West Pharmaceutical Services ranks #456 out of 524 companies in the Medical Devices & Instruments industry, placing it in the top 87%.
Is West Pharmaceutical Services' Cyclically Adjusted PS Ratio too high?
West Pharmaceutical Services' current Cyclically Adjusted PS Ratio of 9.58 is 20% above median its 10-year median of 8.00. Over the past 10 years, this metric has ranged from a low of 3.99 to a high of 19.19. The Medical Devices & Instruments industry median Cyclically Adjusted PS Ratio is 2.29. West Pharmaceutical Services' value of 9.58 is 319.3% above this industry median. Based on the distribution chart, West Pharmaceutical Services ranks #456 out of 524 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. 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 PS Ratio compare to RMD and MDLN?
According to the Medical Devices & Instruments industry distribution chart, West Pharmaceutical Services ranks #456 out of 524 companies for Cyclically Adjusted PS Ratio. This places West Pharmaceutical Services in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 2.29. West Pharmaceutical Services' value of 9.58 is 319.3% above this benchmark. Historically, West Pharmaceutical Services' own Cyclically Adjusted PS Ratio has ranged from 3.99 to 19.19 over the past decade. While the company's 10-year median is 8.00 vs. the industry median of 2.29, West Pharmaceutical Services 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 PS Ratio for a Medical Devices & Instruments company?
The median Cyclically Adjusted PS Ratio among Medical Devices & Instruments companies is 2.29, based on 524 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. West Pharmaceutical Services's current Cyclically Adjusted PS Ratio of 9.58 is 319.3% 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 PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on West Pharmaceutical Services and its competitors. For the Medical Devices & Instruments industry, the median Cyclically Adjusted PS Ratio is 2.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. West Pharmaceutical Services's current Cyclically Adjusted PS Ratio is 9.58, which is 20% above median its own 10-year median of 8.00. 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 $362.14, compared to a current price of $357.64 — trading 1.2% below its estimated fair value. The current Cyclically Adjusted PS Ratio is 9.58, which is 20% above median its 10-year median of 8.00 and 319.3% above the Medical Devices & Instruments industry median of 2.29. 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 PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For West Pharmaceutical Services (WST), the current Cyclically Adjusted PS Ratio is 9.58 as of Jul. 07, 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 $357.64 is trading 1.2% below its estimated GF Value™ of $362.14.
GuruFocus considers West Pharmaceutical Services to be Fairly Valued.
Key valuation signals for WST:
Cyclically Adjusted PS Ratio: 9.58 (20% above median its 10-year median of 8.00)
GF Value™: $362.14 vs. price of $357.64 (1.2% below fair value)
Industry Position: 319.3% above the Medical Devices & Instruments median (#456 of 524)
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 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.
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