West Pharmaceutical ServicesWST +1.30%95 Median PS Value is $290.58 as of Jun. 24, 2026, which is 13353% above its 10-year median of 2.16. GuruFocus rates WST with a GF Score™ of 95/100 and a GF Value™ of $361.52 (Fairly Valued). The stock has 9 warning signs investors should review. Among 337 Medical Devices & Instruments companies, West Pharmaceutical Services ranks worse than 82.2% on this metric.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
The historical rank and industry rank for West Pharmaceutical Services's Median PS Value or its related term are showing as below:
WST'
s Price-to-Median-PS-Value Range Over the Past 10 Years
Min: 0.86 Med: 2.16 Max: 3.29
Current: 1.17
During the past 13 years, the highest Price to Median PS Value of West Pharmaceutical Services was 3.29. The lowest was 0.86. And the median was 2.16.
WST's Price-to-Median-PS-Value is ranked worse than 82.2% of 337
companies
in the Medical Devices & Instruments industry
Industry Median: 0.7
vs WST: 1.17
West Pharmaceutical Services (NYSE:WST) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
West Pharmaceutical Services's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
340.77
/
290.58
=
1.17
* 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 Median PS Value Related Terms
West Pharmaceutical Services Median PS Value 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 Median PS Value Chart
WST vs RMD, MDLN, SOLV: Median PS Value Comparison
For the Medical Instruments & Supplies subindustry, West Pharmaceutical Services's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-Value 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 Price-to-Median-PS-Value vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, West Pharmaceutical Services's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where West Pharmaceutical Services's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 6.5449.
West Pharmaceutical Services's Revenue per Share for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $44.398.
* 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 (WST) has a Median PS Value of $290.58 as of Jun. 24, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on West Pharmaceutical Services and its competitors. This is 13353% above median its historical median of 2.16. Over the past decade, West Pharmaceutical Services' Median PS Value has ranged from 0.86 to 3.29. According to the industry distribution chart, West Pharmaceutical Services ranks #277 out of 337 companies in the Medical Devices & Instruments industry, placing it in the top 82.2%.
Is West Pharmaceutical Services' Median PS Value too high?
West Pharmaceutical Services' current Median PS Value of $290.58 is 13353% above median its 10-year median of 2.16. Over the past 10 years, this metric has ranged from a low of 0.86 to a high of 3.29. The Medical Devices & Instruments industry median Median PS Value is 0.70. West Pharmaceutical Services' value of $290.58 is 41411.4% above this industry median. Based on the distribution chart, West Pharmaceutical Services ranks #277 out of 337 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' Median PS Value compare to RMD and MDLN?
According to the Medical Devices & Instruments industry distribution chart, West Pharmaceutical Services ranks #277 out of 337 companies for Median PS Value. This places West Pharmaceutical Services in the lower half of its industry. The industry median Median PS Value is 0.70. West Pharmaceutical Services' value of $290.58 is 41411.4% above this benchmark. Historically, West Pharmaceutical Services' own Median PS Value has ranged from 0.86 to 3.29 over the past decade. While the company's 10-year median is 2.16 vs. the industry median of 0.70, 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 Median PS Value for a Medical Devices & Instruments company?
The median Median PS Value among Medical Devices & Instruments companies is 0.70, based on 337 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. West Pharmaceutical Services's current Median PS Value of $290.58 is 41411.4% 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 Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on West Pharmaceutical Services and its competitors. For the Medical Devices & Instruments industry, the median Median PS Value is 0.70 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. West Pharmaceutical Services's current Median PS Value is $290.58, which is 13353% above median its own 10-year median of 2.16. 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 $361.52, compared to a current price of $340.77 — trading 5.7% below its estimated fair value. The current Median PS Value is $290.58, which is 13353% above median its 10-year median of 2.16 and 41411.4% above the Medical Devices & Instruments industry median of 0.70. 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 Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For West Pharmaceutical Services (WST), the current Median PS Value is $290.58 as of Jun. 24, 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 $340.77 is trading 5.7% below its estimated GF Value™ of $361.52.
GuruFocus considers West Pharmaceutical Services to be Fairly Valued.
Key valuation signals for WST:
Median PS Value: $290.58 (13353% above median its 10-year median of 2.16)
GF Value™: $361.52 vs. price of $340.77 (5.7% below fair value)
Industry Position: 41411.4% above the Medical Devices & Instruments median (#277 of 337)
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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