What is the current 10-day volatility of CNP?

As of today, CNP 10-day volatility is 15.10%

What 10-day volatility category does CNP fall into?

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

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

CNP 10-day volatility reached a 1-year high of 25.33% on May 6, 2026

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

CNP 10-day volatility reached a 1-year low of 6.15% on November 14, 2025

What is the current 1-month volatility of CNP?

As of today, CNP 1-month volatility is 18.31%

What 1-month volatility category does CNP fall into?

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

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

CNP 1-month volatility reached a 1-year high of 22.69% on July 30, 2026

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

CNP 1-month volatility reached a 1-year low of 11.49% on November 28, 2025

What is the current 3-month volatility of CNP?

As of today, CNP 3-month volatility is 19.23%

What 3-month volatility category does CNP fall into?

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

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

CNP 3-month volatility reached a 1-year high of 20.61% on August 5, 2026

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

CNP 3-month volatility reached a 1-year low of 13.27% on January 6, 2026

What is the current 1-year volatility of CNP?

As of today, CNP 1-year volatility is 17.16%

What 1-year volatility category does CNP fall into?

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

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

CNP 1-year volatility reached a 1-year high of 18.01% on October 6, 2025

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

CNP 1-year volatility reached a 1-year low of 15.36% on April 22, 2026

CNP Stock Volatility History & Chart Since 1972

10-Day

15.10%

September 10, 2026

Summary

Current Value: As of today, CNP 10-day volatility is 15.10%, up +0.67% on September 10, 2026
Value Category: Based on its current 10-day historical volatility, CNP falls into the low volatility category
1-Year High: CNP 10-day volatility reached a 1-year high of 25.33% on May 6, 2026
1-Year Low: CNP 10-day volatility reached a 1-year low of 6.15% on November 14, 2025

10-Day Volatility Chart

Performance

CNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 10, 26	15.10%	+0.7%	-11.3%	-32.0%	+27.9%	+13.6%	-4.4%	-26.6%
1-Month Volatility	Sep 10, 26	18.31%	+2.2%	-11.8%	-8.4%	+35.4%	+44.3%	+24.1%	-5.0%
3-Month Volatility	Sep 10, 26	19.23%	+1.6%	-3.0%	+1.5%	+43.4%	+20.8%	+13.8%	+4.1%
1-Year Volatility	Sep 10, 26	17.16%	+0.3%	+2.6%	+5.5%	+3.9%	-4.3%	-20.4%	-33.7%
14-Day RSI	Sep 10, 26	38.39	-12.6%	+24.3%	-25.7%	-21.1%	-30.8%	-22.1%	-29.0%
Beta	Sep 10, 26	-0.13	+7.1%	+13.3%	-62.5%	-181.3%	-172.2%	-120.6%	-116.0%
ATR	Sep 10, 26	$0.79	+3.2%	-21.9%	-2.3%	+63.4%	+35.7%	+78.6%	+65.0%
Price	Sep 10, 26	$39.12	-1.6%	-2.6%	-8.1%	+2.0%	+2.3%	+38.2%	+49.2%
200-Day SMA	Sep 10, 26	$41.46	-0.0%	+0.1%	+2.4%	+9.6%	+16.9%	+40.7%	+76.0%
50-Day SMA	Sep 10, 26	$41.59	-0.2%	-3.1%	-2.5%	+7.0%	+10.5%	+43.0%	+61.6%
20-Day SMA	Sep 10, 26	$39.76	-0.2%	-6.3%	-5.9%	+4.3%	+5.0%	+41.7%	+52.7%

10-Day Volatility History

Date	Value	Change
Sep 11, 2026	15.10%	+27.9%
Dec 31, 2025	11.81%	-38.9%
Dec 31, 2024	19.32%	+1.0%
Dec 31, 2023	19.13%	-3.7%
Dec 31, 2022	19.86%	-5.7%
Dec 31, 2021	21.06%	-25.1%
Dec 31, 2020	28.13%	+170.2%
Dec 31, 2019	10.41%	-62.3%
Dec 31, 2018	27.63%	+98.2%
Dec 31, 2017	13.94%	+19.5%
Dec 31, 2016	11.67%	-45.0%
Dec 31, 2015	21.22%	-18.6%
Dec 31, 2014	26.06%	+88.8%
Dec 31, 2013	13.80%	+3.8%
Dec 31, 2012	13.29%	-14.8%
Dec 31, 2011	15.59%	+369.6%
Dec 31, 2010	3.32%	-68.2%
Dec 31, 2009	10.44%	-59.1%
Dec 31, 2008	25.50%	+5.0%
Dec 31, 2007	24.28%	+110.0%
Dec 31, 2006	11.56%	-47.6%
Dec 31, 2005	22.07%	+69.0%
Dec 31, 2004	13.06%	+20.7%
Dec 31, 2003	10.82%	-56.3%
Dec 31, 2002	24.76%	-29.4%
Dec 31, 2001	35.09%	+32.3%
Dec 31, 2000	26.52%	+173.7%
Dec 31, 1999	9.69%	+6.3%

Date	Value	Change
Dec 31, 1998	9.12%	-63.4%
Dec 31, 1997	24.94%	+44.7%
Dec 31, 1996	17.24%	+6.9%
Dec 31, 1995	16.12%	+47.8%
Dec 31, 1994	10.91%	+6.6%
Dec 31, 1993	10.23%	+5.0%
Dec 31, 1992	9.74%	-33.9%
Dec 31, 1991	14.73%	+9.7%
Dec 31, 1990	13.43%	+52.4%
Dec 31, 1989	8.81%	-11.9%
Dec 31, 1988	10.00%	-60.0%
Dec 31, 1987	25.01%	+135.5%
Dec 31, 1986	10.62%	-41.2%
Dec 31, 1985	18.07%	+39.6%
Dec 31, 1984	12.94%	-57.1%
Dec 31, 1983	30.17%	+99.4%
Dec 31, 1982	15.13%	-8.0%
Dec 31, 1981	16.44%	-45.3%
Dec 31, 1980	30.07%	+107.0%
Dec 31, 1979	14.53%	+18.2%
Dec 31, 1978	12.29%	-28.9%
Dec 31, 1977	17.28%	+53.9%
Dec 31, 1976	11.23%	-52.8%
Dec 31, 1975	23.77%	-22.5%
Dec 31, 1974	30.68%	+11.0%
Dec 31, 1973	27.64%	+74.2%
Dec 31, 1972	15.87%	-

FAQ

What is the current 10-day volatility of CNP?: As of today, CNP 10-day volatility is 15.10%
What 10-day volatility category does CNP fall into?: Based on its current 10-day historical volatility, CNP falls into the low volatility category
What is CNP 10-day volatility 1-year high?: CNP 10-day volatility reached a 1-year high of 25.33% on May 6, 2026
What is CNP 10-day volatility 1-year low?: CNP 10-day volatility reached a 1-year low of 6.15% on November 14, 2025

1-Month

18.31%

September 10, 2026

Summary

Current Value: As of today, CNP 1-month volatility is 18.31%, up +2.18% on September 10, 2026
Value Category: Based on its current 1-month historical volatility, CNP falls into the low volatility category
1-Year High: CNP 1-month volatility reached a 1-year high of 22.69% on July 30, 2026
1-Year Low: CNP 1-month volatility reached a 1-year low of 11.49% on November 28, 2025

Performance

CNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 10, 26	18.31%	+2.2%	-11.8%	-8.4%	+35.4%	+44.3%	+24.1%	-5.0%
10-Day Volatility	Sep 10, 26	15.10%	+0.7%	-11.3%	-32.0%	+27.9%	+13.6%	-4.4%	-26.6%
3-Month Volatility	Sep 10, 26	19.23%	+1.6%	-3.0%	+1.5%	+43.4%	+20.8%	+13.8%	+4.1%
1-Year Volatility	Sep 10, 26	17.16%	+0.3%	+2.6%	+5.5%	+3.9%	-4.3%	-20.4%	-33.7%
14-Day RSI	Sep 10, 26	38.39	-12.6%	+24.3%	-25.7%	-21.1%	-30.8%	-22.1%	-29.0%
Beta	Sep 10, 26	-0.13	+7.1%	+13.3%	-62.5%	-181.3%	-172.2%	-120.6%	-116.0%
ATR	Sep 10, 26	$0.79	+3.2%	-21.9%	-2.3%	+63.4%	+35.7%	+78.6%	+65.0%
Price	Sep 10, 26	$39.12	-1.6%	-2.6%	-8.1%	+2.0%	+2.3%	+38.2%	+49.2%
200-Day SMA	Sep 10, 26	$41.46	-0.0%	+0.1%	+2.4%	+9.6%	+16.9%	+40.7%	+76.0%
50-Day SMA	Sep 10, 26	$41.59	-0.2%	-3.1%	-2.5%	+7.0%	+10.5%	+43.0%	+61.6%
20-Day SMA	Sep 10, 26	$39.76	-0.2%	-6.3%	-5.9%	+4.3%	+5.0%	+41.7%	+52.7%

1-Month Volatility History

Date	Value	Change
Sep 11, 2026	18.31%	+23.0%
Dec 31, 2025	14.89%	-12.4%
Dec 31, 2024	16.99%	-26.3%
Dec 31, 2023	23.04%	+32.6%
Dec 31, 2022	17.38%	-17.6%
Dec 31, 2021	21.09%	-17.5%
Dec 31, 2020	25.57%	+37.5%
Dec 31, 2019	18.60%	-17.3%
Dec 31, 2018	22.48%	+62.5%
Dec 31, 2017	13.83%	+2.4%
Dec 31, 2016	13.51%	-49.3%
Dec 31, 2015	26.64%	-4.2%
Dec 31, 2014	27.81%	+114.7%
Dec 31, 2013	12.95%	+11.8%
Dec 31, 2012	11.58%	-45.4%
Dec 31, 2011	21.19%	+109.0%
Dec 31, 2010	10.14%	-31.6%
Dec 31, 2009	14.83%	-59.6%
Dec 31, 2008	36.69%	+72.5%
Dec 31, 2007	21.27%	+108.3%
Dec 31, 2006	10.21%	-49.8%
Dec 31, 2005	20.33%	+21.3%
Dec 31, 2004	16.76%	-23.0%
Dec 31, 2003	21.78%	-55.9%
Dec 31, 2002	49.40%	+36.7%
Dec 31, 2001	36.15%	+19.4%
Dec 31, 2000	30.27%	+77.7%
Dec 31, 1999	17.03%	-10.6%

Date	Value	Change
Dec 31, 1998	19.04%	-8.2%
Dec 31, 1997	20.75%	+12.6%
Dec 31, 1996	18.43%	+18.8%
Dec 31, 1995	15.52%	+27.7%
Dec 31, 1994	12.15%	+6.1%
Dec 31, 1993	11.45%	+30.4%
Dec 31, 1992	8.78%	-37.8%
Dec 31, 1991	14.12%	+14.5%
Dec 31, 1990	12.33%	+22.7%
Dec 31, 1989	10.05%	-5.5%
Dec 31, 1988	10.63%	-48.6%
Dec 31, 1987	20.69%	+51.0%
Dec 31, 1986	13.70%	-4.0%
Dec 31, 1985	14.27%	+20.6%
Dec 31, 1984	11.83%	-49.4%
Dec 31, 1983	23.40%	+18.0%
Dec 31, 1982	19.83%	+30.1%
Dec 31, 1981	15.24%	-31.9%
Dec 31, 1980	22.39%	+68.7%
Dec 31, 1979	13.27%	-3.1%
Dec 31, 1978	13.70%	-5.1%
Dec 31, 1977	14.44%	-14.7%
Dec 31, 1976	16.93%	-25.6%
Dec 31, 1975	22.77%	-47.0%
Dec 31, 1974	42.97%	-6.3%
Dec 31, 1973	45.86%	+161.2%
Dec 31, 1972	17.56%	-

FAQ

What is the current 1-month volatility of CNP?: As of today, CNP 1-month volatility is 18.31%
What 1-month volatility category does CNP fall into?: Based on its current 1-month historical volatility, CNP falls into the low volatility category
What is CNP 1-month volatility 1-year high?: CNP 1-month volatility reached a 1-year high of 22.69% on July 30, 2026
What is CNP 1-month volatility 1-year low?: CNP 1-month volatility reached a 1-year low of 11.49% on November 28, 2025

3-Month

19.23%

September 10, 2026

Summary

Current Value: As of today, CNP 3-month volatility is 19.23%, up +1.58% on September 10, 2026
Value Category: Based on its current 3-month historical volatility, CNP falls into the low volatility category
1-Year High: CNP 3-month volatility reached a 1-year high of 20.61% on August 5, 2026
1-Year Low: CNP 3-month volatility reached a 1-year low of 13.27% on January 6, 2026

Performance

CNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 10, 26	19.23%	+1.6%	-3.0%	+1.5%	+43.4%	+20.8%	+13.8%	+4.1%
10-Day Volatility	Sep 10, 26	15.10%	+0.7%	-11.3%	-32.0%	+27.9%	+13.6%	-4.4%	-26.6%
1-Month Volatility	Sep 10, 26	18.31%	+2.2%	-11.8%	-8.4%	+35.4%	+44.3%	+24.1%	-5.0%
1-Year Volatility	Sep 10, 26	17.16%	+0.3%	+2.6%	+5.5%	+3.9%	-4.3%	-20.4%	-33.7%
14-Day RSI	Sep 10, 26	38.39	-12.6%	+24.3%	-25.7%	-21.1%	-30.8%	-22.1%	-29.0%
Beta	Sep 10, 26	-0.13	+7.1%	+13.3%	-62.5%	-181.3%	-172.2%	-120.6%	-116.0%
ATR	Sep 10, 26	$0.79	+3.2%	-21.9%	-2.3%	+63.4%	+35.7%	+78.6%	+65.0%
Price	Sep 10, 26	$39.12	-1.6%	-2.6%	-8.1%	+2.0%	+2.3%	+38.2%	+49.2%
200-Day SMA	Sep 10, 26	$41.46	-0.0%	+0.1%	+2.4%	+9.6%	+16.9%	+40.7%	+76.0%
50-Day SMA	Sep 10, 26	$41.59	-0.2%	-3.1%	-2.5%	+7.0%	+10.5%	+43.0%	+61.6%
20-Day SMA	Sep 10, 26	$39.76	-0.2%	-6.3%	-5.9%	+4.3%	+5.0%	+41.7%	+52.7%

3-Month Volatility History

Date	Value	Change
Sep 11, 2026	19.23%	+40.4%
Dec 31, 2025	13.70%	-29.7%
Dec 31, 2024	19.48%	-10.7%
Dec 31, 2023	21.82%	-14.2%
Dec 31, 2022	25.44%	+34.5%
Dec 31, 2021	18.91%	-42.7%
Dec 31, 2020	32.98%	+35.4%
Dec 31, 2019	24.36%	+28.2%
Dec 31, 2018	19.00%	+45.3%
Dec 31, 2017	13.08%	-21.1%
Dec 31, 2016	16.58%	-32.0%
Dec 31, 2015	24.40%	+1.0%
Dec 31, 2014	24.15%	+32.5%
Dec 31, 2013	18.22%	+13.9%
Dec 31, 2012	16.00%	-33.0%
Dec 31, 2011	23.89%	+77.2%
Dec 31, 2010	13.48%	-19.8%
Dec 31, 2009	16.81%	-78.1%
Dec 31, 2008	76.75%	+243.2%
Dec 31, 2007	22.36%	+105.7%
Dec 31, 2006	10.87%	-52.2%
Dec 31, 2005	22.75%	+20.6%
Dec 31, 2004	18.87%	-24.0%
Dec 31, 2003	24.83%	-71.1%
Dec 31, 2002	85.82%	+174.9%
Dec 31, 2001	31.22%	-13.5%
Dec 31, 2000	36.10%	+60.4%
Dec 31, 1999	22.51%	-17.4%

Date	Value	Change
Dec 31, 1998	27.24%	+26.8%
Dec 31, 1997	21.49%	+21.4%
Dec 31, 1996	17.70%	+19.5%
Dec 31, 1995	14.81%	-12.6%
Dec 31, 1994	16.95%	-5.6%
Dec 31, 1993	17.95%	+62.1%
Dec 31, 1992	11.07%	-28.0%
Dec 31, 1991	15.38%	-6.6%
Dec 31, 1990	16.46%	-24.4%
Dec 31, 1989	21.78%	+67.8%
Dec 31, 1988	12.98%	-60.5%
Dec 31, 1987	32.82%	+101.7%
Dec 31, 1986	16.27%	+15.6%
Dec 31, 1985	14.08%	-10.0%
Dec 31, 1984	15.65%	-21.7%
Dec 31, 1983	19.98%	-15.4%
Dec 31, 1982	23.61%	+48.0%
Dec 31, 1981	15.95%	-16.5%
Dec 31, 1980	19.10%	+8.2%
Dec 31, 1979	17.65%	+3.8%
Dec 31, 1978	17.01%	-15.5%
Dec 31, 1977	20.13%	-2.5%
Dec 31, 1976	20.64%	-26.9%
Dec 31, 1975	28.22%	-31.9%
Dec 31, 1974	41.41%	+7.5%
Dec 31, 1973	38.52%	+100.0%
Dec 31, 1972	19.26%	-

FAQ

What is the current 3-month volatility of CNP?: As of today, CNP 3-month volatility is 19.23%
What 3-month volatility category does CNP fall into?: Based on its current 3-month historical volatility, CNP falls into the low volatility category
What is CNP 3-month volatility 1-year high?: CNP 3-month volatility reached a 1-year high of 20.61% on August 5, 2026
What is CNP 3-month volatility 1-year low?: CNP 3-month volatility reached a 1-year low of 13.27% on January 6, 2026

1-Year

17.16%

September 10, 2026

Summary

Current Value: As of today, CNP 1-year volatility is 17.16%, up +0.35% on September 10, 2026
Value Category: Based on its current 1-year historical volatility, CNP falls into the low volatility category
1-Year High: CNP 1-year volatility reached a 1-year high of 18.01% on October 6, 2025
1-Year Low: CNP 1-year volatility reached a 1-year low of 15.36% on April 22, 2026

Performance

CNP Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 10, 26	17.16%	+0.3%	+2.6%	+5.5%	+3.9%	-4.3%	-20.4%	-33.7%
10-Day Volatility	Sep 10, 26	15.10%	+0.7%	-11.3%	-32.0%	+27.9%	+13.6%	-4.4%	-26.6%
1-Month Volatility	Sep 10, 26	18.31%	+2.2%	-11.8%	-8.4%	+35.4%	+44.3%	+24.1%	-5.0%
3-Month Volatility	Sep 10, 26	19.23%	+1.6%	-3.0%	+1.5%	+43.4%	+20.8%	+13.8%	+4.1%
1-Year Volatility	Sep 10, 26	17.16%	+0.3%	+2.6%	+5.5%	+3.9%	-4.3%	-20.4%	-33.7%
14-Day RSI	Sep 10, 26	38.39	-12.6%	+24.3%	-25.7%	-21.1%	-30.8%	-22.1%	-29.0%
Beta	Sep 10, 26	-0.13	+7.1%	+13.3%	-62.5%	-181.3%	-172.2%	-120.6%	-116.0%
ATR	Sep 10, 26	$0.79	+3.2%	-21.9%	-2.3%	+63.4%	+35.7%	+78.6%	+65.0%
Price	Sep 10, 26	$39.12	-1.6%	-2.6%	-8.1%	+2.0%	+2.3%	+38.2%	+49.2%
200-Day SMA	Sep 10, 26	$41.46	-0.0%	+0.1%	+2.4%	+9.6%	+16.9%	+40.7%	+76.0%
50-Day SMA	Sep 10, 26	$41.59	-0.2%	-3.1%	-2.5%	+7.0%	+10.5%	+43.0%	+61.6%
20-Day SMA	Sep 10, 26	$39.76	-0.2%	-6.3%	-5.9%	+4.3%	+5.0%	+41.7%	+52.7%

1-Year Volatility History

Date	Value	Change
Sep 11, 2026	17.16%	+3.9%
Dec 31, 2025	16.52%	-17.9%
Dec 31, 2024	20.11%	+1.8%
Dec 31, 2023	19.76%	-14.3%
Dec 31, 2022	23.05%	+4.9%
Dec 31, 2021	21.97%	-62.5%
Dec 31, 2020	58.64%	+209.1%
Dec 31, 2019	18.97%	+1.4%
Dec 31, 2018	18.70%	+44.6%
Dec 31, 2017	12.93%	-38.1%
Dec 31, 2016	20.88%	-8.7%
Dec 31, 2015	22.87%	+32.0%
Dec 31, 2014	17.32%	-2.6%
Dec 31, 2013	17.78%	+12.0%
Dec 31, 2012	15.88%	-36.8%
Dec 31, 2011	25.13%	+24.5%
Dec 31, 2010	20.19%	-30.4%
Dec 31, 2009	28.99%	-34.4%
Dec 31, 2008	44.22%	+97.5%
Dec 31, 2007	22.39%	+49.3%
Dec 31, 2006	15.00%	-26.9%
Dec 31, 2005	20.51%	-11.1%
Dec 31, 2004	23.07%	-51.0%
Dec 31, 2003	47.05%	-56.5%
Dec 31, 2002	108.21%	+196.8%
Dec 31, 2001	36.46%	-0.8%
Dec 31, 2000	36.74%	+52.4%
Dec 31, 1999	24.10%	+4.9%

Date	Value	Change
Dec 31, 1998	22.97%	-4.5%
Dec 31, 1997	24.04%	+8.2%
Dec 31, 1996	22.21%	+47.2%
Dec 31, 1995	15.09%	-25.3%
Dec 31, 1994	20.20%	+55.0%
Dec 31, 1993	13.03%	+7.9%
Dec 31, 1992	12.08%	-12.9%
Dec 31, 1991	13.87%	-23.6%
Dec 31, 1990	18.16%	+10.0%
Dec 31, 1989	16.51%	-1.3%
Dec 31, 1988	16.73%	-35.6%
Dec 31, 1987	25.98%	+36.7%
Dec 31, 1986	19.00%	+26.8%
Dec 31, 1985	14.99%	-14.5%
Dec 31, 1984	17.54%	-0.7%
Dec 31, 1983	17.67%	-15.0%
Dec 31, 1982	20.79%	+1.9%
Dec 31, 1981	20.40%	-4.6%
Dec 31, 1980	21.38%	+37.3%
Dec 31, 1979	15.57%	-7.6%
Dec 31, 1978	16.85%	-18.8%
Dec 31, 1977	20.76%	-12.8%
Dec 31, 1976	23.81%	-29.5%
Dec 31, 1975	33.79%	-14.0%
Dec 31, 1974	39.31%	+39.0%
Dec 31, 1973	28.29%	+54.8%
Dec 31, 1972	18.27%	-

FAQ

What is the current 1-year volatility of CNP?: As of today, CNP 1-year volatility is 17.16%
What 1-year volatility category does CNP fall into?: Based on its current 1-year historical volatility, CNP falls into the low volatility category
What is CNP 1-year volatility 1-year high?: CNP 1-year volatility reached a 1-year high of 18.01% on October 6, 2025
What is CNP 1-year volatility 1-year low?: CNP 1-year volatility reached a 1-year low of 15.36% on April 22, 2026

Data Sources & References

CNP Official Website www.centerpointenergy.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1130310/000113031026000008/0001130310-26-000008-index.htm
CNP Profile on Yahoo Finance finance.yahoo.com/quote/CNP
CNP Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cnp