WST
West Pharmaceutical Services
PEG ratio, current and historical analysis
- Stocks
- Healthcare
- NYSE: WST
- PEG Ratio
As of Jun 22, 2026, WST's PEG ratio of 2.56 reflects its valuation relative to its growth. This value reflects a P/E ratio of 43.84 measured against EPS growth of 17.1%.
WST PEG ratio history
West Pharmaceutical Services's ten years historical PEG ratio averages out to 5.62. Compared to historical data, WST's 2.56 PEG ratio represents a decrease of 54%. WST reached its maximum PEG ratio of 33.57 during the Dec 2025 quarter over the past ten years. The Mar 2017 quarter had the bottom reading at 0.3, indicating the most optimal growth-adjusted valuation.
West Pharmaceutical Services PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 33.57 | 40.28 | 1.2% |
| 2024 | N/A | 48.53 | -15.4% |
| 2023 | 31.52 | 44.13 | 1.4% |
| 2022 | N/A | 29.9 | -11.5% |
| 2021 | 0.59 | 52.76 | 90% |
| 2020 | 1.4 | 60.54 | 43.1% |
| 2019 | 2.74 | 45.97 | 16.8% |
| 2018 | 0.94 | 35.01 | 37.3% |
| 2017 | 11.8 | 48.37 | 4.1% |
| 2016 | 0.91 | 43.28 | 47.4% |
| 2015 | N/A | 45.28 | -25.7% |
| 2014 | 2.66 | 29.74 | 11.2% |
| 2013 | 0.86 | 30.47 | 35.3% |
| 2012 | 3.65 | 23 | 6.3% |
| 2011 | 1.18 | 16.94 | 14.3% |
West Pharmaceutical Services PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Mar 2026 | 1.95 | 33.33 | 17.1% |
| Dec 2025 | 33.57 | 40.28 | 1.2% |
| Sep 2025 | N/A | 38.63 | -0.3% |
| Jun 2025 | N/A | 32.56 | -5.5% |
| Mar 2025 | N/A | 34.87 | -16.3% |
| Dec 2024 | N/A | 48.53 | -15.4% |
| Sep 2024 | N/A | 44.08 | -9.3% |
| Jun 2024 | 21.06 | 46.33 | 2.2% |
| Mar 2024 | 14.74 | 51.59 | 3.5% |
| Dec 2023 | 31.52 | 44.13 | 1.4% |
| Sep 2023 | N/A | 49.96 | -10.9% |
| Jun 2023 | N/A | 54.95 | -24.2% |
| Mar 2023 | N/A | 46.76 | -19.3% |
| Dec 2022 | N/A | 29.9 | -11.5% |
| Sep 2022 | 15.36 | 29.19 | 1.9% |
WST average PEG ratio chart
When comparing to historical data, WST's PEG ratio comes in under the 3, 5 and 10-year averages.
PEG comparison
With a PEG of 2.56, WST stands above the Healthcare sector and the industry average. In comparison with its Healthcare sector average of 0.55, West Pharmaceutical Services's PEG is 365% higher.
WST EPS growth
WST Price vs fair value
WST PEG vs peers
Among its peers, WST has a PEG ratio below stock MDT, while higher than SYK's and ICUI's.
| Stock name | PEG ratio | Market cap |
|---|---|---|
| ICUI Icu Medical Inc | 0.49 | $3.39B |
| SYK Stryker Corp | 2.15 | $118.84B |
| WST West Pharmaceutical Services Inc | 2.62 | $23.77B |
| MDT Medtronic plc | 6.52 | $103.21B |
| BDX Becton Dickinson & Co | N/A | $39.66B |
| BAX Baxter International Inc | N/A | $10.38B |
| TFX Teleflex Inc | N/A | $5.5B |
| JNJ Johnson & Johnson | N/A | $575.52B |
Frequently asked questions
What is West Pharmaceutical Services's PEG ratio?
WST shows a PEG ratio of 2.56, per Jun 22, 2026 data.
What is the 3-year average PEG ratio for West Pharmaceutical Services (WST)?
WST shows a 3-year average PEG ratio of 20.57.
What is the 5-year average PEG ratio for West Pharmaceutical Services (WST)?
WST shows a 5-year average PEG ratio of 11.07.
What is the highest PEG ratio for WST?
The Dec 2025 quarter marked the ten years high at 33.57 for WST's PEG ratio.
How does the current PEG ratio for WST compare to its historical average?
Currently, WST's PEG ratio is 54% lower than its 10-year historical average.
Why is West Pharmaceutical Services's PEG ratio so high?
The elevated PEG ratio of 2.56 indicates that WST may be overvalued relative to its earnings growth potential.
How is WST's PEG ratio calculated (West Pharmaceutical Services PEG ratio formula)?
PEG equals PE divided by EPS growth rate (YoY TTM). As of Jun 22, 2026, West Pharmaceutical Services carries a P/E ratio of 43.84. Earnings grew at 17.1% over the TTM period ending Mar 2026. Applying the formula, this yields a price to earnings growth ratio of 2.56. PEG RATIO(2.56) = PE RATIO(43.84) / EPS GROWTH(17.1%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.