What is the current 10-day volatility of CWT?

As of today, CWT 10-day volatility is 13.57%

What 10-day volatility category does CWT fall into?

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

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

CWT 10-day volatility reached a 1-year high of 43.50% on November 11, 2025

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

CWT 10-day volatility reached a 1-year low of 10.35% on September 29, 2025

What is the current 1-month volatility of CWT?

As of today, CWT 1-month volatility is 16.03%

What 1-month volatility category does CWT fall into?

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

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

CWT 1-month volatility reached a 1-year high of 33.22% on November 10, 2025

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

CWT 1-month volatility reached a 1-year low of 14.77% on August 15, 2025

What is the current 3-month volatility of CWT?

As of today, CWT 3-month volatility is 24.77%

What 3-month volatility category does CWT fall into?

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

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

CWT 3-month volatility reached a 1-year high of 26.94% on April 7, 2025

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

CWT 3-month volatility reached a 1-year low of 17.29% on September 25, 2025

What is the current 1-year volatility of CWT?

As of today, CWT 1-year volatility is 23.14%

What 1-year volatility category does CWT fall into?

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

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

CWT 1-year volatility reached a 1-year high of 23.76% on December 13, 2025

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

CWT 1-year volatility reached a 1-year low of 22.12% on January 24, 2025

CWT Stock Volatility History & Chart Since 1973

10-Day

13.57%

January 9, 2026

Summary

Current Value: As of today, CWT 10-day volatility is 13.57%, down -1.17% on January 9, 2026
Value Category: Based on its current 10-day historical volatility, CWT falls into the very low volatility category
1-Year High: CWT 10-day volatility reached a 1-year high of 43.50% on November 11, 2025
1-Year Low: CWT 10-day volatility reached a 1-year low of 10.35% on September 29, 2025

10-Day Volatility Chart

Performance

CWT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jan 9, 26	13.57%	-1.2%	-36.4%	-38.5%	-2.0%	-22.7%	-56.0%	-60.4%
1-Month Volatility	Jan 9, 26	16.03%	-17.0%	-28.4%	-16.1%	-22.8%	-13.2%	-37.1%	-48.2%
3-Month Volatility	Jan 9, 26	24.77%	+0.4%	-1.8%	+37.0%	-0.2%	+20.0%	-22.8%	-27.3%
1-Year Volatility	Jan 9, 26	23.14%	-0.9%	-1.9%	+3.2%	-1.5%	+4.5%	-16.9%	-55.1%
14-Day RSI	Jan 9, 26	48.47	-1.0%	+58.0%	-16.7%	+13.0%	+122.5%	+3.8%	-24.5%
Beta	Jan 9, 26	-0.02	0.0%	-300.0%	-150.0%	+33.3%	-106.5%	-103.7%	-102.2%
ATR	Jan 9, 26	$0.87	-0.4%	-28.8%	+1.9%	-4.2%	-11.0%	-42.3%	-40.2%
Price	Jan 9, 26	$43.61	-0.1%	+3.1%	-6.7%	+0.7%	+0.8%	-28.6%	-21.9%
200-Day SMA	Jan 9, 26	$46.40	-0.0%	-0.7%	+0.0%	-0.2%	-8.0%	-19.6%	-3.1%
50-Day SMA	Jan 9, 26	$44.51	-0.3%	-3.8%	-3.7%	-1.7%	-9.1%	-28.4%	-13.0%

10-Day Volatility History

Date	Value	Change
Jan 9, 2026	13.57%	-2.0%
Dec 31, 2025	13.85%	-30.7%
Dec 31, 2024	19.99%	-14.2%
Dec 31, 2023	23.29%	+10.0%
Dec 31, 2022	21.17%	+33.2%
Dec 31, 2021	15.89%	-38.4%
Dec 31, 2020	25.81%	+140.8%
Dec 31, 2019	10.72%	-72.1%
Dec 31, 2018	38.40%	+60.5%
Dec 31, 2017	23.92%	+29.4%
Dec 31, 2016	18.49%	+9.1%
Dec 31, 2015	16.94%	-38.7%
Dec 31, 2014	27.63%	+44.3%
Dec 31, 2013	19.15%	+64.0%
Dec 31, 2012	11.68%	-58.8%
Dec 31, 2011	28.37%	+33.5%
Dec 31, 2010	21.25%	+72.2%
Dec 31, 2009	12.34%	-66.8%
Dec 31, 2008	37.12%	-20.4%
Dec 31, 2007	46.64%	+120.5%
Dec 31, 2006	21.15%	-0.6%
Dec 31, 2005	21.27%	+0.1%
Dec 31, 2004	21.25%	-5.1%
Dec 31, 2003	22.39%	+4.8%
Dec 31, 2002	21.36%	-12.1%
Dec 31, 2001	24.31%	-36.0%
Dec 31, 2000	38.01%	+81.2%

Date	Value	Change
Dec 31, 1999	20.98%	-68.1%
Dec 31, 1998	65.74%	+232.5%
Dec 31, 1997	19.77%	-60.5%
Dec 31, 1996	50.02%	+101.4%
Dec 31, 1995	24.84%	+48.7%
Dec 31, 1994	16.71%	-57.4%
Dec 31, 1993	39.25%	-18.8%
Dec 31, 1992	48.34%	-5.4%
Dec 31, 1991	51.12%	+190.3%
Dec 31, 1990	17.61%	+8.8%
Dec 31, 1989	16.19%	-58.5%
Dec 31, 1988	39.03%	-13.4%
Dec 31, 1987	45.05%	+145.8%
Dec 31, 1986	18.33%	-31.1%
Dec 31, 1985	26.61%	+40.5%
Dec 31, 1984	18.94%	+146.9%
Dec 31, 1983	7.67%	>+9,900.0%
Dec 31, 1982	0.00%	-100.0%
Dec 31, 1981	9.24%	-54.0%
Dec 31, 1980	20.10%	+71.1%
Dec 31, 1979	11.75%	-4.9%
Dec 31, 1978	12.35%	+13.2%
Dec 31, 1977	10.91%	+39.3%
Dec 31, 1976	7.83%	+56.0%
Dec 31, 1975	5.02%	-80.5%
Dec 31, 1974	25.69%	+411.8%
Dec 31, 1973	5.02%	-

FAQ

What is the current 10-day volatility of CWT?
As of today, CWT 10-day volatility is 13.57%
What 10-day volatility category does CWT fall into?
Based on its current 10-day historical volatility, CWT falls into the very low volatility category
What is CWT 10-day volatility 1-year high?
CWT 10-day volatility reached a 1-year high of 43.50% on November 11, 2025
What is CWT 10-day volatility 1-year low?
CWT 10-day volatility reached a 1-year low of 10.35% on September 29, 2025

1-Month

16.03%

January 9, 2026

Summary

Current Value: As of today, CWT 1-month volatility is 16.03%, down -16.99% on January 9, 2026
Value Category: Based on its current 1-month historical volatility, CWT falls into the low volatility category
1-Year High: CWT 1-month volatility reached a 1-year high of 33.22% on November 10, 2025
1-Year Low: CWT 1-month volatility reached a 1-year low of 14.77% on August 15, 2025

Performance

CWT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jan 9, 26	16.03%	-17.0%	-28.4%	-16.1%	-22.8%	-13.2%	-37.1%	-48.2%
10-Day Volatility	Jan 9, 26	13.57%	-1.2%	-36.4%	-38.5%	-2.0%	-22.7%	-56.0%	-60.4%
3-Month Volatility	Jan 9, 26	24.77%	+0.4%	-1.8%	+37.0%	-0.2%	+20.0%	-22.8%	-27.3%
1-Year Volatility	Jan 9, 26	23.14%	-0.9%	-1.9%	+3.2%	-1.5%	+4.5%	-16.9%	-55.1%
14-Day RSI	Jan 9, 26	48.47	-1.0%	+58.0%	-16.7%	+13.0%	+122.5%	+3.8%	-24.5%
Beta	Jan 9, 26	-0.02	0.0%	-300.0%	-150.0%	+33.3%	-106.5%	-103.7%	-102.2%
ATR	Jan 9, 26	$0.87	-0.4%	-28.8%	+1.9%	-4.2%	-11.0%	-42.3%	-40.2%
Price	Jan 9, 26	$43.61	-0.1%	+3.1%	-6.7%	+0.7%	+0.8%	-28.6%	-21.9%
200-Day SMA	Jan 9, 26	$46.40	-0.0%	-0.7%	+0.0%	-0.2%	-8.0%	-19.6%	-3.1%
50-Day SMA	Jan 9, 26	$44.51	-0.3%	-3.8%	-3.7%	-1.7%	-9.1%	-28.4%	-13.0%

1-Month Volatility History

Date	Value	Change
Jan 9, 2026	16.02%	-20.9%
Dec 31, 2025	20.25%	+13.0%
Dec 31, 2024	17.92%	-22.0%
Dec 31, 2023	22.97%	+19.8%
Dec 31, 2022	19.18%	-0.6%
Dec 31, 2021	19.30%	-10.7%
Dec 31, 2020	21.62%	+12.4%
Dec 31, 2019	19.24%	-46.6%
Dec 31, 2018	36.04%	+54.5%
Dec 31, 2017	23.33%	+31.0%
Dec 31, 2016	17.81%	+7.2%
Dec 31, 2015	16.62%	-45.5%
Dec 31, 2014	30.49%	+30.9%
Dec 31, 2013	23.30%	+155.8%
Dec 31, 2012	9.11%	-63.3%
Dec 31, 2011	24.83%	+58.2%
Dec 31, 2010	15.70%	+14.1%
Dec 31, 2009	13.76%	-71.9%
Dec 31, 2008	48.96%	+29.3%
Dec 31, 2007	37.87%	+83.5%
Dec 31, 2006	20.64%	-32.7%
Dec 31, 2005	30.68%	-13.1%
Dec 31, 2004	35.32%	+49.9%
Dec 31, 2003	23.57%	+22.5%
Dec 31, 2002	19.24%	-33.0%
Dec 31, 2001	28.71%	-15.2%
Dec 31, 2000	33.85%	+55.8%

Date	Value	Change
Dec 31, 1999	21.73%	-56.1%
Dec 31, 1998	49.49%	+81.0%
Dec 31, 1997	27.35%	-23.7%
Dec 31, 1996	35.84%	+80.3%
Dec 31, 1995	19.88%	+15.6%
Dec 31, 1994	17.19%	-47.9%
Dec 31, 1993	32.99%	-11.0%
Dec 31, 1992	37.07%	-22.9%
Dec 31, 1991	48.06%	+177.3%
Dec 31, 1990	17.33%	-19.2%
Dec 31, 1989	21.45%	-46.8%
Dec 31, 1988	40.30%	+3.8%
Dec 31, 1987	38.81%	+121.9%
Dec 31, 1986	17.49%	-26.5%
Dec 31, 1985	23.81%	+14.6%
Dec 31, 1984	20.77%	+196.7%
Dec 31, 1983	7.00%	-23.8%
Dec 31, 1982	9.19%	-37.5%
Dec 31, 1981	14.71%	-49.0%
Dec 31, 1980	28.84%	+56.6%
Dec 31, 1979	18.42%	+36.8%
Dec 31, 1978	13.46%	+18.5%
Dec 31, 1977	11.36%	+55.0%
Dec 31, 1976	7.33%	-28.0%
Dec 31, 1975	10.18%	-57.3%
Dec 31, 1974	23.86%	+49.0%
Dec 31, 1973	16.01%	-

FAQ

What is the current 1-month volatility of CWT?
As of today, CWT 1-month volatility is 16.03%
What 1-month volatility category does CWT fall into?
Based on its current 1-month historical volatility, CWT falls into the low volatility category
What is CWT 1-month volatility 1-year high?
CWT 1-month volatility reached a 1-year high of 33.22% on November 10, 2025
What is CWT 1-month volatility 1-year low?
CWT 1-month volatility reached a 1-year low of 14.77% on August 15, 2025

3-Month

24.77%

January 9, 2026

Summary

Current Value: As of today, CWT 3-month volatility is 24.77%, up +0.36% on January 9, 2026
Value Category: Based on its current 3-month historical volatility, CWT falls into the low volatility category
1-Year High: CWT 3-month volatility reached a 1-year high of 26.94% on April 7, 2025
1-Year Low: CWT 3-month volatility reached a 1-year low of 17.29% on September 25, 2025

Performance

CWT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jan 9, 26	24.77%	+0.4%	-1.8%	+37.0%	-0.2%	+20.0%	-22.8%	-27.3%
10-Day Volatility	Jan 9, 26	13.57%	-1.2%	-36.4%	-38.5%	-2.0%	-22.7%	-56.0%	-60.4%
1-Month Volatility	Jan 9, 26	16.03%	-17.0%	-28.4%	-16.1%	-22.8%	-13.2%	-37.1%	-48.2%
1-Year Volatility	Jan 9, 26	23.14%	-0.9%	-1.9%	+3.2%	-1.5%	+4.5%	-16.9%	-55.1%
14-Day RSI	Jan 9, 26	48.47	-1.0%	+58.0%	-16.7%	+13.0%	+122.5%	+3.8%	-24.5%
Beta	Jan 9, 26	-0.02	0.0%	-300.0%	-150.0%	+33.3%	-106.5%	-103.7%	-102.2%
ATR	Jan 9, 26	$0.87	-0.4%	-28.8%	+1.9%	-4.2%	-11.0%	-42.3%	-40.2%
Price	Jan 9, 26	$43.61	-0.1%	+3.1%	-6.7%	+0.7%	+0.8%	-28.6%	-21.9%
200-Day SMA	Jan 9, 26	$46.40	-0.0%	-0.7%	+0.0%	-0.2%	-8.0%	-19.6%	-3.1%
50-Day SMA	Jan 9, 26	$44.51	-0.3%	-3.8%	-3.7%	-1.7%	-9.1%	-28.4%	-13.0%

3-Month Volatility History

Date	Value	Change
Jan 9, 2026	24.68%	-2.4%
Dec 31, 2025	25.29%	+26.6%
Dec 31, 2024	19.98%	-27.1%
Dec 31, 2023	27.40%	-16.9%
Dec 31, 2022	32.96%	+60.0%
Dec 31, 2021	20.60%	-35.0%
Dec 31, 2020	31.67%	+60.3%
Dec 31, 2019	19.76%	-27.5%
Dec 31, 2018	27.24%	+32.0%
Dec 31, 2017	20.64%	-36.6%
Dec 31, 2016	32.53%	+41.4%
Dec 31, 2015	23.01%	-8.9%
Dec 31, 2014	25.27%	+21.7%
Dec 31, 2013	20.77%	+23.1%
Dec 31, 2012	16.87%	-37.2%
Dec 31, 2011	26.85%	+99.8%
Dec 31, 2010	13.44%	-24.1%
Dec 31, 2009	17.71%	-72.9%
Dec 31, 2008	65.34%	+39.5%
Dec 31, 2007	46.83%	+115.4%
Dec 31, 2006	21.74%	-34.4%
Dec 31, 2005	33.12%	+17.4%
Dec 31, 2004	28.22%	+29.3%
Dec 31, 2003	21.83%	+5.1%
Dec 31, 2002	20.77%	-31.9%
Dec 31, 2001	30.48%	+10.2%
Dec 31, 2000	27.65%	-8.9%

Date	Value	Change
Dec 31, 1999	30.34%	-27.0%
Dec 31, 1998	41.58%	+71.1%
Dec 31, 1997	24.30%	+4.5%
Dec 31, 1996	23.25%	+43.7%
Dec 31, 1995	16.18%	+5.1%
Dec 31, 1994	15.39%	-71.9%
Dec 31, 1993	54.71%	+40.9%
Dec 31, 1992	38.84%	-23.0%
Dec 31, 1991	50.41%	+42.0%
Dec 31, 1990	35.49%	+43.0%
Dec 31, 1989	24.81%	-41.0%
Dec 31, 1988	42.03%	-1.7%
Dec 31, 1987	42.76%	+112.8%
Dec 31, 1986	20.09%	-16.8%
Dec 31, 1985	24.15%	+26.0%
Dec 31, 1984	19.17%	+155.3%
Dec 31, 1983	7.51%	-37.4%
Dec 31, 1982	12.00%	-33.3%
Dec 31, 1981	17.99%	-9.8%
Dec 31, 1980	19.95%	+31.0%
Dec 31, 1979	15.23%	+21.2%
Dec 31, 1978	12.57%	+19.8%
Dec 31, 1977	10.49%	-21.4%
Dec 31, 1976	13.35%	+38.6%
Dec 31, 1975	9.63%	-59.2%
Dec 31, 1974	23.58%	+90.5%
Dec 31, 1973	12.38%	-

FAQ

What is the current 3-month volatility of CWT?
As of today, CWT 3-month volatility is 24.77%
What 3-month volatility category does CWT fall into?
Based on its current 3-month historical volatility, CWT falls into the low volatility category
What is CWT 3-month volatility 1-year high?
CWT 3-month volatility reached a 1-year high of 26.94% on April 7, 2025
What is CWT 3-month volatility 1-year low?
CWT 3-month volatility reached a 1-year low of 17.29% on September 25, 2025

1-Year

23.14%

January 9, 2026

Summary

Current Value: As of today, CWT 1-year volatility is 23.14%, down -0.94% on January 9, 2026
Value Category: Based on its current 1-year historical volatility, CWT falls into the low volatility category
1-Year High: CWT 1-year volatility reached a 1-year high of 23.76% on December 13, 2025
1-Year Low: CWT 1-year volatility reached a 1-year low of 22.12% on January 24, 2025

Performance

CWT Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jan 9, 26	23.14%	-0.9%	-1.9%	+3.2%	-1.5%	+4.5%	-16.9%	-55.1%
10-Day Volatility	Jan 9, 26	13.57%	-1.2%	-36.4%	-38.5%	-2.0%	-22.7%	-56.0%	-60.4%
1-Month Volatility	Jan 9, 26	16.03%	-17.0%	-28.4%	-16.1%	-22.8%	-13.2%	-37.1%	-48.2%
3-Month Volatility	Jan 9, 26	24.77%	+0.4%	-1.8%	+37.0%	-0.2%	+20.0%	-22.8%	-27.3%
1-Year Volatility	Jan 9, 26	23.14%	-0.9%	-1.9%	+3.2%	-1.5%	+4.5%	-16.9%	-55.1%
14-Day RSI	Jan 9, 26	48.47	-1.0%	+58.0%	-16.7%	+13.0%	+122.5%	+3.8%	-24.5%
Beta	Jan 9, 26	-0.02	0.0%	-300.0%	-150.0%	+33.3%	-106.5%	-103.7%	-102.2%
ATR	Jan 9, 26	$0.87	-0.4%	-28.8%	+1.9%	-4.2%	-11.0%	-42.3%	-40.2%
Price	Jan 9, 26	$43.61	-0.1%	+3.1%	-6.7%	+0.7%	+0.8%	-28.6%	-21.9%
200-Day SMA	Jan 9, 26	$46.40	-0.0%	-0.7%	+0.0%	-0.2%	-8.0%	-19.6%	-3.1%
50-Day SMA	Jan 9, 26	$44.51	-0.3%	-3.8%	-3.7%	-1.7%	-9.1%	-28.4%	-13.0%

1-Year Volatility History

Date	Value	Change
Jan 9, 2026	23.32%	-0.7%
Dec 31, 2025	23.49%	+6.4%
Dec 31, 2024	22.08%	-9.3%
Dec 31, 2023	24.34%	-11.9%
Dec 31, 2022	27.62%	+33.2%
Dec 31, 2021	20.73%	-59.5%
Dec 31, 2020	51.16%	+162.9%
Dec 31, 2019	19.46%	-23.5%
Dec 31, 2018	25.43%	+19.1%
Dec 31, 2017	21.36%	-19.0%
Dec 31, 2016	26.37%	+4.0%
Dec 31, 2015	25.36%	+12.5%
Dec 31, 2014	22.54%	+20.9%
Dec 31, 2013	18.64%	+10.2%
Dec 31, 2012	16.91%	-31.3%
Dec 31, 2011	24.63%	+23.8%
Dec 31, 2010	19.89%	-31.2%
Dec 31, 2009	28.90%	-36.0%
Dec 31, 2008	45.13%	+5.4%
Dec 31, 2007	42.81%	+44.9%
Dec 31, 2006	29.55%	-5.8%
Dec 31, 2005	31.37%	+24.1%
Dec 31, 2004	25.28%	+12.2%
Dec 31, 2003	22.53%	-16.3%
Dec 31, 2002	26.93%	-14.6%
Dec 31, 2001	31.54%	-12.1%
Dec 31, 2000	35.87%	+15.9%

Date	Value	Change
Dec 31, 1999	30.96%	-28.5%
Dec 31, 1998	43.33%	+95.9%
Dec 31, 1997	22.12%	+30.6%
Dec 31, 1996	16.94%	+18.7%
Dec 31, 1995	14.27%	-47.4%
Dec 31, 1994	27.13%	-45.2%
Dec 31, 1993	49.53%	+27.0%
Dec 31, 1992	39.01%	-16.4%
Dec 31, 1991	46.65%	+34.8%
Dec 31, 1990	34.60%	+19.6%
Dec 31, 1989	28.92%	-18.0%
Dec 31, 1988	35.27%	+22.5%
Dec 31, 1987	28.80%	+24.9%
Dec 31, 1986	23.06%	-25.9%
Dec 31, 1985	31.12%	+61.9%
Dec 31, 1984	19.22%	+129.9%
Dec 31, 1983	8.36%	-37.2%
Dec 31, 1982	13.32%	-20.0%
Dec 31, 1981	16.66%	-6.2%
Dec 31, 1980	17.76%	+23.6%
Dec 31, 1979	14.37%	+12.1%
Dec 31, 1978	12.82%	-19.2%
Dec 31, 1977	15.87%	+14.2%
Dec 31, 1976	13.90%	+12.6%
Dec 31, 1975	12.34%	-21.2%
Dec 31, 1974	15.66%	+55.8%
Dec 31, 1973	10.05%	-

FAQ

What is the current 1-year volatility of CWT?
As of today, CWT 1-year volatility is 23.14%
What 1-year volatility category does CWT fall into?
Based on its current 1-year historical volatility, CWT falls into the low volatility category
What is CWT 1-year volatility 1-year high?
CWT 1-year volatility reached a 1-year high of 23.76% on December 13, 2025
What is CWT 1-year volatility 1-year low?
CWT 1-year volatility reached a 1-year low of 22.12% on January 24, 2025

Data Sources & References

CWT Official Website www.calwatergroup.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1035201/000103520125000039/0001035201-25-000039-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1035201/000103520125000003/0001035201-25-000003-index.htm
CWT Profile on Yahoo Finance finance.yahoo.com/quote/CWT
CWT Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/cwt