West Pharmaceutical Services (WST)
S&P 500 · Health Care · data since 1980-03-17 · last close 2026-07-24
1d
-7.67%
7d
-8.39%
30d
-3.59%
YTD
+19.48%
1y
+17.98%
West Pharmaceutical Services (WST) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -15.9 | 10.1 | -1.4 | 18.8 | 8.5 | 11.2 | -8.6 | · | · | · | · | · |
| 2025 | 4.3 | -31.9 | -3.6 | -5.5 | -0.2 | 3.8 | 9.4 | 3.2 | 6.2 | 7.5 | -1.6 | -0.8 |
| 2024 | 6.0 | -3.9 | 10.4 | -9.6 | -7.3 | -0.6 | -7.0 | 2.4 | -4.3 | 2.6 | 5.8 | 0.6 |
| 2023 | 12.9 | 19.4 | 9.3 | 4.3 | -7.4 | 14.3 | -3.7 | 10.6 | -7.8 | -15.2 | 10.3 | 0.4 |
| 2022 | -16.1 | -1.6 | 6.1 | -23.3 | -1.5 | -2.6 | 13.7 | -13.6 | -17.1 | -6.5 | 2.1 | 0.3 |
| 2021 | 5.8 | -6.3 | 0.4 | 16.6 | 5.8 | 3.3 | 14.7 | 9.7 | -6.0 | 1.3 | 3.0 | 6.0 |
| 2020 | 3.8 | -3.5 | 1.1 | 24.4 | 14.2 | 5.2 | 18.4 | 5.6 | -3.2 | -1.0 | 1.2 | 3.0 |
| 2019 | 10.6 | -3.3 | 5.2 | 12.5 | -7.4 | 9.2 | 9.8 | 6.0 | -2.5 | 1.5 | 2.2 | 2.2 |
| 2018 | 1.7 | -12.9 | 1.2 | 0.1 | 5.4 | 6.8 | 10.6 | 6.8 | 5.5 | -14.1 | 3.4 | -10.5 |
| 2017 | -0.1 | -2.5 | -1.0 | 12.9 | 5.4 | -2.6 | -6.0 | -1.9 | 10.6 | 5.5 | -1.4 | -1.3 |
| 2016 | -4.8 | 8.4 | 11.8 | 2.9 | 5.5 | 1.1 | 6.0 | 1.9 | -9.0 | 2.2 | 6.7 | 4.5 |
| 2015 | -7.2 | 11.0 | 10.0 | -11.3 | 1.6 | 7.3 | 3.3 | -6.7 | -3.1 | 11.1 | 5.1 | -4.5 |
| 2014 | -3.1 | -3.9 | -3.4 | -1.3 | -3.0 | 0.2 | -3.1 | 6.6 | 3.1 | 14.8 | 1.5 | 2.4 |
| 2013 | 8.5 | 2.0 | 7.5 | -1.4 | 7.3 | 2.5 | 5.3 | 0.3 | 11.3 | 17.8 | 3.3 | -1.7 |
| 2012 | 7.2 | 2.8 | 2.2 | 6.0 | 6.5 | 5.6 | -1.1 | -4.9 | 12.1 | 1.9 | 0.3 | 1.3 |
| 2011 | -2.5 | 2.8 | 8.9 | 5.9 | -1.6 | -5.8 | 0.6 | -8.6 | -7.5 | 5.3 | -0.9 | -1.5 |
| 2010 | -6.9 | 7.2 | 7.7 | 0.1 | -6.0 | -7.3 | 0.0 | -7.5 | 2.0 | 4.5 | 6.3 | 8.7 |
| 2009 | -11.7 | -7.6 | 6.9 | -0.1 | -1.0 | 7.8 | 5.2 | 10.1 | 1.1 | -2.4 | -2.3 | 1.7 |
| 2008 | -3.4 | 5.6 | 7.1 | 6.4 | 1.1 | -8.8 | 6.4 | 6.3 | 0.0 | -17.9 | -11.1 | 6.4 |
| 2007 | -5.0 | -6.7 | 2.6 | 7.5 | 2.2 | -7.3 | -1.6 | -13.5 | 4.0 | -0.4 | -9.1 | 8.0 |
| 2006 | 22.5 | 5.8 | 7.5 | 3.0 | -4.5 | 6.6 | 7.3 | 2.9 | -1.6 | 7.4 | 16.8 | 4.3 |
| 2005 | 4.7 | -1.5 | -7.0 | 10.7 | 5.7 | 0.8 | -1.5 | 3.0 | 4.7 | -18.8 | 4.1 | 0.2 |
| 2004 | 5.6 | 3.6 | 1.4 | 4.3 | -2.0 | 11.3 | -9.5 | 5.0 | 4.3 | 10.4 | 2.0 | 7.1 |
| 2003 | -21.5 | 1.0 | 2.2 | 22.9 | 5.4 | -2.5 | 7.9 | 10.6 | 8.0 | 6.2 | 2.9 | -0.3 |
| 2002 | -2.5 | 12.4 | 4.8 | -7.2 | 2.1 | 12.3 | -18.0 | -8.3 | -10.5 | -9.4 | 7.9 | 17.9 |
| 2001 | -0.9 | 3.9 | -7.0 | 18.9 | -2.3 | 0.3 | -0.0 | -4.1 | -4.3 | -0.0 | 11.5 | -2.2 |
| 2000 | 0.6 | -4.8 | -14.0 | -2.8 | -3.8 | -8.0 | -3.9 | 0.9 | 11.7 | -4.6 | 3.4 | 8.0 |
| 1999 | -1.1 | -5.9 | -3.6 | 4.2 | 3.8 | 14.4 | 0.7 | -4.4 | 0.8 | -8.5 | 1.1 | -11.4 |
| 1998 | 3.3 | 3.5 | -4.7 | 3.0 | -4.5 | -4.0 | -1.3 | -5.8 | 9.8 | 3.8 | 2.3 | 17.5 |
| 1997 | -1.3 | 0.5 | -2.7 | 3.3 | 5.8 | -3.0 | 3.1 | 6.0 | 6.0 | 2.4 | -5.6 | -6.3 |
| 1996 | 5.9 | -6.6 | 0.5 | -1.6 | 9.3 | 20.6 | -21.3 | 6.4 | 3.5 | 4.4 | 6.5 | -1.3 |
| 1995 | -1.4 | -3.7 | -1.9 | 10.3 | 0.5 | -0.4 | 4.0 | 3.0 | -5.9 | -11.6 | -3.0 | -2.1 |
| 1994 | 5.1 | -1.9 | -1.5 | -4.6 | -6.9 | -1.1 | 7.5 | 8.7 | 1.5 | 10.8 | -7.1 | 5.3 |
| 1993 | -0.1 | -10.6 | 17.5 | -1.2 | 0.0 | 0.5 | 3.1 | 1.6 | 0.5 | -2.1 | 2.6 | 0.5 |
| 1992 | 2.6 | 0.7 | 9.8 | -6.1 | 3.2 | 15.4 | -0.6 | -7.0 | 0.0 | -0.7 | 5.3 | 0.6 |
| 1991 | -0.1 | 9.3 | 7.5 | 12.1 | 0.8 | 0.0 | 2.2 | 6.2 | -3.6 | 1.4 | 0.8 | 10.4 |
| 1990 | -5.4 | 0.7 | 0.0 | -0.1 | 7.7 | -11.0 | -3.8 | -6.9 | -9.0 | -16.4 | -1.1 | 7.7 |
| 1989 | 5.5 | 6.3 | -1.5 | 16.4 | 0.0 | -3.3 | 7.2 | 0.0 | 9.5 | -13.0 | 2.0 | -0.7 |
| 1988 | 3.4 | -13.8 | -8.4 | 0.5 | 8.3 | -2.5 | 4.9 | -8.3 | -5.5 | 11.2 | 0.9 | 3.5 |
| 1987 | 24.4 | 12.5 | -3.8 | 6.0 | -0.3 | 1.6 | 1.6 | 1.2 | -5.4 | -23.3 | -11.7 | 26.4 |
| 1986 | 6.8 | 7.2 | 5.5 | -0.4 | 8.8 | -11.4 | -4.2 | -2.2 | -6.2 | 2.4 | 1.4 | 3.2 |
| 1985 | 18.4 | -1.8 | 1.2 | 6.6 | 15.3 | -4.4 | 10.8 | -3.7 | -8.7 | -2.6 | 2.2 | 9.5 |
| 1984 | 2.4 | -4.2 | -1.0 | -4.5 | -12.9 | 10.7 | -23.1 | 2.1 | -2.0 | 1.4 | -2.1 | -0.7 |
| 1983 | 4.5 | 9.3 | -0.6 | 13.6 | -2.0 | 8.2 | 6.1 | 7.6 | -5.0 | -1.7 | -0.4 | -7.6 |
| 1982 | -8.6 | 1.4 | -5.7 | 6.0 | -10.6 | 1.6 | -13.3 | 11.7 | 0.0 | 38.7 | -11.6 | 2.0 |
| 1981 | -4.6 | 6.7 | 15.9 | 21.6 | 2.4 | -9.4 | 6.1 | -13.9 | -5.2 | 26.6 | 19.1 | 1.3 |
| 1980 | · | · | -6.0 | 4.3 | 4.1 | 5.9 | 16.7 | 14.3 | 6.9 | 7.1 | 3.0 | 1.8 |
| Avg | 1.1 | 0.3 | 2.0 | 4.4 | 1.3 | 2.0 | 1.3 | 0.8 | -0.2 | 0.9 | 1.7 | 2.6 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
Seasonality — average by calendar month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +1.1% | +0.3% | +2.0% | +4.4% | +1.3% | +2.0% | +1.5% | +0.8% | -0.2% | +0.9% | +1.7% | +2.6% |
| Win rate | 52%/46 | 54%/46 | 57%/47 | 66%/47 | 55%/47 | 57%/47 | 61%/46 | 61%/46 | 48%/46 | 57%/46 | 70%/46 | 67%/46 |
Win rate = share of positive months / sample size.
Risk & extremes
Max drawdown
-59.3%
Worst peak-to-trough fall on record
Monthly volatility
±8%
Std. dev. of monthly returns
Positive months
59%
Share of completed months in the green
Best month
+38.71%
1982-10
Worst month
-31.93%
2025-02
Longest streaks
9▲ / 6▼
Consecutive up / down months
Drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
About West Pharmaceutical Services
West Pharmaceutical Services turns lab coats into cash flows — with price receipts on this site going back to 1980. And the long game: $100 at its first close here (1980) would be about $88,779 today.
Did you know?
- Its best month on record was October 1982 at +38.71%; its worst, February 2025 at -31.93%.
- It has closed November in the green 32 out of 46 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.