Other
Expected volatility
West Pharmaceutical Services Expected volatility decreased by 4.1% to 35.5% in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 4.1%, from 37.0% to 35.5%. This is a positive signal — lower values indicate better performance for this metric.
Analysis
StatementIncome Statement
SectionOther
CategoryOther
SignalLower is better
VolatilityStable
First reportedQ1 2016
Last reportedQ1 2026Apr 23, 2026
How to read this metric
Higher volatility increases the fair value of options, leading to higher compensation expense.
Detailed definition
The estimated volatility of the company's stock price used in the Black-Scholes or similar valuation models to price emp...
Peer comparison
Standard disclosure in the footnotes of financial statements for all public companies.
Metric ID:
other_share_based_compensation_arrangement_by_share_base_179d93Historical Data
7 periods
| Q1 '22 | Q2 '22 | Q3 '22 | Q1 '23 | Q1 '24 | Q1 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|
| Value | 24.9% | 0.1% | 0.1% | 29.8% | 32% | 37% | 35.5% |
| QoQ Change | — | -99.6% | +0.0% | >999% | +7.4% | +15.6% | -4.1% |
| YoY Change | — | — | — | +19.7% | +7.4% | +15.6% | -4.1% |
Range0.1% – 37%
CAGR+26.7%
Avg YoY Growth+9.7%
Median YoY Growth+11.5%
Expected volatility at Other Companies
Frequently Asked Questions
- What is West Pharmaceutical Services's expected volatility?
- West Pharmaceutical Services (WST) reported expected volatility of 35.5% in Q1 2026.
- How has West Pharmaceutical Services's expected volatility changed year-over-year?
- West Pharmaceutical Services's expected volatility decreased by 4.1% year-over-year, from 37.0% to 35.5%.
- What does expected volatility mean?
- The expected fluctuation in the company's stock price used to value employee stock options.