What is the current 10-day volatility of CMS?

As of today, CMS 10-day volatility is 8.60%

What 10-day volatility category does CMS fall into?

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

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

CMS 10-day volatility reached a 1-year high of 30.81% on June 10, 2026

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

CMS 10-day volatility reached a 1-year low of 8.43% on April 8, 2026

What is the current 1-month volatility of CMS?

As of today, CMS 1-month volatility is 12.55%

What 1-month volatility category does CMS fall into?

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

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

CMS 1-month volatility reached a 1-year high of 25.08% on June 30, 2026

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

CMS 1-month volatility reached a 1-year low of 10.82% on September 15, 2025

What is the current 3-month volatility of CMS?

As of today, CMS 3-month volatility is 17.38%

What 3-month volatility category does CMS fall into?

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

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

CMS 3-month volatility reached a 1-year high of 21.56% on July 8, 2026

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

CMS 3-month volatility reached a 1-year low of 13.61% on October 31, 2025

What is the current 1-year volatility of CMS?

As of today, CMS 1-year volatility is 17.17%

What 1-year volatility category does CMS fall into?

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

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

CMS 1-year volatility reached a 1-year high of 17.47% on October 6, 2025

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

CMS 1-year volatility reached a 1-year low of 15.55% on May 29, 2026

CMS Stock Volatility History & Chart Since 1973

10-Day

8.60%

September 11, 2026

Summary

Current Value: As of today, CMS 10-day volatility is 8.60%, down -12.51% on September 11, 2026
Value Category: Based on its current 10-day historical volatility, CMS falls into the very low volatility category
1-Year High: CMS 10-day volatility reached a 1-year high of 30.81% on June 10, 2026
1-Year Low: CMS 10-day volatility reached a 1-year low of 8.43% on April 8, 2026

10-Day Volatility Chart

Performance

CMS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 11, 26	8.60%	-12.5%	-54.4%	-71.6%	-35.4%	-26.1%	-36.1%	-57.9%
1-Month Volatility	Sep 11, 26	12.55%	-2.2%	-27.3%	-46.8%	+2.9%	+8.8%	-14.0%	-22.1%
3-Month Volatility	Sep 11, 26	17.38%	-0.1%	-16.9%	-16.0%	+17.5%	+23.3%	-4.4%	+10.9%
1-Year Volatility	Sep 11, 26	17.17%	+0.2%	+0.6%	+5.0%	-0.6%	+0.2%	-23.3%	-10.0%
14-Day RSI	Sep 11, 26	31.51	-8.0%	+0.5%	-35.9%	-23.5%	-34.4%	-26.9%	-35.4%
Beta	Sep 11, 26	-0.15	0.0%	0.0%	-200.0%	-250.0%	-250.0%	-123.8%	-135.7%
ATR	Sep 11, 26	$1.13	+1.7%	-27.0%	-23.8%	+28.5%	+22.3%	+17.5%	+24.7%
Price	Sep 11, 26	$67.15	-0.8%	-3.5%	-7.8%	-4.0%	-6.3%	+19.6%	+5.6%
200-Day SMA	Sep 11, 26	$73.42	-0.1%	-0.7%	-0.2%	+1.9%	+4.1%	+21.4%	+21.1%
50-Day SMA	Sep 11, 26	$71.61	-0.2%	-2.9%	-4.3%	-1.2%	-0.6%	+22.3%	+14.2%
20-Day SMA	Sep 11, 26	$68.91	-0.2%	-5.2%	-5.0%	-2.0%	-4.2%	+22.4%	+7.3%

10-Day Volatility History

Date	Value	Change
Sep 11, 2026	8.60%	-35.4%
Dec 31, 2025	13.31%	+5.9%
Dec 31, 2024	12.57%	-8.6%
Dec 31, 2023	13.76%	-30.3%
Dec 31, 2022	19.74%	+33.8%
Dec 31, 2021	14.75%	-19.0%
Dec 31, 2020	18.21%	+89.7%
Dec 31, 2019	9.60%	-71.5%
Dec 31, 2018	33.65%	+130.6%
Dec 31, 2017	14.59%	+18.3%
Dec 31, 2016	12.33%	-19.2%
Dec 31, 2015	15.26%	-43.4%
Dec 31, 2014	26.97%	+190.9%
Dec 31, 2013	9.27%	-35.7%
Dec 31, 2012	14.42%	-26.0%
Dec 31, 2011	19.49%	+122.5%
Dec 31, 2010	8.76%	-52.2%
Dec 31, 2009	18.34%	-54.4%
Dec 31, 2008	40.23%	+175.5%
Dec 31, 2007	14.60%	+16.9%
Dec 31, 2006	12.49%	-46.4%
Dec 31, 2005	23.30%	+126.0%
Dec 31, 2004	10.31%	-42.0%
Dec 31, 2003	17.77%	-40.0%
Dec 31, 2002	29.60%	+38.8%
Dec 31, 2001	21.33%	-19.6%
Dec 31, 2000	26.53%	+18.5%

Date	Value	Change
Dec 31, 1999	22.38%	+62.2%
Dec 31, 1998	13.80%	-3.8%
Dec 31, 1997	14.34%	+18.5%
Dec 31, 1996	12.10%	-39.0%
Dec 31, 1995	19.82%	+91.5%
Dec 31, 1994	10.35%	-29.0%
Dec 31, 1993	14.57%	+3.6%
Dec 31, 1992	14.06%	-61.8%
Dec 31, 1991	36.79%	-12.4%
Dec 31, 1990	42.01%	+73.2%
Dec 31, 1989	24.26%	+30.5%
Dec 31, 1988	18.59%	-40.1%
Dec 31, 1987	31.04%	+35.7%
Dec 31, 1986	22.88%	-16.0%
Dec 31, 1985	27.24%	-34.1%
Dec 31, 1984	41.32%	-34.9%
Dec 31, 1983	63.44%	+619.3%
Dec 31, 1982	8.82%	-18.4%
Dec 31, 1981	10.81%	-72.6%
Dec 31, 1980	39.46%	+108.7%
Dec 31, 1979	18.91%	+106.2%
Dec 31, 1978	9.17%	-16.2%
Dec 31, 1977	10.94%	-1.2%
Dec 31, 1976	11.07%	-18.8%
Dec 31, 1975	13.64%	-65.7%
Dec 31, 1974	39.73%	+26.8%
Dec 31, 1973	31.33%	-

FAQ

What is the current 10-day volatility of CMS?: As of today, CMS 10-day volatility is 8.60%
What 10-day volatility category does CMS fall into?: Based on its current 10-day historical volatility, CMS falls into the very low volatility category
What is CMS 10-day volatility 1-year high?: CMS 10-day volatility reached a 1-year high of 30.81% on June 10, 2026
What is CMS 10-day volatility 1-year low?: CMS 10-day volatility reached a 1-year low of 8.43% on April 8, 2026

1-Month

12.55%

September 11, 2026

Summary

Current Value: As of today, CMS 1-month volatility is 12.55%, down -2.18% on September 11, 2026
Value Category: Based on its current 1-month historical volatility, CMS falls into the very low volatility category
1-Year High: CMS 1-month volatility reached a 1-year high of 25.08% on June 30, 2026
1-Year Low: CMS 1-month volatility reached a 1-year low of 10.82% on September 15, 2025

Performance

CMS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 11, 26	12.55%	-2.2%	-27.3%	-46.8%	+2.9%	+8.8%	-14.0%	-22.1%
10-Day Volatility	Sep 11, 26	8.60%	-12.5%	-54.4%	-71.6%	-35.4%	-26.1%	-36.1%	-57.9%
3-Month Volatility	Sep 11, 26	17.38%	-0.1%	-16.9%	-16.0%	+17.5%	+23.3%	-4.4%	+10.9%
1-Year Volatility	Sep 11, 26	17.17%	+0.2%	+0.6%	+5.0%	-0.6%	+0.2%	-23.3%	-10.0%
14-Day RSI	Sep 11, 26	31.51	-8.0%	+0.5%	-35.9%	-23.5%	-34.4%	-26.9%	-35.4%
Beta	Sep 11, 26	-0.15	0.0%	0.0%	-200.0%	-250.0%	-250.0%	-123.8%	-135.7%
ATR	Sep 11, 26	$1.13	+1.7%	-27.0%	-23.8%	+28.5%	+22.3%	+17.5%	+24.7%
Price	Sep 11, 26	$67.15	-0.8%	-3.5%	-7.8%	-4.0%	-6.3%	+19.6%	+5.6%
200-Day SMA	Sep 11, 26	$73.42	-0.1%	-0.7%	-0.2%	+1.9%	+4.1%	+21.4%	+21.1%
50-Day SMA	Sep 11, 26	$71.61	-0.2%	-2.9%	-4.3%	-1.2%	-0.6%	+22.3%	+14.2%
20-Day SMA	Sep 11, 26	$68.91	-0.2%	-5.2%	-5.0%	-2.0%	-4.2%	+22.4%	+7.3%

1-Month Volatility History

Date	Value	Change
Sep 11, 2026	12.62%	-17.2%
Dec 31, 2025	15.24%	+20.1%
Dec 31, 2024	12.69%	-39.0%
Dec 31, 2023	20.82%	+5.5%
Dec 31, 2022	19.74%	+25.5%
Dec 31, 2021	15.73%	-10.6%
Dec 31, 2020	17.60%	+67.0%
Dec 31, 2019	10.54%	-59.3%
Dec 31, 2018	25.91%	+99.9%
Dec 31, 2017	12.96%	-11.1%
Dec 31, 2016	14.58%	-25.0%
Dec 31, 2015	19.45%	-2.8%
Dec 31, 2014	20.00%	+92.3%
Dec 31, 2013	10.40%	-18.4%
Dec 31, 2012	12.74%	-31.0%
Dec 31, 2011	18.47%	+58.3%
Dec 31, 2010	11.67%	-37.6%
Dec 31, 2009	18.70%	-63.2%
Dec 31, 2008	50.82%	+246.4%
Dec 31, 2007	14.67%	+8.5%
Dec 31, 2006	13.52%	-20.8%
Dec 31, 2005	17.08%	-6.8%
Dec 31, 2004	18.32%	-7.6%
Dec 31, 2003	19.83%	-50.0%
Dec 31, 2002	39.69%	+88.9%
Dec 31, 2001	21.01%	-11.5%
Dec 31, 2000	23.75%	-2.1%

Date	Value	Change
Dec 31, 1999	24.26%	+91.8%
Dec 31, 1998	12.65%	-30.2%
Dec 31, 1997	18.12%	+10.2%
Dec 31, 1996	16.44%	+12.2%
Dec 31, 1995	14.65%	+33.9%
Dec 31, 1994	10.94%	-40.2%
Dec 31, 1993	18.30%	+61.9%
Dec 31, 1992	11.30%	-62.2%
Dec 31, 1991	29.92%	-13.0%
Dec 31, 1990	34.38%	+32.3%
Dec 31, 1989	25.98%	+40.4%
Dec 31, 1988	18.51%	-50.1%
Dec 31, 1987	37.08%	+31.3%
Dec 31, 1986	28.25%	+12.9%
Dec 31, 1985	25.02%	-44.0%
Dec 31, 1984	44.67%	-0.6%
Dec 31, 1983	44.93%	+212.7%
Dec 31, 1982	14.37%	-1.6%
Dec 31, 1981	14.60%	-51.0%
Dec 31, 1980	29.79%	+86.2%
Dec 31, 1979	16.00%	+65.3%
Dec 31, 1978	9.68%	-1.5%
Dec 31, 1977	9.83%	-21.2%
Dec 31, 1976	12.47%	-15.2%
Dec 31, 1975	14.70%	-56.9%
Dec 31, 1974	34.09%	+19.2%
Dec 31, 1973	28.61%	-

FAQ

What is the current 1-month volatility of CMS?: As of today, CMS 1-month volatility is 12.55%
What 1-month volatility category does CMS fall into?: Based on its current 1-month historical volatility, CMS falls into the very low volatility category
What is CMS 1-month volatility 1-year high?: CMS 1-month volatility reached a 1-year high of 25.08% on June 30, 2026
What is CMS 1-month volatility 1-year low?: CMS 1-month volatility reached a 1-year low of 10.82% on September 15, 2025

3-Month

17.38%

September 11, 2026

Summary

Current Value: As of today, CMS 3-month volatility is 17.38%, down -0.06% on September 11, 2026
Value Category: Based on its current 3-month historical volatility, CMS falls into the low volatility category
1-Year High: CMS 3-month volatility reached a 1-year high of 21.56% on July 8, 2026
1-Year Low: CMS 3-month volatility reached a 1-year low of 13.61% on October 31, 2025

Performance

CMS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 11, 26	17.38%	-0.1%	-16.9%	-16.0%	+17.5%	+23.3%	-4.4%	+10.9%
10-Day Volatility	Sep 11, 26	8.60%	-12.5%	-54.4%	-71.6%	-35.4%	-26.1%	-36.1%	-57.9%
1-Month Volatility	Sep 11, 26	12.55%	-2.2%	-27.3%	-46.8%	+2.9%	+8.8%	-14.0%	-22.1%
1-Year Volatility	Sep 11, 26	17.17%	+0.2%	+0.6%	+5.0%	-0.6%	+0.2%	-23.3%	-10.0%
14-Day RSI	Sep 11, 26	31.51	-8.0%	+0.5%	-35.9%	-23.5%	-34.4%	-26.9%	-35.4%
Beta	Sep 11, 26	-0.15	0.0%	0.0%	-200.0%	-250.0%	-250.0%	-123.8%	-135.7%
ATR	Sep 11, 26	$1.13	+1.7%	-27.0%	-23.8%	+28.5%	+22.3%	+17.5%	+24.7%
Price	Sep 11, 26	$67.15	-0.8%	-3.5%	-7.8%	-4.0%	-6.3%	+19.6%	+5.6%
200-Day SMA	Sep 11, 26	$73.42	-0.1%	-0.7%	-0.2%	+1.9%	+4.1%	+21.4%	+21.1%
50-Day SMA	Sep 11, 26	$71.61	-0.2%	-2.9%	-4.3%	-1.2%	-0.6%	+22.3%	+14.2%
20-Day SMA	Sep 11, 26	$68.91	-0.2%	-5.2%	-5.0%	-2.0%	-4.2%	+22.4%	+7.3%

3-Month Volatility History

Date	Value	Change
Sep 11, 2026	17.38%	+17.0%
Dec 31, 2025	14.85%	-2.5%
Dec 31, 2024	15.23%	-28.4%
Dec 31, 2023	21.28%	-20.0%
Dec 31, 2022	26.59%	+48.7%
Dec 31, 2021	17.88%	-14.1%
Dec 31, 2020	20.81%	+49.3%
Dec 31, 2019	13.94%	-33.7%
Dec 31, 2018	21.04%	+77.1%
Dec 31, 2017	11.88%	-41.7%
Dec 31, 2016	20.37%	+4.2%
Dec 31, 2015	19.54%	+7.2%
Dec 31, 2014	18.23%	+45.7%
Dec 31, 2013	12.51%	-1.6%
Dec 31, 2012	12.71%	-43.8%
Dec 31, 2011	22.61%	+55.8%
Dec 31, 2010	14.51%	-29.4%
Dec 31, 2009	20.55%	-71.4%
Dec 31, 2008	71.94%	+349.3%
Dec 31, 2007	16.01%	+5.3%
Dec 31, 2006	15.21%	-41.2%
Dec 31, 2005	25.87%	+24.0%
Dec 31, 2004	20.87%	-16.6%
Dec 31, 2003	25.03%	-61.7%
Dec 31, 2002	65.39%	+144.4%
Dec 31, 2001	26.75%	-18.2%
Dec 31, 2000	32.71%	+2.7%

Date	Value	Change
Dec 31, 1999	31.85%	+26.5%
Dec 31, 1998	25.18%	+51.5%
Dec 31, 1997	16.62%	+13.1%
Dec 31, 1996	14.70%	+12.7%
Dec 31, 1995	13.04%	-30.5%
Dec 31, 1994	18.77%	-32.1%
Dec 31, 1993	27.63%	+105.7%
Dec 31, 1992	13.43%	-54.9%
Dec 31, 1991	29.77%	+1.7%
Dec 31, 1990	29.26%	+18.5%
Dec 31, 1989	24.69%	+18.3%
Dec 31, 1988	20.87%	-76.8%
Dec 31, 1987	90.14%	+228.1%
Dec 31, 1986	27.47%	-9.7%
Dec 31, 1985	30.42%	-33.2%
Dec 31, 1984	45.53%	+27.3%
Dec 31, 1983	35.76%	+101.1%
Dec 31, 1982	17.78%	-16.5%
Dec 31, 1981	21.30%	-9.7%
Dec 31, 1980	23.58%	+13.5%
Dec 31, 1979	20.78%	+21.4%
Dec 31, 1978	17.11%	+11.5%
Dec 31, 1977	15.34%	+11.4%
Dec 31, 1976	13.77%	-14.5%
Dec 31, 1975	16.10%	-61.4%
Dec 31, 1974	41.74%	+87.0%
Dec 31, 1973	22.32%	-

FAQ

What is the current 3-month volatility of CMS?: As of today, CMS 3-month volatility is 17.38%
What 3-month volatility category does CMS fall into?: Based on its current 3-month historical volatility, CMS falls into the low volatility category
What is CMS 3-month volatility 1-year high?: CMS 3-month volatility reached a 1-year high of 21.56% on July 8, 2026
What is CMS 3-month volatility 1-year low?: CMS 3-month volatility reached a 1-year low of 13.61% on October 31, 2025

1-Year

17.17%

September 11, 2026

Summary

Current Value: As of today, CMS 1-year volatility is 17.17%, up +0.23% on September 11, 2026
Value Category: Based on its current 1-year historical volatility, CMS falls into the low volatility category
1-Year High: CMS 1-year volatility reached a 1-year high of 17.47% on October 6, 2025
1-Year Low: CMS 1-year volatility reached a 1-year low of 15.55% on May 29, 2026

Performance

CMS Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 11, 26	17.17%	+0.2%	+0.6%	+5.0%	-0.6%	+0.2%	-23.3%	-10.0%
10-Day Volatility	Sep 11, 26	8.60%	-12.5%	-54.4%	-71.6%	-35.4%	-26.1%	-36.1%	-57.9%
1-Month Volatility	Sep 11, 26	12.55%	-2.2%	-27.3%	-46.8%	+2.9%	+8.8%	-14.0%	-22.1%
3-Month Volatility	Sep 11, 26	17.38%	-0.1%	-16.9%	-16.0%	+17.5%	+23.3%	-4.4%	+10.9%
1-Year Volatility	Sep 11, 26	17.17%	+0.2%	+0.6%	+5.0%	-0.6%	+0.2%	-23.3%	-10.0%
14-Day RSI	Sep 11, 26	31.51	-8.0%	+0.5%	-35.9%	-23.5%	-34.4%	-26.9%	-35.4%
Beta	Sep 11, 26	-0.15	0.0%	0.0%	-200.0%	-250.0%	-250.0%	-123.8%	-135.7%
ATR	Sep 11, 26	$1.13	+1.7%	-27.0%	-23.8%	+28.5%	+22.3%	+17.5%	+24.7%
Price	Sep 11, 26	$67.15	-0.8%	-3.5%	-7.8%	-4.0%	-6.3%	+19.6%	+5.6%
200-Day SMA	Sep 11, 26	$73.42	-0.1%	-0.7%	-0.2%	+1.9%	+4.1%	+21.4%	+21.1%
50-Day SMA	Sep 11, 26	$71.61	-0.2%	-2.9%	-4.3%	-1.2%	-0.6%	+22.3%	+14.2%
20-Day SMA	Sep 11, 26	$68.91	-0.2%	-5.2%	-5.0%	-2.0%	-4.2%	+22.4%	+7.3%

1-Year Volatility History

Date	Value	Change
Sep 11, 2026	17.14%	-0.8%
Dec 31, 2025	17.27%	+5.8%
Dec 31, 2024	16.32%	-18.0%
Dec 31, 2023	19.91%	-14.7%
Dec 31, 2022	23.35%	+28.9%
Dec 31, 2021	18.11%	-53.3%
Dec 31, 2020	38.77%	+171.9%
Dec 31, 2019	14.26%	-17.9%
Dec 31, 2018	17.37%	+58.5%
Dec 31, 2017	10.96%	-37.6%
Dec 31, 2016	17.56%	-13.9%
Dec 31, 2015	20.40%	+29.3%
Dec 31, 2014	15.78%	+7.9%
Dec 31, 2013	14.63%	+15.3%
Dec 31, 2012	12.69%	-40.3%
Dec 31, 2011	21.24%	+11.3%
Dec 31, 2010	19.09%	-22.5%
Dec 31, 2009	24.63%	-41.7%
Dec 31, 2008	42.24%	+116.2%
Dec 31, 2007	19.54%	+16.7%
Dec 31, 2006	16.75%	-29.4%
Dec 31, 2005	23.74%	-0.4%
Dec 31, 2004	23.83%	-61.1%
Dec 31, 2003	61.20%	-5.3%
Dec 31, 2002	64.65%	+134.2%
Dec 31, 2001	27.61%	-32.0%
Dec 31, 2000	40.60%	+72.9%

Date	Value	Change
Dec 31, 1999	23.48%	+27.3%
Dec 31, 1998	18.45%	+21.0%
Dec 31, 1997	15.25%	-2.2%
Dec 31, 1996	15.60%	+15.4%
Dec 31, 1995	13.52%	-32.7%
Dec 31, 1994	20.10%	-6.4%
Dec 31, 1993	21.48%	-40.9%
Dec 31, 1992	36.35%	+23.1%
Dec 31, 1991	29.52%	+9.6%
Dec 31, 1990	26.94%	+21.7%
Dec 31, 1989	22.14%	-8.5%
Dec 31, 1988	24.20%	-54.0%
Dec 31, 1987	52.65%	+17.5%
Dec 31, 1986	44.81%	+31.9%
Dec 31, 1985	33.96%	-44.5%
Dec 31, 1984	61.24%	+163.3%
Dec 31, 1983	23.26%	+43.0%
Dec 31, 1982	16.27%	-21.7%
Dec 31, 1981	20.79%	-9.8%
Dec 31, 1980	23.05%	+34.2%
Dec 31, 1979	17.17%	+15.2%
Dec 31, 1978	14.90%	+4.5%
Dec 31, 1977	14.26%	+3.7%
Dec 31, 1976	13.75%	-56.5%
Dec 31, 1975	31.61%	-15.8%
Dec 31, 1974	37.53%	+124.3%
Dec 31, 1973	16.73%	-

FAQ

What is the current 1-year volatility of CMS?: As of today, CMS 1-year volatility is 17.17%
What 1-year volatility category does CMS fall into?: Based on its current 1-year historical volatility, CMS falls into the low volatility category
What is CMS 1-year volatility 1-year high?: CMS 1-year volatility reached a 1-year high of 17.47% on October 6, 2025
What is CMS 1-year volatility 1-year low?: CMS 1-year volatility reached a 1-year low of 15.55% on May 29, 2026

Data Sources & References

CMS Official Website www.cmsenergy.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/811156/000081115626000004/0000811156-26-000004-index.htm
CMS Profile on Yahoo Finance finance.yahoo.com/quote/CMS
CMS Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cms