What is the current 10-day volatility of COHR?

As of today, COHR 10-day volatility is 92.72%

What 10-day volatility category does COHR fall into?

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

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

COHR 10-day volatility reached a 1-year high of 162.40% on August 10, 2026

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

COHR 10-day volatility reached a 1-year low of 30.26% on December 10, 2025

What is the current 1-month volatility of COHR?

As of today, COHR 1-month volatility is 75.32%

What 1-month volatility category does COHR fall into?

Based on its current 1-month historical volatility, COHR falls into the extreme volatility category

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

COHR 1-month volatility reached a 1-year high of 137.86% on August 18, 2026

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

COHR 1-month volatility reached a 1-year low of 41.75% on October 7, 2025

What is the current 3-month volatility of COHR?

As of today, COHR 3-month volatility is 99.76%

What 3-month volatility category does COHR fall into?

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

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

COHR 3-month volatility reached a 1-year high of 111.10% on August 28, 2026

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

COHR 3-month volatility reached a 1-year low of 58.10% on October 7, 2025

What is the current 1-year volatility of COHR?

As of today, COHR 1-year volatility is 85.90%

What 1-year volatility category does COHR fall into?

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

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

COHR 1-year volatility reached a 1-year high of 86.13% on September 18, 2026

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

COHR 1-year volatility reached a 1-year low of 67.47% on April 24, 2026

Coherent Corp. (COHR) Stock Volatility History & Chart

10-Day

92.72%

September 25, 2026

Summary

Current Value: As of today, COHR 10-day volatility is 92.72%, down -2.26% on September 25, 2026
Value Category: Based on its current 10-day historical volatility, COHR falls into the extreme volatility category
1-Year High: COHR 10-day volatility reached a 1-year high of 162.40% on August 10, 2026
1-Year Low: COHR 10-day volatility reached a 1-year low of 30.26% on December 10, 2025

10-Day Volatility Chart

Performance

COHR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 25, 26	92.72%	-2.3%	-15.2%	-6.8%	+126.4%	+86.8%	+49.4%	+878.1%
1-Month Volatility	Sep 25, 26	75.32%	-1.7%	-42.8%	-31.1%	+42.9%	+44.6%	+45.7%	+645.7%
3-Month Volatility	Sep 25, 26	99.76%	-0.3%	-9.2%	+9.1%	+38.6%	+68.0%	+28.8%	+421.8%
1-Year Volatility	Sep 25, 26	85.90%	0.0%	+1.7%	+13.7%	+14.8%	+22.1%	+30.1%	+83.5%
14-Day RSI	Sep 25, 26	49.54	+3.3%	+9.1%	-10.1%	-14.1%	-11.9%	+21.3%	-19.5%
Beta	Sep 25, 26	3.20	0.0%	-5.3%	+4.6%	+26.5%	+29.6%	+70.2%	+259.6%
ATR	Sep 25, 26	$20.17	-3.2%	-34.6%	-44.4%	+108.8%	+299.6%	+997.8%	-89.4%
Price	Sep 25, 26	$295.83	+1.8%	+2.7%	-27.4%	+60.3%	+177.6%	+819.3%	+15.6%
200-Day SMA	Sep 25, 26	$286.16	+0.2%	+5.5%	+24.4%	+171.1%	+232.6%	+627.0%	+20.6%
50-Day SMA	Sep 25, 26	$296.77	+0.1%	-8.9%	-18.7%	+86.3%	+194.0%	+641.6%	+19.1%
20-Day SMA	Sep 25, 26	$290.39	+0.0%	-5.4%	-25.3%	+57.2%	+185.9%	+764.9%	+15.0%

10-Day Volatility History

Date	Value	Change
Sep 25, 2026	92.72%	+126.4%
Dec 31, 2025	40.95%	+5.9%
Dec 31, 2024	38.66%	+12.3%
Dec 31, 2023	34.42%	-24.4%
Dec 31, 2022	45.50%	+370.0%
Dec 31, 2021	9.68%	-76.9%
Dec 31, 2020	41.99%	+159.5%
Dec 31, 2019	16.18%	-75.6%
Dec 31, 2018	66.39%	+122.2%
Dec 31, 2017	29.88%	+57.8%
Dec 31, 2016	18.93%	-29.8%
Dec 31, 2015	26.97%	+11.4%
Dec 31, 2014	24.22%	+46.2%
Dec 31, 2013	16.57%	-13.3%
Dec 31, 2012	19.11%	-51.9%
Dec 31, 2011	39.72%	+122.5%
Dec 31, 2010	17.85%	-14.3%
Dec 31, 2009	20.83%	-33.6%
Dec 31, 2008	31.38%	-28.9%
Dec 31, 2007	44.13%	+115.3%
Dec 31, 2006	20.50%	-4.3%
Dec 31, 2005	21.43%	-17.4%
Dec 31, 2004	25.94%	-26.6%
Dec 31, 2003	35.36%	+31.6%
Dec 31, 2002	26.86%	-5.0%
Dec 31, 2001	28.27%	-73.1%
Dec 31, 2000	105.17%	+76.6%

Date	Value	Change
Dec 31, 1999	59.55%	+30.7%
Dec 31, 1998	45.57%	+223.2%
Dec 31, 1997	14.10%	-65.9%
Dec 31, 1996	41.36%	-42.0%
Dec 31, 1995	71.27%	+61.6%
Dec 31, 1994	44.10%	-16.8%
Dec 31, 1993	53.01%	+59.4%
Dec 31, 1992	33.25%	-7.6%
Dec 31, 1991	35.99%	-50.3%
Dec 31, 1990	72.42%	-9.7%
Dec 31, 1989	80.22%	+316.5%
Dec 31, 1988	19.26%	-45.4%
Dec 31, 1987	35.25%	+11.5%
Dec 31, 1986	31.62%	-30.6%
Dec 31, 1985	45.55%	+62.6%
Dec 31, 1984	28.02%	-0.5%
Dec 31, 1983	28.17%	-63.8%
Dec 31, 1982	77.83%	+76.8%
Dec 31, 1981	44.01%	-21.5%
Dec 31, 1980	56.09%	+194.0%
Dec 31, 1979	19.08%	-79.8%
Dec 31, 1978	94.50%	+94.1%
Dec 31, 1977	48.68%	-36.6%
Dec 31, 1976	76.83%	+92.6%
Dec 31, 1975	39.89%	-55.8%
Dec 31, 1974	90.35%	+20.4%
Dec 31, 1973	75.02%	-

FAQ

What is the current 10-day volatility of COHR?: As of today, COHR 10-day volatility is 92.72%
What 10-day volatility category does COHR fall into?: Based on its current 10-day historical volatility, COHR falls into the extreme volatility category
What is COHR 10-day volatility 1-year high?: COHR 10-day volatility reached a 1-year high of 162.40% on August 10, 2026
What is COHR 10-day volatility 1-year low?: COHR 10-day volatility reached a 1-year low of 30.26% on December 10, 2025

1-Month

75.32%

September 25, 2026

Summary

Current Value: As of today, COHR 1-month volatility is 75.32%, down -1.67% on September 25, 2026
Value Category: Based on its current 1-month historical volatility, COHR falls into the extreme volatility category
1-Year High: COHR 1-month volatility reached a 1-year high of 137.86% on August 18, 2026
1-Year Low: COHR 1-month volatility reached a 1-year low of 41.75% on October 7, 2025

Performance

COHR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 25, 26	75.32%	-1.7%	-42.8%	-31.1%	+42.9%	+44.6%	+45.7%	+645.7%
10-Day Volatility	Sep 25, 26	92.72%	-2.3%	-15.2%	-6.8%	+126.4%	+86.8%	+49.4%	+878.1%
3-Month Volatility	Sep 25, 26	99.76%	-0.3%	-9.2%	+9.1%	+38.6%	+68.0%	+28.8%	+421.8%
1-Year Volatility	Sep 25, 26	85.90%	0.0%	+1.7%	+13.7%	+14.8%	+22.1%	+30.1%	+83.5%
14-Day RSI	Sep 25, 26	49.54	+3.3%	+9.1%	-10.1%	-14.1%	-11.9%	+21.3%	-19.5%
Beta	Sep 25, 26	3.20	0.0%	-5.3%	+4.6%	+26.5%	+29.6%	+70.2%	+259.6%
ATR	Sep 25, 26	$20.17	-3.2%	-34.6%	-44.4%	+108.8%	+299.6%	+997.8%	-89.4%
Price	Sep 25, 26	$295.83	+1.8%	+2.7%	-27.4%	+60.3%	+177.6%	+819.3%	+15.6%
200-Day SMA	Sep 25, 26	$286.16	+0.2%	+5.5%	+24.4%	+171.1%	+232.6%	+627.0%	+20.6%
50-Day SMA	Sep 25, 26	$296.77	+0.1%	-8.9%	-18.7%	+86.3%	+194.0%	+641.6%	+19.1%
20-Day SMA	Sep 25, 26	$290.39	+0.0%	-5.4%	-25.3%	+57.2%	+185.9%	+764.9%	+15.0%

1-Month Volatility History

Date	Value	Change
Sep 25, 2026	75.32%	+46.0%
Dec 31, 2025	51.58%	+1.4%
Dec 31, 2024	50.89%	+45.7%
Dec 31, 2023	34.93%	-42.1%
Dec 31, 2022	60.31%	+476.6%
Dec 31, 2021	10.46%	-76.5%
Dec 31, 2020	44.47%	+59.8%
Dec 31, 2019	27.83%	-49.2%
Dec 31, 2018	54.74%	+66.3%
Dec 31, 2017	32.92%	+18.0%
Dec 31, 2016	27.91%	+23.6%
Dec 31, 2015	22.59%	-13.6%
Dec 31, 2014	26.15%	+69.9%
Dec 31, 2013	15.39%	-28.1%
Dec 31, 2012	21.41%	-34.5%
Dec 31, 2011	32.68%	+65.9%
Dec 31, 2010	19.70%	-13.8%
Dec 31, 2009	22.86%	-62.3%
Dec 31, 2008	60.57%	+79.4%
Dec 31, 2007	33.76%	+93.5%
Dec 31, 2006	17.45%	-25.2%
Dec 31, 2005	23.33%	-36.4%
Dec 31, 2004	36.66%	+9.1%
Dec 31, 2003	33.61%	-20.4%
Dec 31, 2002	42.23%	-5.8%
Dec 31, 2001	44.84%	-58.6%
Dec 31, 2000	108.39%	+120.3%

Date	Value	Change
Dec 31, 1999	49.20%	-5.7%
Dec 31, 1998	52.16%	+77.7%
Dec 31, 1997	29.35%	-22.2%
Dec 31, 1996	37.74%	-29.1%
Dec 31, 1995	53.26%	-0.6%
Dec 31, 1994	53.59%	+1.8%
Dec 31, 1993	52.65%	+34.1%
Dec 31, 1992	39.27%	+26.8%
Dec 31, 1991	30.97%	-53.1%
Dec 31, 1990	66.05%	-7.4%
Dec 31, 1989	71.35%	+137.7%
Dec 31, 1988	30.02%	+8.7%
Dec 31, 1987	27.63%	-29.7%
Dec 31, 1986	39.30%	-15.2%
Dec 31, 1985	46.33%	-15.5%
Dec 31, 1984	54.81%	+75.6%
Dec 31, 1983	31.21%	-52.5%
Dec 31, 1982	65.74%	+58.1%
Dec 31, 1981	41.59%	-22.6%
Dec 31, 1980	53.73%	-10.3%
Dec 31, 1979	59.89%	-25.6%
Dec 31, 1978	80.45%	+59.7%
Dec 31, 1977	50.36%	-26.9%
Dec 31, 1976	68.86%	+87.6%
Dec 31, 1975	36.70%	-50.4%
Dec 31, 1974	74.03%	-20.6%
Dec 31, 1973	93.18%	-

FAQ

What is the current 1-month volatility of COHR?: As of today, COHR 1-month volatility is 75.32%
What 1-month volatility category does COHR fall into?: Based on its current 1-month historical volatility, COHR falls into the extreme volatility category
What is COHR 1-month volatility 1-year high?: COHR 1-month volatility reached a 1-year high of 137.86% on August 18, 2026
What is COHR 1-month volatility 1-year low?: COHR 1-month volatility reached a 1-year low of 41.75% on October 7, 2025

3-Month

99.76%

September 25, 2026

Summary

Current Value: As of today, COHR 3-month volatility is 99.76%, down -0.25% on September 25, 2026
Value Category: Based on its current 3-month historical volatility, COHR falls into the extreme volatility category
1-Year High: COHR 3-month volatility reached a 1-year high of 111.10% on August 28, 2026
1-Year Low: COHR 3-month volatility reached a 1-year low of 58.10% on October 7, 2025

Performance

COHR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 25, 26	99.76%	-0.3%	-9.2%	+9.1%	+38.6%	+68.0%	+28.8%	+421.8%
10-Day Volatility	Sep 25, 26	92.72%	-2.3%	-15.2%	-6.8%	+126.4%	+86.8%	+49.4%	+878.1%
1-Month Volatility	Sep 25, 26	75.32%	-1.7%	-42.8%	-31.1%	+42.9%	+44.6%	+45.7%	+645.7%
1-Year Volatility	Sep 25, 26	85.90%	0.0%	+1.7%	+13.7%	+14.8%	+22.1%	+30.1%	+83.5%
14-Day RSI	Sep 25, 26	49.54	+3.3%	+9.1%	-10.1%	-14.1%	-11.9%	+21.3%	-19.5%
Beta	Sep 25, 26	3.20	0.0%	-5.3%	+4.6%	+26.5%	+29.6%	+70.2%	+259.6%
ATR	Sep 25, 26	$20.17	-3.2%	-34.6%	-44.4%	+108.8%	+299.6%	+997.8%	-89.4%
Price	Sep 25, 26	$295.83	+1.8%	+2.7%	-27.4%	+60.3%	+177.6%	+819.3%	+15.6%
200-Day SMA	Sep 25, 26	$286.16	+0.2%	+5.5%	+24.4%	+171.1%	+232.6%	+627.0%	+20.6%
50-Day SMA	Sep 25, 26	$296.77	+0.1%	-8.9%	-18.7%	+86.3%	+194.0%	+641.6%	+19.1%
20-Day SMA	Sep 25, 26	$290.39	+0.0%	-5.4%	-25.3%	+57.2%	+185.9%	+764.9%	+15.0%

3-Month Volatility History

Date	Value	Change
Sep 25, 2026	99.76%	+38.1%
Dec 31, 2025	72.23%	+39.6%
Dec 31, 2024	51.75%	+20.6%
Dec 31, 2023	42.92%	-34.7%
Dec 31, 2022	65.71%	+517.0%
Dec 31, 2021	10.65%	-74.5%
Dec 31, 2020	41.79%	+19.6%
Dec 31, 2019	34.93%	-39.6%
Dec 31, 2018	57.80%	+52.6%
Dec 31, 2017	37.88%	+5.3%
Dec 31, 2016	35.97%	-1.9%
Dec 31, 2015	36.67%	+8.1%
Dec 31, 2014	33.92%	+71.1%
Dec 31, 2013	19.83%	-38.2%
Dec 31, 2012	32.08%	-42.8%
Dec 31, 2011	56.11%	+146.5%
Dec 31, 2010	22.76%	-27.7%
Dec 31, 2009	31.48%	-52.7%
Dec 31, 2008	66.55%	+125.7%
Dec 31, 2007	29.48%	+11.3%
Dec 31, 2006	26.48%	-20.0%
Dec 31, 2005	33.10%	-7.8%
Dec 31, 2004	35.89%	-26.2%
Dec 31, 2003	48.60%	+0.5%
Dec 31, 2002	48.37%	-9.6%
Dec 31, 2001	53.53%	-61.8%
Dec 31, 2000	140.19%	+141.7%

Date	Value	Change
Dec 31, 1999	57.99%	-11.5%
Dec 31, 1998	65.54%	+21.0%
Dec 31, 1997	54.15%	+0.0%
Dec 31, 1996	54.14%	-18.2%
Dec 31, 1995	66.16%	+54.9%
Dec 31, 1994	42.72%	-16.4%
Dec 31, 1993	51.09%	-1.5%
Dec 31, 1992	51.89%	+13.1%
Dec 31, 1991	45.88%	-21.1%
Dec 31, 1990	58.17%	+3.8%
Dec 31, 1989	56.03%	+97.4%
Dec 31, 1988	28.39%	-62.3%
Dec 31, 1987	75.24%	+114.8%
Dec 31, 1986	35.02%	-29.7%
Dec 31, 1985	49.81%	+6.5%
Dec 31, 1984	46.75%	-3.2%
Dec 31, 1983	48.29%	-27.3%
Dec 31, 1982	66.38%	+76.0%
Dec 31, 1981	37.71%	-37.8%
Dec 31, 1980	60.66%	+14.9%
Dec 31, 1979	52.80%	-31.3%
Dec 31, 1978	76.86%	+24.2%
Dec 31, 1977	61.87%	-8.7%
Dec 31, 1976	67.80%	+39.4%
Dec 31, 1975	48.63%	-51.1%
Dec 31, 1974	99.45%	+4.8%
Dec 31, 1973	94.94%	-

FAQ

What is the current 3-month volatility of COHR?: As of today, COHR 3-month volatility is 99.76%
What 3-month volatility category does COHR fall into?: Based on its current 3-month historical volatility, COHR falls into the extreme volatility category
What is COHR 3-month volatility 1-year high?: COHR 3-month volatility reached a 1-year high of 111.10% on August 28, 2026
What is COHR 3-month volatility 1-year low?: COHR 3-month volatility reached a 1-year low of 58.10% on October 7, 2025

1-Year

85.90%

September 25, 2026

Summary

Current Value: As of today, COHR 1-year volatility is 85.90%, unchanged on September 25, 2026
Value Category: Based on its current 1-year historical volatility, COHR falls into the extreme volatility category
1-Year High: COHR 1-year volatility reached a 1-year high of 86.13% on September 18, 2026
1-Year Low: COHR 1-year volatility reached a 1-year low of 67.47% on April 24, 2026

Performance

COHR Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 25, 26	85.90%	0.0%	+1.7%	+13.7%	+14.8%	+22.1%	+30.1%	+83.5%
10-Day Volatility	Sep 25, 26	92.72%	-2.3%	-15.2%	-6.8%	+126.4%	+86.8%	+49.4%	+878.1%
1-Month Volatility	Sep 25, 26	75.32%	-1.7%	-42.8%	-31.1%	+42.9%	+44.6%	+45.7%	+645.7%
3-Month Volatility	Sep 25, 26	99.76%	-0.3%	-9.2%	+9.1%	+38.6%	+68.0%	+28.8%	+421.8%
1-Year Volatility	Sep 25, 26	85.90%	0.0%	+1.7%	+13.7%	+14.8%	+22.1%	+30.1%	+83.5%
14-Day RSI	Sep 25, 26	49.54	+3.3%	+9.1%	-10.1%	-14.1%	-11.9%	+21.3%	-19.5%
Beta	Sep 25, 26	3.20	0.0%	-5.3%	+4.6%	+26.5%	+29.6%	+70.2%	+259.6%
ATR	Sep 25, 26	$20.17	-3.2%	-34.6%	-44.4%	+108.8%	+299.6%	+997.8%	-89.4%
Price	Sep 25, 26	$295.83	+1.8%	+2.7%	-27.4%	+60.3%	+177.6%	+819.3%	+15.6%
200-Day SMA	Sep 25, 26	$286.16	+0.2%	+5.5%	+24.4%	+171.1%	+232.6%	+627.0%	+20.6%
50-Day SMA	Sep 25, 26	$296.77	+0.1%	-8.9%	-18.7%	+86.3%	+194.0%	+641.6%	+19.1%
20-Day SMA	Sep 25, 26	$290.39	+0.0%	-5.4%	-25.3%	+57.2%	+185.9%	+764.9%	+15.0%

1-Year Volatility History

Date	Value	Change
Sep 25, 2026	85.90%	+14.7%
Dec 31, 2025	74.86%	+33.1%
Dec 31, 2024	56.26%	-8.2%
Dec 31, 2023	61.30%	-37.5%
Dec 31, 2022	98.12%	+133.0%
Dec 31, 2021	42.12%	-28.9%
Dec 31, 2020	59.23%	+33.6%
Dec 31, 2019	44.34%	-10.8%
Dec 31, 2018	49.69%	+8.1%
Dec 31, 2017	45.98%	+21.5%
Dec 31, 2016	37.85%	+21.4%
Dec 31, 2015	31.18%	+18.2%
Dec 31, 2014	26.37%	+4.4%
Dec 31, 2013	25.26%	-21.5%
Dec 31, 2012	32.17%	-34.8%
Dec 31, 2011	49.37%	+67.1%
Dec 31, 2010	29.55%	-25.7%
Dec 31, 2009	39.79%	-12.9%
Dec 31, 2008	45.68%	+85.0%
Dec 31, 2007	24.69%	-17.3%
Dec 31, 2006	29.87%	-3.7%
Dec 31, 2005	31.03%	-20.9%
Dec 31, 2004	39.24%	-11.7%
Dec 31, 2003	44.44%	-14.1%
Dec 31, 2002	51.71%	-28.3%
Dec 31, 2001	72.11%	-40.1%
Dec 31, 2000	120.45%	+116.6%

Date	Value	Change
Dec 31, 1999	55.60%	-6.0%
Dec 31, 1998	59.14%	+47.9%
Dec 31, 1997	39.99%	-16.5%
Dec 31, 1996	47.91%	-13.2%
Dec 31, 1995	55.21%	+27.0%
Dec 31, 1994	43.47%	-15.6%
Dec 31, 1993	51.51%	-3.0%
Dec 31, 1992	53.10%	-21.0%
Dec 31, 1991	67.24%	+27.9%
Dec 31, 1990	52.58%	+20.1%
Dec 31, 1989	43.79%	+6.4%
Dec 31, 1988	41.14%	-21.6%
Dec 31, 1987	52.46%	+37.7%
Dec 31, 1986	38.10%	-21.2%
Dec 31, 1985	48.38%	-3.8%
Dec 31, 1984	50.31%	+7.8%
Dec 31, 1983	46.67%	-26.8%
Dec 31, 1982	63.80%	+36.4%
Dec 31, 1981	46.77%	-15.8%
Dec 31, 1980	55.53%	+15.3%
Dec 31, 1979	48.18%	-21.2%
Dec 31, 1978	61.15%	+22.1%
Dec 31, 1977	50.07%	-29.9%
Dec 31, 1976	71.38%	-2.9%
Dec 31, 1975	73.51%	-6.0%
Dec 31, 1974	78.22%	-4.4%
Dec 31, 1973	81.80%	-

FAQ

What is the current 1-year volatility of COHR?: As of today, COHR 1-year volatility is 85.90%
What 1-year volatility category does COHR fall into?: Based on its current 1-year historical volatility, COHR falls into the extreme volatility category
What is COHR 1-year volatility 1-year high?: COHR 1-year volatility reached a 1-year high of 86.13% on September 18, 2026
What is COHR 1-year volatility 1-year low?: COHR 1-year volatility reached a 1-year low of 67.47% on April 24, 2026

Data Sources & References

COHR Official Website www.coherent.com
COHR Profile on Yahoo Finance finance.yahoo.com/quote/COHR
COHR Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cohr