What is the current 10-day volatility of KLAC?

As of today, KLAC 10-day volatility is 54.87%

What 10-day volatility category does KLAC fall into?

Based on its current 10-day historical volatility, KLAC falls into the high volatility category

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

KLAC 10-day volatility reached a 1-year high of 143.37% on July 2, 2026

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

KLAC 10-day volatility reached a 1-year low of 19.07% on December 11, 2025

What is the current 1-month volatility of KLAC?

As of today, KLAC 1-month volatility is 50.39%

What 1-month volatility category does KLAC fall into?

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

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

KLAC 1-month volatility reached a 1-year high of 127.07% on July 2, 2026

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

KLAC 1-month volatility reached a 1-year low of 28.49% on October 2, 2025

What is the current 3-month volatility of KLAC?

As of today, KLAC 3-month volatility is 72.38%

What 3-month volatility category does KLAC fall into?

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

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

KLAC 3-month volatility reached a 1-year high of 86.21% on August 5, 2026

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

KLAC 3-month volatility reached a 1-year low of 33.53% on September 29, 2025

What is the current 1-year volatility of KLAC?

As of today, KLAC 1-year volatility is 60.86%

What 1-year volatility category does KLAC fall into?

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

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

KLAC 1-year volatility reached a 1-year high of 60.86% on September 23, 2026

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

KLAC 1-year volatility reached a 1-year low of 42.18% on October 17, 2025

KLA Corporation (KLAC) Stock Volatility History & Chart

10-Day

54.87%

September 21, 2026

Summary

Current Value: As of today, KLAC 10-day volatility is 54.87%, unchanged on September 21, 2026
Value Category: Based on its current 10-day historical volatility, KLAC falls into the high volatility category
1-Year High: KLAC 10-day volatility reached a 1-year high of 143.37% on July 2, 2026
1-Year Low: KLAC 10-day volatility reached a 1-year low of 19.07% on December 11, 2025

10-Day Volatility Chart

Performance

KLAC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 21, 26	54.87%	0.0%	+11.1%	-48.3%	+43.6%	+82.3%	+96.3%	+77.7%
1-Month Volatility	Sep 21, 26	50.39%	0.0%	-24.7%	-46.2%	+50.4%	+59.5%	+73.3%	+88.6%
3-Month Volatility	Sep 21, 26	72.38%	-1.9%	-15.8%	+7.4%	+76.4%	+110.7%	+112.1%	+113.9%
1-Year Volatility	Sep 21, 26	60.86%	+0.3%	+1.6%	+18.0%	+40.4%	+39.3%	+58.2%	+50.7%
14-Day RSI	Sep 21, 26	51.44	0.0%	+29.2%	-13.9%	+4.5%	-35.4%	+46.5%	-21.9%
Beta	Sep 21, 26	2.78	0.0%	-0.4%	+11.7%	+64.5%	+72.7%	+80.5%	+55.3%
ATR	Sep 21, 26	$8.55	0.0%	-26.6%	-45.5%	+137.4%	+209.4%	+564.1%	+769.8%
Price	Sep 23, 26	$183.75	-2.4%	-0.1%	-24.8%	+51.2%	+71.5%	+306.7%	+395.3%
200-Day SMA	Sep 21, 26	$174.61	0.0%	+3.6%	+19.5%	+85.3%	+123.2%	+309.6%	+458.0%
50-Day SMA	Sep 21, 26	$191.79	0.0%	-12.8%	-2.7%	+60.2%	+108.0%	+296.1%	+470.0%
20-Day SMA	Sep 21, 26	$177.47	0.0%	-8.1%	-20.0%	+43.9%	+87.8%	+267.6%	+405.6%

10-Day Volatility History

Date	Value	Change
Sep 23, 2026	54.87%	+43.6%
Dec 31, 2025	38.20%	+36.7%
Dec 31, 2024	27.95%	+12.5%
Dec 31, 2023	24.84%	-38.1%
Dec 31, 2022	40.15%	-8.8%
Dec 31, 2021	44.01%	+87.2%
Dec 31, 2020	23.51%	+82.7%
Dec 31, 2019	12.87%	-73.6%
Dec 31, 2018	48.77%	+28.6%
Dec 31, 2017	37.92%	+167.6%
Dec 31, 2016	14.17%	-24.3%
Dec 31, 2015	18.73%	-24.9%
Dec 31, 2014	24.94%	+168.5%
Dec 31, 2013	9.29%	-36.1%
Dec 31, 2012	14.54%	-60.6%
Dec 31, 2011	36.95%	+325.2%
Dec 31, 2010	8.69%	-66.8%
Dec 31, 2009	26.16%	-51.1%
Dec 31, 2008	53.55%	+219.9%
Dec 31, 2007	16.74%	-0.5%
Dec 31, 2006	16.82%	-2.2%
Dec 31, 2005	17.20%	+5.8%
Dec 31, 2004	16.26%	-10.8%
Dec 31, 2003	18.22%	-52.2%

Date	Value	Change
Dec 31, 2002	38.09%	-31.1%
Dec 31, 2001	55.25%	-32.4%
Dec 31, 2000	81.70%	+29.5%
Dec 31, 1999	63.09%	-0.6%
Dec 31, 1998	63.47%	-22.2%
Dec 31, 1997	81.54%	+72.0%
Dec 31, 1996	47.42%	-42.0%
Dec 31, 1995	81.76%	+139.6%
Dec 31, 1994	34.12%	-25.7%
Dec 31, 1993	45.92%	+8.0%
Dec 31, 1992	42.50%	-53.5%
Dec 31, 1991	91.32%	+37.4%
Dec 31, 1990	66.46%	+26.8%
Dec 31, 1989	52.42%	+73.2%
Dec 31, 1988	30.26%	-4.7%
Dec 31, 1987	31.75%	-8.7%
Dec 31, 1986	34.77%	-10.0%
Dec 31, 1985	38.64%	-51.1%
Dec 31, 1984	79.03%	+36.5%
Dec 31, 1983	57.88%	+127.5%
Dec 31, 1982	25.44%	-24.5%
Dec 31, 1981	33.71%	+718.2%
Dec 31, 1980	4.12%	-

FAQ

What is the current 10-day volatility of KLAC?: As of today, KLAC 10-day volatility is 54.87%
What 10-day volatility category does KLAC fall into?: Based on its current 10-day historical volatility, KLAC falls into the high volatility category
What is KLAC 10-day volatility 1-year high?: KLAC 10-day volatility reached a 1-year high of 143.37% on July 2, 2026
What is KLAC 10-day volatility 1-year low?: KLAC 10-day volatility reached a 1-year low of 19.07% on December 11, 2025

1-Month

50.39%

September 21, 2026

Summary

Current Value: As of today, KLAC 1-month volatility is 50.39%, unchanged on September 21, 2026
Value Category: Based on its current 1-month historical volatility, KLAC falls into the high volatility category
1-Year High: KLAC 1-month volatility reached a 1-year high of 127.07% on July 2, 2026
1-Year Low: KLAC 1-month volatility reached a 1-year low of 28.49% on October 2, 2025

Performance

KLAC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 21, 26	50.39%	0.0%	-24.7%	-46.2%	+50.4%	+59.5%	+73.3%	+88.6%
10-Day Volatility	Sep 21, 26	54.87%	0.0%	+11.1%	-48.3%	+43.6%	+82.3%	+96.3%	+77.7%
3-Month Volatility	Sep 21, 26	72.38%	-1.9%	-15.8%	+7.4%	+76.4%	+110.7%	+112.1%	+113.9%
1-Year Volatility	Sep 21, 26	60.86%	+0.3%	+1.6%	+18.0%	+40.4%	+39.3%	+58.2%	+50.7%
14-Day RSI	Sep 21, 26	51.44	0.0%	+29.2%	-13.9%	+4.5%	-35.4%	+46.5%	-21.9%
Beta	Sep 21, 26	2.78	0.0%	-0.4%	+11.7%	+64.5%	+72.7%	+80.5%	+55.3%
ATR	Sep 21, 26	$8.55	0.0%	-26.6%	-45.5%	+137.4%	+209.4%	+564.1%	+769.8%
Price	Sep 23, 26	$183.75	-2.4%	-0.1%	-24.8%	+51.2%	+71.5%	+306.7%	+395.3%
200-Day SMA	Sep 21, 26	$174.61	0.0%	+3.6%	+19.5%	+85.3%	+123.2%	+309.6%	+458.0%
50-Day SMA	Sep 21, 26	$191.79	0.0%	-12.8%	-2.7%	+60.2%	+108.0%	+296.1%	+470.0%
20-Day SMA	Sep 21, 26	$177.47	0.0%	-8.1%	-20.0%	+43.9%	+87.8%	+267.6%	+405.6%

1-Month Volatility History

Date	Value	Change
Sep 23, 2026	50.39%	+51.5%
Dec 31, 2025	33.27%	+24.4%
Dec 31, 2024	26.75%	-6.8%
Dec 31, 2023	28.70%	-19.9%
Dec 31, 2022	35.83%	-11.7%
Dec 31, 2021	40.56%	+70.5%
Dec 31, 2020	23.79%	+5.3%
Dec 31, 2019	22.59%	-49.1%
Dec 31, 2018	44.36%	+45.7%
Dec 31, 2017	30.44%	+26.6%
Dec 31, 2016	24.04%	+19.7%
Dec 31, 2015	20.09%	-14.1%
Dec 31, 2014	23.39%	+48.6%
Dec 31, 2013	15.74%	-21.0%
Dec 31, 2012	19.93%	-41.5%
Dec 31, 2011	34.08%	+53.4%
Dec 31, 2010	22.22%	-24.8%
Dec 31, 2009	29.54%	-56.0%
Dec 31, 2008	67.19%	+167.3%
Dec 31, 2007	25.14%	+27.8%
Dec 31, 2006	19.67%	-29.6%
Dec 31, 2005	27.95%	-6.6%
Dec 31, 2004	29.93%	+1.4%
Dec 31, 2003	29.51%	-41.1%

Date	Value	Change
Dec 31, 2002	50.14%	-17.0%
Dec 31, 2001	60.42%	-46.2%
Dec 31, 2000	112.23%	+45.2%
Dec 31, 1999	77.30%	-10.6%
Dec 31, 1998	86.46%	+8.0%
Dec 31, 1997	80.02%	+54.2%
Dec 31, 1996	51.89%	-40.9%
Dec 31, 1995	87.73%	+121.1%
Dec 31, 1994	39.67%	-17.6%
Dec 31, 1993	48.12%	+41.4%
Dec 31, 1992	34.04%	-52.4%
Dec 31, 1991	71.58%	+17.6%
Dec 31, 1990	60.86%	+18.0%
Dec 31, 1989	51.59%	+4.6%
Dec 31, 1988	49.32%	+0.2%
Dec 31, 1987	49.23%	+38.6%
Dec 31, 1986	35.53%	+24.0%
Dec 31, 1985	28.66%	-55.1%
Dec 31, 1984	63.81%	+26.5%
Dec 31, 1983	50.43%	-6.4%
Dec 31, 1982	53.86%	+35.6%
Dec 31, 1981	39.73%	-0.4%
Dec 31, 1980	39.89%	-

FAQ

What is the current 1-month volatility of KLAC?: As of today, KLAC 1-month volatility is 50.39%
What 1-month volatility category does KLAC fall into?: Based on its current 1-month historical volatility, KLAC falls into the high volatility category
What is KLAC 1-month volatility 1-year high?: KLAC 1-month volatility reached a 1-year high of 127.07% on July 2, 2026
What is KLAC 1-month volatility 1-year low?: KLAC 1-month volatility reached a 1-year low of 28.49% on October 2, 2025

3-Month

72.38%

September 21, 2026

Summary

Current Value: As of today, KLAC 3-month volatility is 72.38%, down -1.92% on September 21, 2026
Value Category: Based on its current 3-month historical volatility, KLAC falls into the extreme volatility category
1-Year High: KLAC 3-month volatility reached a 1-year high of 86.21% on August 5, 2026
1-Year Low: KLAC 3-month volatility reached a 1-year low of 33.53% on September 29, 2025

Performance

KLAC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 21, 26	72.38%	-1.9%	-15.8%	+7.4%	+76.4%	+110.7%	+112.1%	+113.9%
10-Day Volatility	Sep 21, 26	54.87%	0.0%	+11.1%	-48.3%	+43.6%	+82.3%	+96.3%	+77.7%
1-Month Volatility	Sep 21, 26	50.39%	0.0%	-24.7%	-46.2%	+50.4%	+59.5%	+73.3%	+88.6%
1-Year Volatility	Sep 21, 26	60.86%	+0.3%	+1.6%	+18.0%	+40.4%	+39.3%	+58.2%	+50.7%
14-Day RSI	Sep 21, 26	51.44	0.0%	+29.2%	-13.9%	+4.5%	-35.4%	+46.5%	-21.9%
Beta	Sep 21, 26	2.78	0.0%	-0.4%	+11.7%	+64.5%	+72.7%	+80.5%	+55.3%
ATR	Sep 21, 26	$8.55	0.0%	-26.6%	-45.5%	+137.4%	+209.4%	+564.1%	+769.8%
Price	Sep 23, 26	$183.75	-2.4%	-0.1%	-24.8%	+51.2%	+71.5%	+306.7%	+395.3%
200-Day SMA	Sep 21, 26	$174.61	0.0%	+3.6%	+19.5%	+85.3%	+123.2%	+309.6%	+458.0%
50-Day SMA	Sep 21, 26	$191.79	0.0%	-12.8%	-2.7%	+60.2%	+108.0%	+296.1%	+470.0%
20-Day SMA	Sep 21, 26	$177.47	0.0%	-8.1%	-20.0%	+43.9%	+87.8%	+267.6%	+405.6%

3-Month Volatility History

Date	Value	Change
Sep 23, 2026	72.38%	+73.6%
Dec 31, 2025	41.69%	+1.6%
Dec 31, 2024	41.04%	+45.0%
Dec 31, 2023	28.31%	-37.1%
Dec 31, 2022	45.03%	+31.9%
Dec 31, 2021	34.14%	+1.5%
Dec 31, 2020	33.62%	+7.0%
Dec 31, 2019	31.41%	-23.3%
Dec 31, 2018	40.93%	+43.9%
Dec 31, 2017	28.45%	+39.9%
Dec 31, 2016	20.33%	-49.5%
Dec 31, 2015	40.29%	-20.9%
Dec 31, 2014	50.95%	+158.5%
Dec 31, 2013	19.71%	-22.6%
Dec 31, 2012	25.48%	-34.0%
Dec 31, 2011	38.63%	+61.8%
Dec 31, 2010	23.88%	-29.9%
Dec 31, 2009	34.05%	-58.7%
Dec 31, 2008	82.42%	+205.8%
Dec 31, 2007	26.95%	-12.6%
Dec 31, 2006	30.85%	+8.2%
Dec 31, 2005	28.52%	-6.0%
Dec 31, 2004	30.33%	-19.4%
Dec 31, 2003	37.64%	-45.7%

Date	Value	Change
Dec 31, 2002	69.30%	-12.0%
Dec 31, 2001	78.74%	-29.9%
Dec 31, 2000	112.25%	+78.4%
Dec 31, 1999	62.93%	-24.0%
Dec 31, 1998	82.84%	-9.7%
Dec 31, 1997	91.69%	+49.8%
Dec 31, 1996	61.22%	-30.4%
Dec 31, 1995	87.99%	+127.9%
Dec 31, 1994	38.61%	-52.5%
Dec 31, 1993	81.29%	+55.0%
Dec 31, 1992	52.45%	-4.1%
Dec 31, 1991	54.71%	-24.7%
Dec 31, 1990	72.65%	+16.5%
Dec 31, 1989	62.34%	+42.0%
Dec 31, 1988	43.91%	-49.6%
Dec 31, 1987	87.10%	+97.4%
Dec 31, 1986	44.13%	+18.5%
Dec 31, 1985	37.24%	-18.8%
Dec 31, 1984	45.89%	+22.4%
Dec 31, 1983	37.48%	-28.9%
Dec 31, 1982	52.72%	+17.7%
Dec 31, 1981	44.81%	-17.8%
Dec 31, 1980	54.50%	-

FAQ

What is the current 3-month volatility of KLAC?: As of today, KLAC 3-month volatility is 72.38%
What 3-month volatility category does KLAC fall into?: Based on its current 3-month historical volatility, KLAC falls into the extreme volatility category
What is KLAC 3-month volatility 1-year high?: KLAC 3-month volatility reached a 1-year high of 86.21% on August 5, 2026
What is KLAC 3-month volatility 1-year low?: KLAC 3-month volatility reached a 1-year low of 33.53% on September 29, 2025

1-Year

60.86%

September 21, 2026

Summary

Current Value: As of today, KLAC 1-year volatility is 60.86%, up +0.33% on September 21, 2026
Value Category: Based on its current 1-year historical volatility, KLAC falls into the extreme volatility category
1-Year High: KLAC 1-year volatility reached a 1-year high of 60.86% on September 23, 2026
1-Year Low: KLAC 1-year volatility reached a 1-year low of 42.18% on October 17, 2025

Performance

KLAC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 21, 26	60.86%	+0.3%	+1.6%	+18.0%	+40.4%	+39.3%	+58.2%	+50.7%
10-Day Volatility	Sep 21, 26	54.87%	0.0%	+11.1%	-48.3%	+43.6%	+82.3%	+96.3%	+77.7%
1-Month Volatility	Sep 21, 26	50.39%	0.0%	-24.7%	-46.2%	+50.4%	+59.5%	+73.3%	+88.6%
3-Month Volatility	Sep 21, 26	72.38%	-1.9%	-15.8%	+7.4%	+76.4%	+110.7%	+112.1%	+113.9%
1-Year Volatility	Sep 21, 26	60.86%	+0.3%	+1.6%	+18.0%	+40.4%	+39.3%	+58.2%	+50.7%
14-Day RSI	Sep 21, 26	51.44	0.0%	+29.2%	-13.9%	+4.5%	-35.4%	+46.5%	-21.9%
Beta	Sep 21, 26	2.78	0.0%	-0.4%	+11.7%	+64.5%	+72.7%	+80.5%	+55.3%
ATR	Sep 21, 26	$8.55	0.0%	-26.6%	-45.5%	+137.4%	+209.4%	+564.1%	+769.8%
Price	Sep 23, 26	$183.75	-2.4%	-0.1%	-24.8%	+51.2%	+71.5%	+306.7%	+395.3%
200-Day SMA	Sep 21, 26	$174.61	0.0%	+3.6%	+19.5%	+85.3%	+123.2%	+309.6%	+458.0%
50-Day SMA	Sep 21, 26	$191.79	0.0%	-12.8%	-2.7%	+60.2%	+108.0%	+296.1%	+470.0%
20-Day SMA	Sep 21, 26	$177.47	0.0%	-8.1%	-20.0%	+43.9%	+87.8%	+267.6%	+405.6%

1-Year Volatility History

Date	Value	Change
Sep 23, 2026	60.86%	+40.4%
Dec 31, 2025	43.36%	+0.7%
Dec 31, 2024	43.05%	+26.0%
Dec 31, 2023	34.17%	-30.0%
Dec 31, 2022	48.80%	+19.3%
Dec 31, 2021	40.89%	-32.1%
Dec 31, 2020	60.26%	+92.1%
Dec 31, 2019	31.37%	-13.2%
Dec 31, 2018	36.12%	+43.4%
Dec 31, 2017	25.19%	+20.0%
Dec 31, 2016	21.00%	-34.1%
Dec 31, 2015	31.85%	+6.9%
Dec 31, 2014	29.79%	+20.3%
Dec 31, 2013	24.77%	-5.0%
Dec 31, 2012	26.07%	-29.5%
Dec 31, 2011	36.96%	+6.3%
Dec 31, 2010	34.76%	-26.5%
Dec 31, 2009	47.27%	-14.6%
Dec 31, 2008	55.34%	+107.0%
Dec 31, 2007	26.74%	-18.7%
Dec 31, 2006	32.91%	+16.1%
Dec 31, 2005	28.35%	-16.7%
Dec 31, 2004	34.05%	-14.9%
Dec 31, 2003	40.02%	-36.1%

Date	Value	Change
Dec 31, 2002	62.63%	-27.1%
Dec 31, 2001	85.95%	-15.9%
Dec 31, 2000	102.22%	+48.3%
Dec 31, 1999	68.92%	-9.0%
Dec 31, 1998	75.76%	+7.2%
Dec 31, 1997	70.70%	-0.0%
Dec 31, 1996	70.72%	+23.9%
Dec 31, 1995	57.10%	+14.6%
Dec 31, 1994	49.81%	-23.5%
Dec 31, 1993	65.15%	+12.5%
Dec 31, 1992	57.91%	+6.5%
Dec 31, 1991	54.40%	-2.4%
Dec 31, 1990	55.74%	+2.1%
Dec 31, 1989	54.60%	+7.2%
Dec 31, 1988	50.94%	-16.4%
Dec 31, 1987	60.91%	+28.6%
Dec 31, 1986	47.36%	+12.9%
Dec 31, 1985	41.95%	-10.3%
Dec 31, 1984	46.75%	+10.6%
Dec 31, 1983	42.28%	-7.5%
Dec 31, 1982	45.71%	-22.3%
Dec 31, 1981	58.86%	+8.0%
Dec 31, 1980	54.50%	-

FAQ

What is the current 1-year volatility of KLAC?: As of today, KLAC 1-year volatility is 60.86%
What 1-year volatility category does KLAC fall into?: Based on its current 1-year historical volatility, KLAC falls into the extreme volatility category
What is KLAC 1-year volatility 1-year high?: KLAC 1-year volatility reached a 1-year high of 60.86% on September 23, 2026
What is KLAC 1-year volatility 1-year low?: KLAC 1-year volatility reached a 1-year low of 42.18% on October 17, 2025

Data Sources & References

KLAC Official Website www.kla.com
KLAC Profile on Yahoo Finance finance.yahoo.com/quote/KLAC
KLAC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/klac