What is the current 10-day volatility of MKSI?

As of today, MKSI 10-day volatility is 67.44%

What 10-day volatility category does MKSI fall into?

Based on its current 10-day historical volatility, MKSI falls into the extreme volatility category

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

MKSI 10-day volatility reached a 1-year high of 121.04% on July 2, 2026

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

MKSI 10-day volatility reached a 1-year low of 20.03% on December 10, 2025

What is the current 1-month volatility of MKSI?

As of today, MKSI 1-month volatility is 55.67%

What 1-month volatility category does MKSI fall into?

Based on its current 1-month historical volatility, MKSI falls into the high volatility category

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

MKSI 1-month volatility reached a 1-year high of 101.98% on July 2, 2026

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

MKSI 1-month volatility reached a 1-year low of 38.19% on December 11, 2025

What is the current 3-month volatility of MKSI?

As of today, MKSI 3-month volatility is 73.83%

What 3-month volatility category does MKSI fall into?

Based on its current 3-month historical volatility, MKSI falls into the extreme volatility category

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

MKSI 3-month volatility reached a 1-year high of 82.23% on August 19, 2026

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

MKSI 3-month volatility reached a 1-year low of 43.50% on September 30, 2025

What is the current 1-year volatility of MKSI?

As of today, MKSI 1-year volatility is 62.29%

What 1-year volatility category does MKSI fall into?

Based on its current 1-year historical volatility, MKSI falls into the extreme volatility category

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

MKSI 1-year volatility reached a 1-year high of 64.82% on April 1, 2026

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

MKSI 1-year volatility reached a 1-year low of 50.68% on June 3, 2026

MKS Inc. (MKSI) Stock Volatility History & Chart Since 1999

10-Day

67.44%

September 25, 2026

Summary

Current Value: As of today, MKSI 10-day volatility is 67.44%, down -3.08% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, MKSI falls into the extreme volatility category
1-Year High: MKSI 10-day volatility reached a 1-year high of 121.04% on July 2, 2026
1-Year Low: MKSI 10-day volatility reached a 1-year low of 20.03% on December 10, 2025

10-Day Volatility Chart

Performance

MKSI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	67.44%	-3.1%	+17.4%	-22.9%	+61.7%	+30.6%	+327.4%	+293.7%
1-Month Volatility	Sep 25, 26	55.67%	-0.4%	-36.1%	-25.4%	+36.6%	+23.6%	+123.3%	+139.5%
3-Month Volatility	Sep 25, 26	73.83%	-3.1%	-8.7%	+21.3%	+31.5%	+69.4%	+130.9%	+163.1%
1-Year Volatility	Sep 25, 26	62.29%	-0.1%	+1.3%	+15.8%	-1.0%	+3.2%	+28.3%	+49.3%
14-Day RSI	Sep 25, 26	47.94	+3.2%	+26.7%	-28.0%	-9.1%	-23.3%	+67.2%	-16.9%
Beta	Sep 25, 26	2.82	0.0%	-2.1%	+11.0%	+14.6%	+18.0%	+41.7%	+60.2%
ATR	Sep 25, 26	$12.17	-7.0%	-36.4%	-45.9%	+129.4%	+168.7%	+375.6%	+238.1%
Price	Sep 25, 26	$260.82	+1.1%	-3.6%	-36.4%	+63.2%	+113.3%	+206.7%	+70.1%
200-Day SMA	Sep 25, 26	$269.42	+0.4%	+4.4%	+24.2%	+142.4%	+177.8%	+186.4%	+61.7%
50-Day SMA	Sep 25, 26	$282.79	-1.1%	-16.2%	-10.9%	+85.7%	+166.4%	+191.8%	+87.0%
20-Day SMA	Sep 25, 26	$253.98	-0.4%	-13.9%	-27.8%	+57.4%	+121.5%	+175.3%	+70.1%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	67.44%	+61.7%
Dec 31, 2025	41.71%	+22.7%
Dec 31, 2024	34.00%	-22.2%
Dec 31, 2023	43.69%	+12.7%
Dec 31, 2022	38.76%	+3.1%
Dec 31, 2021	37.61%	+154.1%
Dec 31, 2020	14.80%	+11.9%
Dec 31, 2019	13.23%	-78.5%
Dec 31, 2018	61.47%	+149.8%
Dec 31, 2017	24.61%	+7.3%
Dec 31, 2016	22.93%	+33.4%
Dec 31, 2015	17.19%	+22.3%
Dec 31, 2014	14.05%	-16.1%
Dec 31, 2013	16.75%	-17.0%

Date	Value	Change
Dec 31, 2012	20.19%	-53.8%
Dec 31, 2011	43.68%	+32.5%
Dec 31, 2010	32.96%	+75.7%
Dec 31, 2009	18.76%	-71.2%
Dec 31, 2008	65.07%	+78.5%
Dec 31, 2007	36.45%	+21.9%
Dec 31, 2006	29.91%	+10.2%
Dec 31, 2005	27.13%	-14.7%
Dec 31, 2004	31.79%	+10.6%
Dec 31, 2003	28.75%	-28.1%
Dec 31, 2002	40.00%	-1.6%
Dec 31, 2001	40.63%	-10.0%
Dec 31, 2000	45.12%	-18.9%
Dec 31, 1999	55.65%	-

FAQ

What is the current 10-day volatility of MKSI?: As of today, MKSI 10-day volatility is 67.44%
What 10-day volatility category does MKSI fall into?: Based on its current 10-day historical volatility, MKSI falls into the extreme volatility category
What is MKSI 10-day volatility 1-year high?: MKSI 10-day volatility reached a 1-year high of 121.04% on July 2, 2026
What is MKSI 10-day volatility 1-year low?: MKSI 10-day volatility reached a 1-year low of 20.03% on December 10, 2025

1-Month

55.67%

September 25, 2026

Summary

Current Value: As of today, MKSI 1-month volatility is 55.67%, down -0.36% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, MKSI falls into the high volatility category
1-Year High: MKSI 1-month volatility reached a 1-year high of 101.98% on July 2, 2026
1-Year Low: MKSI 1-month volatility reached a 1-year low of 38.19% on December 11, 2025

Performance

MKSI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	55.67%	-0.4%	-36.1%	-25.4%	+36.6%	+23.6%	+123.3%	+139.5%
10-Day Volatility	Sep 25, 26	67.44%	-3.1%	+17.4%	-22.9%	+61.7%	+30.6%	+327.4%	+293.7%
3-Month Volatility	Sep 25, 26	73.83%	-3.1%	-8.7%	+21.3%	+31.5%	+69.4%	+130.9%	+163.1%
1-Year Volatility	Sep 25, 26	62.29%	-0.1%	+1.3%	+15.8%	-1.0%	+3.2%	+28.3%	+49.3%
14-Day RSI	Sep 25, 26	47.94	+3.2%	+26.7%	-28.0%	-9.1%	-23.3%	+67.2%	-16.9%
Beta	Sep 25, 26	2.82	0.0%	-2.1%	+11.0%	+14.6%	+18.0%	+41.7%	+60.2%
ATR	Sep 25, 26	$12.17	-7.0%	-36.4%	-45.9%	+129.4%	+168.7%	+375.6%	+238.1%
Price	Sep 25, 26	$260.82	+1.1%	-3.6%	-36.4%	+63.2%	+113.3%	+206.7%	+70.1%
200-Day SMA	Sep 25, 26	$269.42	+0.4%	+4.4%	+24.2%	+142.4%	+177.8%	+186.4%	+61.7%
50-Day SMA	Sep 25, 26	$282.79	-1.1%	-16.2%	-10.9%	+85.7%	+166.4%	+191.8%	+87.0%
20-Day SMA	Sep 25, 26	$253.98	-0.4%	-13.9%	-27.8%	+57.4%	+121.5%	+175.3%	+70.1%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	54.37%	+36.6%
Dec 31, 2025	39.79%	+22.2%
Dec 31, 2024	32.55%	-37.2%
Dec 31, 2023	51.83%	+21.0%
Dec 31, 2022	42.84%	+15.0%
Dec 31, 2021	37.26%	+18.4%
Dec 31, 2020	31.47%	+50.9%
Dec 31, 2019	20.85%	-64.7%
Dec 31, 2018	59.09%	+106.3%
Dec 31, 2017	28.64%	-2.6%
Dec 31, 2016	29.40%	+73.0%
Dec 31, 2015	16.99%	-6.4%
Dec 31, 2014	18.16%	-2.5%
Dec 31, 2013	18.63%	+8.1%

Date	Value	Change
Dec 31, 2012	17.23%	-62.6%
Dec 31, 2011	46.09%	+46.9%
Dec 31, 2010	31.38%	-2.8%
Dec 31, 2009	32.30%	-55.3%
Dec 31, 2008	72.33%	+127.7%
Dec 31, 2007	31.77%	+36.2%
Dec 31, 2006	23.33%	-19.3%
Dec 31, 2005	28.91%	-16.7%
Dec 31, 2004	34.69%	-30.3%
Dec 31, 2003	49.76%	-34.7%
Dec 31, 2002	76.25%	+30.5%
Dec 31, 2001	58.44%	-16.5%
Dec 31, 2000	69.95%	+7.9%
Dec 31, 1999	64.85%	-

FAQ

What is the current 1-month volatility of MKSI?: As of today, MKSI 1-month volatility is 55.67%
What 1-month volatility category does MKSI fall into?: Based on its current 1-month historical volatility, MKSI falls into the high volatility category
What is MKSI 1-month volatility 1-year high?: MKSI 1-month volatility reached a 1-year high of 101.98% on July 2, 2026
What is MKSI 1-month volatility 1-year low?: MKSI 1-month volatility reached a 1-year low of 38.19% on December 11, 2025

3-Month

73.83%

September 25, 2026

Summary

Current Value: As of today, MKSI 3-month volatility is 73.83%, down -3.10% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, MKSI falls into the extreme volatility category
1-Year High: MKSI 3-month volatility reached a 1-year high of 82.23% on August 19, 2026
1-Year Low: MKSI 3-month volatility reached a 1-year low of 43.50% on September 30, 2025

Performance

MKSI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	73.83%	-3.1%	-8.7%	+21.3%	+31.5%	+69.4%	+130.9%	+163.1%
10-Day Volatility	Sep 25, 26	67.44%	-3.1%	+17.4%	-22.9%	+61.7%	+30.6%	+327.4%	+293.7%
1-Month Volatility	Sep 25, 26	55.67%	-0.4%	-36.1%	-25.4%	+36.6%	+23.6%	+123.3%	+139.5%
1-Year Volatility	Sep 25, 26	62.29%	-0.1%	+1.3%	+15.8%	-1.0%	+3.2%	+28.3%	+49.3%
14-Day RSI	Sep 25, 26	47.94	+3.2%	+26.7%	-28.0%	-9.1%	-23.3%	+67.2%	-16.9%
Beta	Sep 25, 26	2.82	0.0%	-2.1%	+11.0%	+14.6%	+18.0%	+41.7%	+60.2%
ATR	Sep 25, 26	$12.17	-7.0%	-36.4%	-45.9%	+129.4%	+168.7%	+375.6%	+238.1%
Price	Sep 25, 26	$260.82	+1.1%	-3.6%	-36.4%	+63.2%	+113.3%	+206.7%	+70.1%
200-Day SMA	Sep 25, 26	$269.42	+0.4%	+4.4%	+24.2%	+142.4%	+177.8%	+186.4%	+61.7%
50-Day SMA	Sep 25, 26	$282.79	-1.1%	-16.2%	-10.9%	+85.7%	+166.4%	+191.8%	+87.0%
20-Day SMA	Sep 25, 26	$253.98	-0.4%	-13.9%	-27.8%	+57.4%	+121.5%	+175.3%	+70.1%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	73.85%	+30.0%
Dec 31, 2025	56.82%	+31.3%
Dec 31, 2024	43.28%	-2.7%
Dec 31, 2023	44.46%	-34.8%
Dec 31, 2022	68.19%	+114.0%
Dec 31, 2021	31.86%	-3.3%
Dec 31, 2020	32.95%	-21.1%
Dec 31, 2019	41.78%	-10.2%
Dec 31, 2018	46.50%	+58.9%
Dec 31, 2017	29.27%	+7.6%
Dec 31, 2016	27.20%	+33.1%
Dec 31, 2015	20.44%	-16.2%
Dec 31, 2014	24.38%	+20.0%
Dec 31, 2013	20.32%	-26.4%

Date	Value	Change
Dec 31, 2012	27.60%	-51.0%
Dec 31, 2011	56.32%	+77.7%
Dec 31, 2010	31.70%	-10.2%
Dec 31, 2009	35.32%	-52.9%
Dec 31, 2008	75.05%	+77.3%
Dec 31, 2007	42.32%	+61.1%
Dec 31, 2006	26.27%	-6.2%
Dec 31, 2005	28.00%	-23.6%
Dec 31, 2004	36.65%	-27.6%
Dec 31, 2003	50.60%	-48.1%
Dec 31, 2002	97.54%	+42.1%
Dec 31, 2001	68.63%	-11.5%
Dec 31, 2000	77.53%	+18.3%
Dec 31, 1999	65.51%	-

FAQ

What is the current 3-month volatility of MKSI?: As of today, MKSI 3-month volatility is 73.83%
What 3-month volatility category does MKSI fall into?: Based on its current 3-month historical volatility, MKSI falls into the extreme volatility category
What is MKSI 3-month volatility 1-year high?: MKSI 3-month volatility reached a 1-year high of 82.23% on August 19, 2026
What is MKSI 3-month volatility 1-year low?: MKSI 3-month volatility reached a 1-year low of 43.50% on September 30, 2025

1-Year

62.29%

September 25, 2026

Summary

Current Value: As of today, MKSI 1-year volatility is 62.29%, down -0.08% on September 25, 2026
Value Category: Based on its current 1-year historical volatility, MKSI falls into the extreme volatility category
1-Year High: MKSI 1-year volatility reached a 1-year high of 64.82% on April 1, 2026
1-Year Low: MKSI 1-year volatility reached a 1-year low of 50.68% on June 3, 2026

Performance

MKSI Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	62.29%	-0.1%	+1.3%	+15.8%	-1.0%	+3.2%	+28.3%	+49.3%
10-Day Volatility	Sep 25, 26	67.44%	-3.1%	+17.4%	-22.9%	+61.7%	+30.6%	+327.4%	+293.7%
1-Month Volatility	Sep 25, 26	55.67%	-0.4%	-36.1%	-25.4%	+36.6%	+23.6%	+123.3%	+139.5%
3-Month Volatility	Sep 25, 26	73.83%	-3.1%	-8.7%	+21.3%	+31.5%	+69.4%	+130.9%	+163.1%
1-Year Volatility	Sep 25, 26	62.29%	-0.1%	+1.3%	+15.8%	-1.0%	+3.2%	+28.3%	+49.3%
14-Day RSI	Sep 25, 26	47.94	+3.2%	+26.7%	-28.0%	-9.1%	-23.3%	+67.2%	-16.9%
Beta	Sep 25, 26	2.82	0.0%	-2.1%	+11.0%	+14.6%	+18.0%	+41.7%	+60.2%
ATR	Sep 25, 26	$12.17	-7.0%	-36.4%	-45.9%	+129.4%	+168.7%	+375.6%	+238.1%
Price	Sep 25, 26	$260.82	+1.1%	-3.6%	-36.4%	+63.2%	+113.3%	+206.7%	+70.1%
200-Day SMA	Sep 25, 26	$269.42	+0.4%	+4.4%	+24.2%	+142.4%	+177.8%	+186.4%	+61.7%
50-Day SMA	Sep 25, 26	$282.79	-1.1%	-16.2%	-10.9%	+85.7%	+166.4%	+191.8%	+87.0%
20-Day SMA	Sep 25, 26	$253.98	-0.4%	-13.9%	-27.8%	+57.4%	+121.5%	+175.3%	+70.1%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	62.17%	-1.2%
Dec 31, 2025	62.94%	+35.9%
Dec 31, 2024	46.31%	+12.7%
Dec 31, 2023	41.09%	-25.2%
Dec 31, 2022	54.92%	+33.0%
Dec 31, 2021	41.30%	-31.5%
Dec 31, 2020	60.31%	+48.1%
Dec 31, 2019	40.71%	-3.2%
Dec 31, 2018	42.05%	+40.2%
Dec 31, 2017	29.99%	+13.0%
Dec 31, 2016	26.55%	+23.7%
Dec 31, 2015	21.46%	+1.1%
Dec 31, 2014	21.23%	-6.8%
Dec 31, 2013	22.77%	-12.4%

Date	Value	Change
Dec 31, 2012	26.00%	-41.4%
Dec 31, 2011	44.34%	+6.1%
Dec 31, 2010	41.81%	-16.9%
Dec 31, 2009	50.30%	-9.2%
Dec 31, 2008	55.40%	+53.8%
Dec 31, 2007	36.02%	+9.4%
Dec 31, 2006	32.92%	-3.7%
Dec 31, 2005	34.20%	-32.9%
Dec 31, 2004	50.97%	-10.6%
Dec 31, 2003	56.99%	-22.7%
Dec 31, 2002	73.71%	-4.1%
Dec 31, 2001	76.83%	-24.5%
Dec 31, 2000	101.75%	+45.0%
Dec 31, 1999	70.19%	-

FAQ

What is the current 1-year volatility of MKSI?: As of today, MKSI 1-year volatility is 62.29%
What 1-year volatility category does MKSI fall into?: Based on its current 1-year historical volatility, MKSI falls into the extreme volatility category
What is MKSI 1-year volatility 1-year high?: MKSI 1-year volatility reached a 1-year high of 64.82% on April 1, 2026
What is MKSI 1-year volatility 1-year low?: MKSI 1-year volatility reached a 1-year low of 50.68% on June 3, 2026

Data Sources & References

MKSI Official Website www.mks.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1049502/000119312526066820/0001193125-26-066820-index.htm
MKSI Profile on Yahoo Finance finance.yahoo.com/quote/MKSI
MKSI Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/mksi