What is the current 10-day volatility of DUK?

As of today, DUK 10-day volatility is 18.35%

What 10-day volatility category does DUK fall into?

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

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

DUK 10-day volatility reached a 1-year high of 28.52% on July 16, 2026

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

DUK 10-day volatility reached a 1-year low of 6.24% on March 4, 2026

What is the current 1-month volatility of DUK?

As of today, DUK 1-month volatility is 20.63%

What 1-month volatility category does DUK fall into?

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

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

DUK 1-month volatility reached a 1-year high of 22.97% on July 31, 2026

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

DUK 1-month volatility reached a 1-year low of 9.17% on January 21, 2026

What is the current 3-month volatility of DUK?

As of today, DUK 3-month volatility is 19.47%

What 3-month volatility category does DUK fall into?

Based on its current 3-month historical volatility, DUK falls into the low volatility category

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

DUK 3-month volatility reached a 1-year high of 19.86% on July 20, 2026

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

DUK 3-month volatility reached a 1-year low of 12.59% on November 14, 2025

What is the current 1-year volatility of DUK?

As of today, DUK 1-year volatility is 15.74%

What 1-year volatility category does DUK fall into?

Based on its current 1-year historical volatility, DUK falls into the low volatility category

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

DUK 1-year volatility reached a 1-year high of 18.03% on August 22, 2025

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

DUK 1-year volatility reached a 1-year low of 14.32% on May 29, 2026

DUK Stock Volatility History & Chart Since 1980

10-Day

18.35%

July 31, 2026

Summary

Current Value: As of today, DUK 10-day volatility is 18.35%, unchanged on July 31, 2026
Value Category: Based on its current 10-day historical volatility, DUK falls into the low volatility category
1-Year High: DUK 10-day volatility reached a 1-year high of 28.52% on July 16, 2026
1-Year Low: DUK 10-day volatility reached a 1-year low of 6.24% on March 4, 2026

10-Day Volatility Chart

Performance

DUK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jul 31, 26	18.35%	0.0%	-5.9%	-15.4%	+36.4%	+7.3%	+15.6%	+41.4%
1-Month Volatility	Jul 31, 26	20.63%	-8.4%	+3.4%	+22.7%	+48.5%	+46.8%	+7.8%	+83.4%
3-Month Volatility	Jul 31, 26	19.47%	+1.0%	+6.6%	+24.2%	+33.5%	+10.6%	+10.6%	+22.4%
1-Year Volatility	Jul 31, 26	15.74%	0.0%	+3.6%	+3.5%	-7.6%	-12.7%	-25.7%	-18.9%
14-Day RSI	Jul 31, 26	45.73	0.0%	-26.3%	-1.3%	+1.0%	-33.7%	+18.8%	-32.4%
Beta	Jul 31, 26	-0.29	0.0%	-20.8%	-16.0%	-625.0%	-3000.0%	-148.3%	-174.4%
ATR	Jul 31, 26	$2.43	0.0%	+12.5%	+10.6%	+70.8%	+34.3%	+43.4%	+54.1%
Price	Aug 4, 26	$122.74	-1.2%	-5.3%	-3.7%	+4.7%	-1.1%	+37.2%	+15.0%
200-Day SMA	Jul 31, 26	$124.68	0.0%	+0.3%	+0.7%	+3.5%	+7.8%	+29.6%	+29.9%
50-Day SMA	Jul 31, 26	$125.55	0.0%	+0.4%	-3.2%	+3.7%	+6.9%	+37.6%	+23.1%
20-Day SMA	Jul 31, 26	$126.94	0.0%	+1.3%	-1.4%	+8.9%	+6.5%	+37.0%	+22.0%

10-Day Volatility History

Date	Value	Change
Aug 4, 2026	18.35%	+36.4%
Dec 31, 2025	13.45%	-8.9%
Dec 31, 2024	14.76%	+14.0%
Dec 31, 2023	12.95%	-26.0%
Dec 31, 2022	17.49%	+55.3%
Dec 31, 2021	11.26%	-24.2%
Dec 31, 2020	14.86%	+98.7%
Dec 31, 2019	7.48%	-74.1%
Dec 31, 2018	28.89%	+145.0%
Dec 31, 2017	11.79%	+8.5%
Dec 31, 2016	10.87%	-29.0%
Dec 31, 2015	15.30%	-30.2%
Dec 31, 2014	21.91%	+70.8%
Dec 31, 2013	12.83%	-21.5%
Dec 31, 2012	16.34%	+27.0%
Dec 31, 2011	12.87%	+284.2%
Dec 31, 2010	3.35%	-66.2%
Dec 31, 2009	9.91%	-59.2%
Dec 31, 2008	24.30%	+58.4%
Dec 31, 2007	15.34%	+52.2%
Dec 31, 2006	10.08%	-26.7%
Dec 31, 2005	13.75%	+68.1%
Dec 31, 2004	8.18%	-59.8%
Dec 31, 2003	20.35%	-14.8%

Date	Value	Change
Dec 31, 2002	23.89%	-6.7%
Dec 31, 2001	25.61%	-0.5%
Dec 31, 2000	25.75%	+4.7%
Dec 31, 1999	24.59%	+75.8%
Dec 31, 1998	13.99%	-19.2%
Dec 31, 1997	17.32%	-3.6%
Dec 31, 1996	17.96%	+103.9%
Dec 31, 1995	8.81%	-19.9%
Dec 31, 1994	11.00%	-44.6%
Dec 31, 1993	19.86%	+82.4%
Dec 31, 1992	10.89%	-43.2%
Dec 31, 1991	19.17%	-21.3%
Dec 31, 1990	24.35%	+171.8%
Dec 31, 1989	8.96%	-21.7%
Dec 31, 1988	11.44%	-0.8%
Dec 31, 1987	11.53%	+40.3%
Dec 31, 1986	8.22%	-35.8%
Dec 31, 1985	12.81%	-13.2%
Dec 31, 1984	14.76%	+31.9%
Dec 31, 1983	11.19%	-23.2%
Dec 31, 1982	14.57%	-35.7%
Dec 31, 1981	22.67%	-39.4%
Dec 31, 1980	37.43%	-

FAQ

What is the current 10-day volatility of DUK?: As of today, DUK 10-day volatility is 18.35%
What 10-day volatility category does DUK fall into?: Based on its current 10-day historical volatility, DUK falls into the low volatility category
What is DUK 10-day volatility 1-year high?: DUK 10-day volatility reached a 1-year high of 28.52% on July 16, 2026
What is DUK 10-day volatility 1-year low?: DUK 10-day volatility reached a 1-year low of 6.24% on March 4, 2026

1-Month

20.63%

July 31, 2026

Summary

Current Value: As of today, DUK 1-month volatility is 20.63%, down -8.39% on July 31, 2026
Value Category: Based on its current 1-month historical volatility, DUK falls into the low volatility category
1-Year High: DUK 1-month volatility reached a 1-year high of 22.97% on July 31, 2026
1-Year Low: DUK 1-month volatility reached a 1-year low of 9.17% on January 21, 2026

Performance

DUK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jul 31, 26	20.63%	-8.4%	+3.4%	+22.7%	+48.5%	+46.8%	+7.8%	+83.4%
10-Day Volatility	Jul 31, 26	18.35%	0.0%	-5.9%	-15.4%	+36.4%	+7.3%	+15.6%	+41.4%
3-Month Volatility	Jul 31, 26	19.47%	+1.0%	+6.6%	+24.2%	+33.5%	+10.6%	+10.6%	+22.4%
1-Year Volatility	Jul 31, 26	15.74%	0.0%	+3.6%	+3.5%	-7.6%	-12.7%	-25.7%	-18.9%
14-Day RSI	Jul 31, 26	45.73	0.0%	-26.3%	-1.3%	+1.0%	-33.7%	+18.8%	-32.4%
Beta	Jul 31, 26	-0.29	0.0%	-20.8%	-16.0%	-625.0%	-3000.0%	-148.3%	-174.4%
ATR	Jul 31, 26	$2.43	0.0%	+12.5%	+10.6%	+70.8%	+34.3%	+43.4%	+54.1%
Price	Aug 4, 26	$122.74	-1.2%	-5.3%	-3.7%	+4.7%	-1.1%	+37.2%	+15.0%
200-Day SMA	Jul 31, 26	$124.68	0.0%	+0.3%	+0.7%	+3.5%	+7.8%	+29.6%	+29.9%
50-Day SMA	Jul 31, 26	$125.55	0.0%	+0.4%	-3.2%	+3.7%	+6.9%	+37.6%	+23.1%
20-Day SMA	Jul 31, 26	$126.94	0.0%	+1.3%	-1.4%	+8.9%	+6.5%	+37.0%	+22.0%

1-Month Volatility History

Date	Value	Change
Aug 4, 2026	20.63%	+30.1%
Dec 31, 2025	15.86%	+9.9%
Dec 31, 2024	14.43%	-4.8%
Dec 31, 2023	15.16%	-4.5%
Dec 31, 2022	15.88%	+15.4%
Dec 31, 2021	13.76%	-6.7%
Dec 31, 2020	14.75%	+67.0%
Dec 31, 2019	8.83%	-61.7%
Dec 31, 2018	23.03%	+117.9%
Dec 31, 2017	10.57%	-28.7%
Dec 31, 2016	14.82%	-21.2%
Dec 31, 2015	18.81%	-1.7%
Dec 31, 2014	19.14%	+69.4%
Dec 31, 2013	11.30%	-11.9%
Dec 31, 2012	12.82%	-8.7%
Dec 31, 2011	14.04%	+64.8%
Dec 31, 2010	8.52%	-39.4%
Dec 31, 2009	14.05%	-55.3%
Dec 31, 2008	31.46%	+84.2%
Dec 31, 2007	17.08%	+4.7%
Dec 31, 2006	16.32%	+7.9%
Dec 31, 2005	15.12%	-19.7%
Dec 31, 2004	18.84%	+0.5%
Dec 31, 2003	18.74%	-63.1%

Date	Value	Change
Dec 31, 2002	50.78%	+30.6%
Dec 31, 2001	38.89%	+34.6%
Dec 31, 2000	28.89%	+22.5%
Dec 31, 1999	23.59%	+49.0%
Dec 31, 1998	15.83%	-17.7%
Dec 31, 1997	19.23%	+1.9%
Dec 31, 1996	18.87%	+72.5%
Dec 31, 1995	10.94%	-42.9%
Dec 31, 1994	19.17%	+10.6%
Dec 31, 1993	17.34%	+80.1%
Dec 31, 1992	9.63%	-54.9%
Dec 31, 1991	21.35%	-6.4%
Dec 31, 1990	22.82%	+173.0%
Dec 31, 1989	8.36%	-13.1%
Dec 31, 1988	9.62%	-12.8%
Dec 31, 1987	11.03%	-24.2%
Dec 31, 1986	14.56%	-7.8%
Dec 31, 1985	15.79%	+32.2%
Dec 31, 1984	11.94%	-8.1%
Dec 31, 1983	12.99%	-4.0%
Dec 31, 1982	13.53%	-20.3%
Dec 31, 1981	16.97%	-38.9%
Dec 31, 1980	27.77%	-

FAQ

What is the current 1-month volatility of DUK?: As of today, DUK 1-month volatility is 20.63%
What 1-month volatility category does DUK fall into?: Based on its current 1-month historical volatility, DUK falls into the low volatility category
What is DUK 1-month volatility 1-year high?: DUK 1-month volatility reached a 1-year high of 22.97% on July 31, 2026
What is DUK 1-month volatility 1-year low?: DUK 1-month volatility reached a 1-year low of 9.17% on January 21, 2026

3-Month

19.47%

July 31, 2026

Summary

Current Value: As of today, DUK 3-month volatility is 19.47%, up +0.99% on July 31, 2026
Value Category: Based on its current 3-month historical volatility, DUK falls into the low volatility category
1-Year High: DUK 3-month volatility reached a 1-year high of 19.86% on July 20, 2026
1-Year Low: DUK 3-month volatility reached a 1-year low of 12.59% on November 14, 2025

Performance

DUK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jul 31, 26	19.47%	+1.0%	+6.6%	+24.2%	+33.5%	+10.6%	+10.6%	+22.4%
10-Day Volatility	Jul 31, 26	18.35%	0.0%	-5.9%	-15.4%	+36.4%	+7.3%	+15.6%	+41.4%
1-Month Volatility	Jul 31, 26	20.63%	-8.4%	+3.4%	+22.7%	+48.5%	+46.8%	+7.8%	+83.4%
1-Year Volatility	Jul 31, 26	15.74%	0.0%	+3.6%	+3.5%	-7.6%	-12.7%	-25.7%	-18.9%
14-Day RSI	Jul 31, 26	45.73	0.0%	-26.3%	-1.3%	+1.0%	-33.7%	+18.8%	-32.4%
Beta	Jul 31, 26	-0.29	0.0%	-20.8%	-16.0%	-625.0%	-3000.0%	-148.3%	-174.4%
ATR	Jul 31, 26	$2.43	0.0%	+12.5%	+10.6%	+70.8%	+34.3%	+43.4%	+54.1%
Price	Aug 4, 26	$122.74	-1.2%	-5.3%	-3.7%	+4.7%	-1.1%	+37.2%	+15.0%
200-Day SMA	Jul 31, 26	$124.68	0.0%	+0.3%	+0.7%	+3.5%	+7.8%	+29.6%	+29.9%
50-Day SMA	Jul 31, 26	$125.55	0.0%	+0.4%	-3.2%	+3.7%	+6.9%	+37.6%	+23.1%
20-Day SMA	Jul 31, 26	$126.94	0.0%	+1.3%	-1.4%	+8.9%	+6.5%	+37.0%	+22.0%

3-Month Volatility History

Date	Value	Change
Aug 4, 2026	19.47%	+33.3%
Dec 31, 2025	14.61%	-20.1%
Dec 31, 2024	18.29%	+6.0%
Dec 31, 2023	17.26%	-31.6%
Dec 31, 2022	25.24%	+60.1%
Dec 31, 2021	15.77%	-20.0%
Dec 31, 2020	19.71%	+51.2%
Dec 31, 2019	13.04%	-34.0%
Dec 31, 2018	19.77%	+84.4%
Dec 31, 2017	10.72%	-45.7%
Dec 31, 2016	19.76%	-5.9%
Dec 31, 2015	21.00%	+14.4%
Dec 31, 2014	18.36%	+48.4%
Dec 31, 2013	12.37%	-11.8%
Dec 31, 2012	14.02%	-18.0%
Dec 31, 2011	17.09%	+83.0%
Dec 31, 2010	9.34%	-30.6%
Dec 31, 2009	13.45%	-78.0%
Dec 31, 2008	61.13%	+254.2%
Dec 31, 2007	17.26%	+14.2%
Dec 31, 2006	15.12%	-23.3%
Dec 31, 2005	19.71%	+5.6%
Dec 31, 2004	18.67%	+0.2%
Dec 31, 2003	18.63%	-67.8%

Date	Value	Change
Dec 31, 2002	57.82%	+59.9%
Dec 31, 2001	36.16%	+31.9%
Dec 31, 2000	27.41%	+14.3%
Dec 31, 1999	23.98%	+7.3%
Dec 31, 1998	22.34%	+3.3%
Dec 31, 1997	21.62%	+27.3%
Dec 31, 1996	16.98%	+34.3%
Dec 31, 1995	12.64%	-22.1%
Dec 31, 1994	16.22%	-18.9%
Dec 31, 1993	20.01%	+88.1%
Dec 31, 1992	10.64%	-43.4%
Dec 31, 1991	18.81%	-25.0%
Dec 31, 1990	25.07%	+209.1%
Dec 31, 1989	8.11%	-35.5%
Dec 31, 1988	12.58%	-71.2%
Dec 31, 1987	43.73%	+187.7%
Dec 31, 1986	15.20%	+1.5%
Dec 31, 1985	14.97%	+2.3%
Dec 31, 1984	14.63%	-4.9%
Dec 31, 1983	15.38%	-32.9%
Dec 31, 1982	22.92%	+12.1%
Dec 31, 1981	20.44%	-14.5%
Dec 31, 1980	23.92%	-

FAQ

What is the current 3-month volatility of DUK?: As of today, DUK 3-month volatility is 19.47%
What 3-month volatility category does DUK fall into?: Based on its current 3-month historical volatility, DUK falls into the low volatility category
What is DUK 3-month volatility 1-year high?: DUK 3-month volatility reached a 1-year high of 19.86% on July 20, 2026
What is DUK 3-month volatility 1-year low?: DUK 3-month volatility reached a 1-year low of 12.59% on November 14, 2025

1-Year

15.74%

July 31, 2026

Summary

Current Value: As of today, DUK 1-year volatility is 15.74%, unchanged on July 31, 2026
Value Category: Based on its current 1-year historical volatility, DUK falls into the low volatility category
1-Year High: DUK 1-year volatility reached a 1-year high of 18.03% on August 22, 2025
1-Year Low: DUK 1-year volatility reached a 1-year low of 14.32% on May 29, 2026

Performance

DUK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jul 31, 26	15.74%	0.0%	+3.6%	+3.5%	-7.6%	-12.7%	-25.7%	-18.9%
10-Day Volatility	Jul 31, 26	18.35%	0.0%	-5.9%	-15.4%	+36.4%	+7.3%	+15.6%	+41.4%
1-Month Volatility	Jul 31, 26	20.63%	-8.4%	+3.4%	+22.7%	+48.5%	+46.8%	+7.8%	+83.4%
3-Month Volatility	Jul 31, 26	19.47%	+1.0%	+6.6%	+24.2%	+33.5%	+10.6%	+10.6%	+22.4%
1-Year Volatility	Jul 31, 26	15.74%	0.0%	+3.6%	+3.5%	-7.6%	-12.7%	-25.7%	-18.9%
14-Day RSI	Jul 31, 26	45.73	0.0%	-26.3%	-1.3%	+1.0%	-33.7%	+18.8%	-32.4%
Beta	Jul 31, 26	-0.29	0.0%	-20.8%	-16.0%	-625.0%	-3000.0%	-148.3%	-174.4%
ATR	Jul 31, 26	$2.43	0.0%	+12.5%	+10.6%	+70.8%	+34.3%	+43.4%	+54.1%
Price	Aug 4, 26	$122.74	-1.2%	-5.3%	-3.7%	+4.7%	-1.1%	+37.2%	+15.0%
200-Day SMA	Jul 31, 26	$124.68	0.0%	+0.3%	+0.7%	+3.5%	+7.8%	+29.6%	+29.9%
50-Day SMA	Jul 31, 26	$125.55	0.0%	+0.4%	-3.2%	+3.7%	+6.9%	+37.6%	+23.1%
20-Day SMA	Jul 31, 26	$126.94	0.0%	+1.3%	-1.4%	+8.9%	+6.5%	+37.0%	+22.0%

1-Year Volatility History

Date	Value	Change
Aug 4, 2026	15.74%	-7.6%
Dec 31, 2025	17.04%	+5.1%
Dec 31, 2024	16.21%	-10.5%
Dec 31, 2023	18.11%	-17.2%
Dec 31, 2022	21.87%	+34.2%
Dec 31, 2021	16.30%	-60.6%
Dec 31, 2020	41.35%	+226.1%
Dec 31, 2019	12.68%	-25.6%
Dec 31, 2018	17.04%	+64.3%
Dec 31, 2017	10.37%	-40.7%
Dec 31, 2016	17.50%	-10.1%
Dec 31, 2015	19.46%	+32.7%
Dec 31, 2014	14.66%	+13.5%
Dec 31, 2013	12.92%	+2.9%
Dec 31, 2012	12.55%	-22.4%
Dec 31, 2011	16.17%	+8.2%
Dec 31, 2010	14.94%	-31.6%
Dec 31, 2009	21.83%	-41.3%
Dec 31, 2008	37.18%	+78.7%
Dec 31, 2007	20.81%	+31.2%
Dec 31, 2006	15.86%	-7.3%
Dec 31, 2005	17.10%	-10.0%
Dec 31, 2004	19.00%	-44.6%
Dec 31, 2003	34.31%	-31.8%

Date	Value	Change
Dec 31, 2002	50.33%	+36.1%
Dec 31, 2001	36.99%	+20.6%
Dec 31, 2000	30.67%	+38.2%
Dec 31, 1999	22.19%	+15.8%
Dec 31, 1998	19.17%	+15.0%
Dec 31, 1997	16.67%	+1.9%
Dec 31, 1996	16.36%	+26.0%
Dec 31, 1995	12.98%	-22.7%
Dec 31, 1994	16.79%	+14.7%
Dec 31, 1993	14.64%	+12.3%
Dec 31, 1992	13.04%	-32.3%
Dec 31, 1991	19.25%	+11.0%
Dec 31, 1990	17.34%	+60.4%
Dec 31, 1989	10.81%	-30.2%
Dec 31, 1988	15.49%	-42.9%
Dec 31, 1987	27.11%	+57.5%
Dec 31, 1986	17.21%	+6.2%
Dec 31, 1985	16.20%	-7.0%
Dec 31, 1984	17.41%	+18.0%
Dec 31, 1983	14.75%	-31.7%
Dec 31, 1982	21.59%	+0.3%
Dec 31, 1981	21.52%	-10.4%
Dec 31, 1980	24.02%	-

FAQ

What is the current 1-year volatility of DUK?: As of today, DUK 1-year volatility is 15.74%
What 1-year volatility category does DUK fall into?: Based on its current 1-year historical volatility, DUK falls into the low volatility category
What is DUK 1-year volatility 1-year high?: DUK 1-year volatility reached a 1-year high of 18.03% on August 22, 2025
What is DUK 1-year volatility 1-year low?: DUK 1-year volatility reached a 1-year low of 14.32% on May 29, 2026

Data Sources & References

DUK Official Website www.duke-energy.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1326160/000132616026000007/0001326160-26-000007-index.htm
DUK Profile on Yahoo Finance finance.yahoo.com/quote/DUK
DUK Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/duk