What is the current 10-day volatility of WST?

As of today, WST 10-day volatility is 18.34%

What 10-day volatility category does WST fall into?

Based on its current 10-day historical volatility, WST falls into the low volatility category

What is WST 10-day volatility 1-year high?

WST 10-day volatility reached a 1-year high of 70.62% on April 28, 2026

What is WST 10-day volatility 1-year low?

WST 10-day volatility reached a 1-year low of 8.76% on July 2, 2026

What is the current 1-month volatility of WST?

As of today, WST 1-month volatility is 21.70%

What 1-month volatility category does WST fall into?

Based on its current 1-month historical volatility, WST falls into the low volatility category

What is WST 1-month volatility 1-year high?

WST 1-month volatility reached a 1-year high of 54.52% on May 15, 2026

What is WST 1-month volatility 1-year low?

WST 1-month volatility reached a 1-year low of 14.94% on August 24, 2026

What is the current 3-month volatility of WST?

As of today, WST 3-month volatility is 25.15%

What 3-month volatility category does WST fall into?

Based on its current 3-month historical volatility, WST falls into the moderate volatility category

What is WST 3-month volatility 1-year high?

WST 3-month volatility reached a 1-year high of 56.11% on October 23, 2025

What is WST 3-month volatility 1-year low?

WST 3-month volatility reached a 1-year low of 23.64% on September 9, 2026

What is the current 1-year volatility of WST?

As of today, WST 1-year volatility is 33.51%

What 1-year volatility category does WST fall into?

Based on its current 1-year historical volatility, WST falls into the moderate volatility category

What is WST 1-year volatility 1-year high?

WST 1-year volatility reached a 1-year high of 58.74% on October 23, 2025

What is WST 1-year volatility 1-year low?

WST 1-year volatility reached a 1-year low of 33.34% on October 2, 2026

WST Stock Volatility History & Chart Since 1980

10-Day

18.34%

October 19, 2026

Summary

Current Value: As of today, WST 10-day volatility is 18.34%, down -22.71% on October 19, 2026
Value Category: Based on its current 10-day historical volatility, WST falls into the low volatility category
1-Year High: WST 10-day volatility reached a 1-year high of 70.62% on April 28, 2026
1-Year Low: WST 10-day volatility reached a 1-year low of 8.76% on July 2, 2026

10-Day Volatility Chart

Performance

WST Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Oct 19, 26	18.34%	-22.7%	-24.3%	+3.4%	+50.0%	+3.9%	-23.8%	-14.9%
1-Month Volatility	Oct 19, 26	21.70%	-1.4%	-1.2%	+9.2%	-18.4%	-14.9%	+4.6%	-12.6%
3-Month Volatility	Oct 19, 26	25.15%	-0.7%	+1.5%	-30.1%	-27.7%	-52.5%	-0.6%	+6.6%
1-Year Volatility	Oct 19, 26	33.51%	+0.0%	-0.7%	-18.3%	-40.3%	-42.0%	-6.5%	+42.6%
14-Day RSI	Oct 19, 26	65.43	-0.2%	+6.3%	+19.0%	+25.3%	-0.0%	+93.2%	+47.1%
Beta	Oct 19, 26	0.60	0.0%	-3.2%	-10.4%	+9.1%	+5.3%	-47.8%	-13.0%
ATR	Oct 19, 26	$8.37	-4.0%	+0.9%	+5.1%	+33.1%	+38.8%	-0.4%	-18.4%
Price	Oct 19, 26	$383.91	-0.0%	+6.0%	+9.0%	+39.5%	+39.6%	+5.6%	-7.4%
200-Day SMA	Oct 19, 26	$307.83	+0.2%	+3.5%	+9.4%	+26.7%	+25.4%	-11.8%	-12.6%
50-Day SMA	Oct 19, 26	$358.74	+0.2%	+2.7%	+7.9%	+30.3%	+40.4%	-7.7%	-17.9%
20-Day SMA	Oct 19, 26	$372.71	+0.3%	+7.0%	+5.3%	+36.3%	+40.8%	-1.4%	-11.1%

10-Day Volatility History

Date	Value	Change
Oct 20, 2026	18.34%	+50.0%
Dec 31, 2025	12.23%	-37.2%
Dec 31, 2024	19.48%	+20.2%
Dec 31, 2023	16.20%	-57.1%
Dec 31, 2022	37.75%	+86.0%
Dec 31, 2021	20.30%	-5.2%
Dec 31, 2020	21.41%	+210.7%
Dec 31, 2019	6.89%	-78.9%
Dec 31, 2018	32.64%	+287.2%
Dec 31, 2017	8.43%	-18.6%
Dec 31, 2016	10.36%	-49.7%
Dec 31, 2015	20.61%	-11.8%
Dec 31, 2014	23.37%	-18.5%
Dec 31, 2013	28.67%	+101.6%
Dec 31, 2012	14.22%	+8.0%
Dec 31, 2011	13.17%	-25.0%
Dec 31, 2010	17.57%	+3.0%
Dec 31, 2009	17.06%	-53.6%
Dec 31, 2008	36.77%	+94.4%
Dec 31, 2007	18.91%	-5.3%
Dec 31, 2006	19.97%	+9.1%
Dec 31, 2005	18.30%	-64.2%
Dec 31, 2004	51.16%	+108.3%
Dec 31, 2003	24.56%	-30.7%

Date	Value	Change
Dec 31, 2002	35.43%	+123.8%
Dec 31, 2001	15.83%	-45.6%
Dec 31, 2000	29.09%	+217.2%
Dec 31, 1999	9.17%	-46.6%
Dec 31, 1998	17.16%	-33.9%
Dec 31, 1997	25.97%	+401.4%
Dec 31, 1996	5.18%	-81.1%
Dec 31, 1995	27.45%	+107.5%
Dec 31, 1994	13.23%	+86.6%
Dec 31, 1993	7.09%	-62.2%
Dec 31, 1992	18.77%	-16.0%
Dec 31, 1991	22.34%	-18.0%
Dec 31, 1990	27.24%	+1.4%
Dec 31, 1989	26.87%	+14.6%
Dec 31, 1988	23.44%	-27.2%
Dec 31, 1987	32.21%	+111.8%
Dec 31, 1986	15.21%	-3.2%
Dec 31, 1985	15.71%	+1.9%
Dec 31, 1984	15.41%	-10.6%
Dec 31, 1983	17.23%	-48.1%
Dec 31, 1982	33.20%	+219.8%
Dec 31, 1981	10.38%	-72.2%
Dec 31, 1980	37.39%	-

FAQ

What is the current 10-day volatility of WST?: As of today, WST 10-day volatility is 18.34%
What 10-day volatility category does WST fall into?: Based on its current 10-day historical volatility, WST falls into the low volatility category
What is WST 10-day volatility 1-year high?: WST 10-day volatility reached a 1-year high of 70.62% on April 28, 2026
What is WST 10-day volatility 1-year low?: WST 10-day volatility reached a 1-year low of 8.76% on July 2, 2026

1-Month

21.70%

October 19, 2026

Summary

Current Value: As of today, WST 1-month volatility is 21.70%, down -1.41% on October 19, 2026
Value Category: Based on its current 1-month historical volatility, WST falls into the low volatility category
1-Year High: WST 1-month volatility reached a 1-year high of 54.52% on May 15, 2026
1-Year Low: WST 1-month volatility reached a 1-year low of 14.94% on August 24, 2026

Performance

WST Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Oct 19, 26	21.70%	-1.4%	-1.2%	+9.2%	-18.4%	-14.9%	+4.6%	-12.6%
10-Day Volatility	Oct 19, 26	18.34%	-22.7%	-24.3%	+3.4%	+50.0%	+3.9%	-23.8%	-14.9%
3-Month Volatility	Oct 19, 26	25.15%	-0.7%	+1.5%	-30.1%	-27.7%	-52.5%	-0.6%	+6.6%
1-Year Volatility	Oct 19, 26	33.51%	+0.0%	-0.7%	-18.3%	-40.3%	-42.0%	-6.5%	+42.6%
14-Day RSI	Oct 19, 26	65.43	-0.2%	+6.3%	+19.0%	+25.3%	-0.0%	+93.2%	+47.1%
Beta	Oct 19, 26	0.60	0.0%	-3.2%	-10.4%	+9.1%	+5.3%	-47.8%	-13.0%
ATR	Oct 19, 26	$8.37	-4.0%	+0.9%	+5.1%	+33.1%	+38.8%	-0.4%	-18.4%
Price	Oct 19, 26	$383.91	-0.0%	+6.0%	+9.0%	+39.5%	+39.6%	+5.6%	-7.4%
200-Day SMA	Oct 19, 26	$307.83	+0.2%	+3.5%	+9.4%	+26.7%	+25.4%	-11.8%	-12.6%
50-Day SMA	Oct 19, 26	$358.74	+0.2%	+2.7%	+7.9%	+30.3%	+40.4%	-7.7%	-17.9%
20-Day SMA	Oct 19, 26	$372.71	+0.3%	+7.0%	+5.3%	+36.3%	+40.8%	-1.4%	-11.1%

1-Month Volatility History

Date	Value	Change
Oct 20, 2026	21.70%	-17.3%
Dec 31, 2025	26.25%	+23.1%
Dec 31, 2024	21.33%	+10.8%
Dec 31, 2023	19.25%	-48.1%
Dec 31, 2022	37.09%	+43.0%
Dec 31, 2021	25.94%	+23.4%
Dec 31, 2020	21.02%	+75.6%
Dec 31, 2019	11.97%	-56.8%
Dec 31, 2018	27.72%	+274.1%
Dec 31, 2017	7.41%	-47.0%
Dec 31, 2016	13.97%	-37.1%
Dec 31, 2015	22.22%	-8.8%
Dec 31, 2014	24.36%	-8.2%
Dec 31, 2013	26.53%	+86.2%
Dec 31, 2012	14.25%	-25.2%
Dec 31, 2011	19.05%	-7.3%
Dec 31, 2010	20.55%	+12.8%
Dec 31, 2009	18.22%	-62.9%
Dec 31, 2008	49.17%	+123.6%
Dec 31, 2007	21.99%	+9.3%
Dec 31, 2006	20.12%	+11.3%
Dec 31, 2005	18.07%	-52.4%
Dec 31, 2004	37.94%	+10.3%
Dec 31, 2003	34.39%	+16.0%

Date	Value	Change
Dec 31, 2002	29.65%	+67.0%
Dec 31, 2001	17.75%	-38.2%
Dec 31, 2000	28.70%	+216.1%
Dec 31, 1999	9.08%	-51.8%
Dec 31, 1998	18.84%	-29.3%
Dec 31, 1997	26.63%	+185.1%
Dec 31, 1996	9.34%	-67.7%
Dec 31, 1995	28.92%	+125.4%
Dec 31, 1994	12.83%	+45.8%
Dec 31, 1993	8.80%	-42.4%
Dec 31, 1992	15.28%	-23.8%
Dec 31, 1991	20.05%	-46.1%
Dec 31, 1990	37.18%	+26.1%
Dec 31, 1989	29.49%	-7.5%
Dec 31, 1988	31.87%	-23.1%
Dec 31, 1987	41.43%	+135.8%
Dec 31, 1986	17.57%	-1.2%
Dec 31, 1985	17.79%	-11.2%
Dec 31, 1984	20.03%	-10.2%
Dec 31, 1983	22.31%	-39.2%
Dec 31, 1982	36.69%	+117.4%
Dec 31, 1981	16.88%	-56.1%
Dec 31, 1980	38.41%	-

FAQ

What is the current 1-month volatility of WST?: As of today, WST 1-month volatility is 21.70%
What 1-month volatility category does WST fall into?: Based on its current 1-month historical volatility, WST falls into the low volatility category
What is WST 1-month volatility 1-year high?: WST 1-month volatility reached a 1-year high of 54.52% on May 15, 2026
What is WST 1-month volatility 1-year low?: WST 1-month volatility reached a 1-year low of 14.94% on August 24, 2026

3-Month

25.15%

October 19, 2026

Summary

Current Value: As of today, WST 3-month volatility is 25.15%, down -0.71% on October 19, 2026
Value Category: Based on its current 3-month historical volatility, WST falls into the moderate volatility category
1-Year High: WST 3-month volatility reached a 1-year high of 56.11% on October 23, 2025
1-Year Low: WST 3-month volatility reached a 1-year low of 23.64% on September 9, 2026

Performance

WST Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Oct 19, 26	25.15%	-0.7%	+1.5%	-30.1%	-27.7%	-52.5%	-0.6%	+6.6%
10-Day Volatility	Oct 19, 26	18.34%	-22.7%	-24.3%	+3.4%	+50.0%	+3.9%	-23.8%	-14.9%
1-Month Volatility	Oct 19, 26	21.70%	-1.4%	-1.2%	+9.2%	-18.4%	-14.9%	+4.6%	-12.6%
1-Year Volatility	Oct 19, 26	33.51%	+0.0%	-0.7%	-18.3%	-40.3%	-42.0%	-6.5%	+42.6%
14-Day RSI	Oct 19, 26	65.43	-0.2%	+6.3%	+19.0%	+25.3%	-0.0%	+93.2%	+47.1%
Beta	Oct 19, 26	0.60	0.0%	-3.2%	-10.4%	+9.1%	+5.3%	-47.8%	-13.0%
ATR	Oct 19, 26	$8.37	-4.0%	+0.9%	+5.1%	+33.1%	+38.8%	-0.4%	-18.4%
Price	Oct 19, 26	$383.91	-0.0%	+6.0%	+9.0%	+39.5%	+39.6%	+5.6%	-7.4%
200-Day SMA	Oct 19, 26	$307.83	+0.2%	+3.5%	+9.4%	+26.7%	+25.4%	-11.8%	-12.6%
50-Day SMA	Oct 19, 26	$358.74	+0.2%	+2.7%	+7.9%	+30.3%	+40.4%	-7.7%	-17.9%
20-Day SMA	Oct 19, 26	$372.71	+0.3%	+7.0%	+5.3%	+36.3%	+40.8%	-1.4%	-11.1%

3-Month Volatility History

Date	Value	Change
Oct 20, 2026	25.15%	-28.5%
Dec 31, 2025	35.18%	-19.7%
Dec 31, 2024	43.79%	+52.6%
Dec 31, 2023	28.70%	-48.4%
Dec 31, 2022	55.57%	+99.8%
Dec 31, 2021	27.81%	-2.0%
Dec 31, 2020	28.38%	+87.5%
Dec 31, 2019	15.14%	-51.3%
Dec 31, 2018	31.06%	+23.3%
Dec 31, 2017	25.20%	+40.8%
Dec 31, 2016	17.90%	-14.6%
Dec 31, 2015	20.95%	-16.7%
Dec 31, 2014	25.16%	+3.7%
Dec 31, 2013	24.27%	+53.7%
Dec 31, 2012	15.79%	-54.5%
Dec 31, 2011	34.68%	+68.8%
Dec 31, 2010	20.55%	-15.4%
Dec 31, 2009	24.28%	-60.2%
Dec 31, 2008	61.05%	+123.0%
Dec 31, 2007	27.38%	-14.2%
Dec 31, 2006	31.90%	-14.0%
Dec 31, 2005	37.08%	+6.7%
Dec 31, 2004	34.76%	+12.5%
Dec 31, 2003	30.91%	-18.4%

Date	Value	Change
Dec 31, 2002	37.86%	+27.0%
Dec 31, 2001	29.81%	+16.3%
Dec 31, 2000	25.63%	+39.8%
Dec 31, 1999	18.33%	-7.7%
Dec 31, 1998	19.85%	-19.8%
Dec 31, 1997	24.75%	+94.3%
Dec 31, 1996	12.74%	-45.9%
Dec 31, 1995	23.56%	+37.9%
Dec 31, 1994	17.08%	+61.6%
Dec 31, 1993	10.57%	-39.9%
Dec 31, 1992	17.59%	-9.3%
Dec 31, 1991	19.40%	-42.5%
Dec 31, 1990	33.74%	+28.3%
Dec 31, 1989	26.29%	-17.8%
Dec 31, 1988	31.97%	-41.7%
Dec 31, 1987	54.82%	+160.8%
Dec 31, 1986	21.02%	+10.2%
Dec 31, 1985	19.07%	-24.1%
Dec 31, 1984	25.11%	-10.9%
Dec 31, 1983	28.18%	-57.5%
Dec 31, 1982	66.30%	+110.5%
Dec 31, 1981	31.49%	-19.1%
Dec 31, 1980	38.92%	-

FAQ

What is the current 3-month volatility of WST?: As of today, WST 3-month volatility is 25.15%
What 3-month volatility category does WST fall into?: Based on its current 3-month historical volatility, WST falls into the moderate volatility category
What is WST 3-month volatility 1-year high?: WST 3-month volatility reached a 1-year high of 56.11% on October 23, 2025
What is WST 3-month volatility 1-year low?: WST 3-month volatility reached a 1-year low of 23.64% on September 9, 2026

1-Year

33.51%

October 19, 2026

Summary

Current Value: As of today, WST 1-year volatility is 33.51%, up +0.03% on October 19, 2026
Value Category: Based on its current 1-year historical volatility, WST falls into the moderate volatility category
1-Year High: WST 1-year volatility reached a 1-year high of 58.74% on October 23, 2025
1-Year Low: WST 1-year volatility reached a 1-year low of 33.34% on October 2, 2026

Performance

WST Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Oct 19, 26	33.51%	+0.0%	-0.7%	-18.3%	-40.3%	-42.0%	-6.5%	+42.6%
10-Day Volatility	Oct 19, 26	18.34%	-22.7%	-24.3%	+3.4%	+50.0%	+3.9%	-23.8%	-14.9%
1-Month Volatility	Oct 19, 26	21.70%	-1.4%	-1.2%	+9.2%	-18.4%	-14.9%	+4.6%	-12.6%
3-Month Volatility	Oct 19, 26	25.15%	-0.7%	+1.5%	-30.1%	-27.7%	-52.5%	-0.6%	+6.6%
1-Year Volatility	Oct 19, 26	33.51%	+0.0%	-0.7%	-18.3%	-40.3%	-42.0%	-6.5%	+42.6%
14-Day RSI	Oct 19, 26	65.43	-0.2%	+6.3%	+19.0%	+25.3%	-0.0%	+93.2%	+47.1%
Beta	Oct 19, 26	0.60	0.0%	-3.2%	-10.4%	+9.1%	+5.3%	-47.8%	-13.0%
ATR	Oct 19, 26	$8.37	-4.0%	+0.9%	+5.1%	+33.1%	+38.8%	-0.4%	-18.4%
Price	Oct 19, 26	$383.91	-0.0%	+6.0%	+9.0%	+39.5%	+39.6%	+5.6%	-7.4%
200-Day SMA	Oct 19, 26	$307.83	+0.2%	+3.5%	+9.4%	+26.7%	+25.4%	-11.8%	-12.6%
50-Day SMA	Oct 19, 26	$358.74	+0.2%	+2.7%	+7.9%	+30.3%	+40.4%	-7.7%	-17.9%
20-Day SMA	Oct 19, 26	$372.71	+0.3%	+7.0%	+5.3%	+36.3%	+40.8%	-1.4%	-11.1%

1-Year Volatility History

Date	Value	Change
Oct 20, 2026	33.51%	-40.3%
Dec 31, 2025	56.12%	+45.0%
Dec 31, 2024	38.71%	+32.8%
Dec 31, 2023	29.14%	-31.2%
Dec 31, 2022	42.34%	+77.0%
Dec 31, 2021	23.92%	-39.2%
Dec 31, 2020	39.37%	+79.3%
Dec 31, 2019	21.96%	-18.0%
Dec 31, 2018	26.78%	+20.4%
Dec 31, 2017	22.24%	-1.5%
Dec 31, 2016	22.58%	+3.2%
Dec 31, 2015	21.87%	-3.4%
Dec 31, 2014	22.63%	+22.2%
Dec 31, 2013	18.52%	-16.9%
Dec 31, 2012	22.28%	-18.2%
Dec 31, 2011	27.24%	+13.3%
Dec 31, 2010	24.04%	-19.8%
Dec 31, 2009	29.96%	-30.3%
Dec 31, 2008	42.98%	+32.1%
Dec 31, 2007	32.54%	+3.9%
Dec 31, 2006	31.32%	-1.5%
Dec 31, 2005	31.79%	+15.0%
Dec 31, 2004	27.64%	-17.8%
Dec 31, 2003	33.61%	+20.9%

Date	Value	Change
Dec 31, 2002	27.79%	+7.4%
Dec 31, 2001	25.87%	-21.1%
Dec 31, 2000	32.77%	+105.8%
Dec 31, 1999	15.92%	-22.5%
Dec 31, 1998	20.53%	+20.1%
Dec 31, 1997	17.09%	-19.4%
Dec 31, 1996	21.20%	+33.2%
Dec 31, 1995	15.92%	-4.4%
Dec 31, 1994	16.66%	+1.0%
Dec 31, 1993	16.50%	-16.9%
Dec 31, 1992	19.85%	-17.9%
Dec 31, 1991	24.17%	-2.6%
Dec 31, 1990	24.81%	+0.6%
Dec 31, 1989	24.66%	-26.3%
Dec 31, 1988	33.46%	-8.6%
Dec 31, 1987	36.59%	+98.6%
Dec 31, 1986	18.42%	-15.8%
Dec 31, 1985	21.87%	-32.4%
Dec 31, 1984	32.33%	-0.4%
Dec 31, 1983	32.46%	-28.7%
Dec 31, 1982	45.53%	+49.9%
Dec 31, 1981	30.37%	-31.7%
Dec 31, 1980	44.49%	-

FAQ

What is the current 1-year volatility of WST?: As of today, WST 1-year volatility is 33.51%
What 1-year volatility category does WST fall into?: Based on its current 1-year historical volatility, WST falls into the moderate volatility category
What is WST 1-year volatility 1-year high?: WST 1-year volatility reached a 1-year high of 58.74% on October 23, 2025
What is WST 1-year volatility 1-year low?: WST 1-year volatility reached a 1-year low of 33.34% on October 2, 2026

Data Sources & References

WST Official Website www.westpharma.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/105770/000010577026000010/0000105770-26-000010-index.htm
WST Profile on Yahoo Finance finance.yahoo.com/quote/WST
WST Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wst