West Pharmaceutical Services (WST): analysis and statistics
Return, volatility, Sharpe ratio and risk for West Pharmaceutical Services, a component of the S&P 500 in the Health Care. Data as of 2026-10-29.
| Last close price | $403.64 |
| Sector (GICS) | Health Care |
| Annualized return (3.0 yr) | +8.27% |
| Total return over period | +26.77% |
| Annualized volatility | 43.06% |
| Period volatility | 74.38% |
| Period T-bill | 12.40% |
| Sharpe ratio | 0.19 |
| Sortino ratio | 0.26 |
| Max drawdown | -53.79% |
| CVaR 95% (avg. loss, worst 5% of days) | -5.79% |
| Correlation with the S&P 500 | 0.21 |
| Period range | $189.58 – $410.22 |
| Trading days analyzed | 752 |
Over the last 3.0 years, West Pharmaceutical Services (WST) has posted an annualized return of +8.27% with annual volatility of 43.06%, a Sharpe ratio of 0.19. Its worst stretch (max drawdown from a peak) was -53.79%. Its correlation with the S&P 500 is 0.21, which means it moves fairly independently of the index, useful for diversification.
These are historical, realized metrics, not projections: they describe how the stock behaved, not how it will behave going forward. To see how WST would fit inside an optimized portfolio alongside other stocks, try the optimizer.
Optimize a portfolio with WST →
Other Health Care stocks
Is it part of the S&P 500?
Yes, West Pharmaceutical Services (WST) is of the S&P 500.
What is the Sharpe ratio? · How to optimize an investment portfolio