What is the current 10-day volatility of WABC?

As of today, WABC 10-day volatility is 17.50%

What 10-day volatility category does WABC fall into?

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

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

WABC 10-day volatility reached a 1-year high of 35.47% on January 16, 2026

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

WABC 10-day volatility reached a 1-year low of 8.29% on September 3, 2026

What is the current 1-month volatility of WABC?

As of today, WABC 1-month volatility is 14.35%

What 1-month volatility category does WABC fall into?

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

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

WABC 1-month volatility reached a 1-year high of 29.93% on January 23, 2026

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

WABC 1-month volatility reached a 1-year low of 10.58% on August 18, 2026

What is the current 3-month volatility of WABC?

As of today, WABC 3-month volatility is 18.20%

What 3-month volatility category does WABC fall into?

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

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

WABC 3-month volatility reached a 1-year high of 24.61% on January 23, 2026

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

WABC 3-month volatility reached a 1-year low of 14.12% on June 24, 2026

What is the current 1-year volatility of WABC?

As of today, WABC 1-year volatility is 19.40%

What 1-year volatility category does WABC fall into?

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

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

WABC 1-year volatility reached a 1-year high of 27.49% on October 24, 2025

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

WABC 1-year volatility reached a 1-year low of 19.31% on September 18, 2026

WABC Stock Volatility History & Chart Since 1980

10-Day

17.50%

September 22, 2026

Summary

Current Value: As of today, WABC 10-day volatility is 17.50%, down -8.28% on September 22, 2026
Value Category: Based on its current 10-day historical volatility, WABC falls into the low volatility category
1-Year High: WABC 10-day volatility reached a 1-year high of 35.47% on January 16, 2026
1-Year Low: WABC 10-day volatility reached a 1-year low of 8.29% on September 3, 2026

10-Day Volatility Chart

Performance

WABC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 22, 26	17.50%	-8.3%	+22.4%	+70.4%	-10.6%	-33.0%	-3.4%	-3.6%
	Sep 22, 26	14.35%	-0.5%	+24.9%	-3.0%	-33.4%	-27.6%	-23.1%	-20.4%
	Sep 22, 26	18.20%	+0.1%	-1.7%	+24.7%	-20.1%	-22.1%	-17.4%	-14.2%
	Sep 22, 26	19.40%	+0.1%	-2.1%	-6.5%	-18.4%	-28.9%	-32.7%	-27.1%
	Sep 22, 26	48.19	-6.8%	+13.0%	-28.7%	+11.0%	+1.1%	+35.3%	+15.8%
	Sep 22, 26	0.29	0.0%	-19.4%	-45.3%	-53.2%	-60.8%	-65.5%	-62.3%
	Sep 22, 26	$1.26	+3.1%	+1.5%	+3.7%	+17.1%	+18.2%	+35.4%	+16.4%
Price	Sep 22, 26	$59.04	-0.7%	+1.0%	+1.6%	+23.4%	+20.9%	+39.4%	+8.5%
	Sep 22, 26	$54.50	+0.1%	+2.2%	+7.1%	+12.1%	+9.1%	+15.2%	-8.3%
	Sep 22, 26	$59.48	+0.0%	+0.3%	+7.7%	+23.4%	+20.8%	+30.4%	+6.0%
	Sep 22, 26	$59.01	+0.1%	-0.9%	+4.3%	+20.7%	+19.4%	+35.4%	+6.3%

10-Day Volatility History

Date	Value	Change
Sep 22, 2026	17.50%	-10.6%
Dec 31, 2025	19.57%	-37.1%
Dec 31, 2024	31.13%	+95.4%
Dec 31, 2023	15.93%	-1.7%
Dec 31, 2022	16.20%	-16.5%
Dec 31, 2021	19.40%	+4.0%
Dec 31, 2020	18.65%	+111.0%
Dec 31, 2019	8.84%	-72.7%
Dec 31, 2018	32.42%	+28.5%
Dec 31, 2017	25.23%	+87.3%
Dec 31, 2016	13.47%	-41.1%
Dec 31, 2015	22.85%	+4.0%
Dec 31, 2014	21.97%	+15.3%
Dec 31, 2013	19.06%	+51.8%
Dec 31, 2012	12.56%	-61.0%
Dec 31, 2011	32.18%	+63.0%
Dec 31, 2010	19.74%	+50.7%
Dec 31, 2009	13.10%	-47.6%
Dec 31, 2008	25.00%	-31.2%
Dec 31, 2007	36.32%	+221.4%
Dec 31, 2006	11.30%	+13.2%
Dec 31, 2005	9.98%	-36.1%
Dec 31, 2004	15.61%	+50.0%
Dec 31, 2003	10.41%	-20.7%

Date	Value	Change
Dec 31, 2002	13.12%	+18.6%
Dec 31, 2001	11.06%	-57.0%
Dec 31, 2000	25.72%	+0.5%
Dec 31, 1999	25.58%	+9.8%
Dec 31, 1998	23.30%	+70.7%
Dec 31, 1997	13.65%	+112.0%
Dec 31, 1996	6.44%	-66.5%
Dec 31, 1995	19.24%	+10.4%
Dec 31, 1994	17.42%	-23.1%
Dec 31, 1993	22.65%	+55.3%
Dec 31, 1992	14.58%	-25.5%
Dec 31, 1991	19.58%	+6.3%
Dec 31, 1990	18.42%	+72.8%
Dec 31, 1989	10.66%	-51.9%
Dec 31, 1988	22.17%	-39.1%
Dec 31, 1987	36.40%	+16.5%
Dec 31, 1986	31.24%	-13.0%
Dec 31, 1985	35.89%	+349.7%
Dec 31, 1984	7.98%	-3.0%
Dec 31, 1983	8.23%	-46.7%
Dec 31, 1982	15.44%	+56.9%
Dec 31, 1981	9.84%	-77.3%
Dec 31, 1980	43.26%	-

FAQ

What is the current 10-day volatility of WABC?: As of today, WABC 10-day volatility is 17.50%
What 10-day volatility category does WABC fall into?: Based on its current 10-day historical volatility, WABC falls into the low volatility category
What is WABC 10-day volatility 1-year high?: WABC 10-day volatility reached a 1-year high of 35.47% on January 16, 2026
What is WABC 10-day volatility 1-year low?: WABC 10-day volatility reached a 1-year low of 8.29% on September 3, 2026

1-Month

14.35%

September 22, 2026

Summary

Current Value: As of today, WABC 1-month volatility is 14.35%, down -0.49% on September 22, 2026
Value Category: Based on its current 1-month historical volatility, WABC falls into the very low volatility category
1-Year High: WABC 1-month volatility reached a 1-year high of 29.93% on January 23, 2026
1-Year Low: WABC 1-month volatility reached a 1-year low of 10.58% on August 18, 2026

Performance

WABC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 22, 26	14.35%	-0.5%	+24.9%	-3.0%	-33.4%	-27.6%	-23.1%	-20.4%
	Sep 22, 26	17.50%	-8.3%	+22.4%	+70.4%	-10.6%	-33.0%	-3.4%	-3.6%
	Sep 22, 26	18.20%	+0.1%	-1.7%	+24.7%	-20.1%	-22.1%	-17.4%	-14.2%
	Sep 22, 26	19.40%	+0.1%	-2.1%	-6.5%	-18.4%	-28.9%	-32.7%	-27.1%
	Sep 22, 26	48.19	-6.8%	+13.0%	-28.7%	+11.0%	+1.1%	+35.3%	+15.8%
	Sep 22, 26	0.29	0.0%	-19.4%	-45.3%	-53.2%	-60.8%	-65.5%	-62.3%
	Sep 22, 26	$1.26	+3.1%	+1.5%	+3.7%	+17.1%	+18.2%	+35.4%	+16.4%
Price	Sep 22, 26	$59.04	-0.7%	+1.0%	+1.6%	+23.4%	+20.9%	+39.4%	+8.5%
	Sep 22, 26	$54.50	+0.1%	+2.2%	+7.1%	+12.1%	+9.1%	+15.2%	-8.3%
	Sep 22, 26	$59.48	+0.0%	+0.3%	+7.7%	+23.4%	+20.8%	+30.4%	+6.0%
	Sep 22, 26	$59.01	+0.1%	-0.9%	+4.3%	+20.7%	+19.4%	+35.4%	+6.3%

1-Month Volatility History

Date	Value	Change
Sep 22, 2026	14.35%	-33.1%
Dec 31, 2025	21.45%	-7.5%
Dec 31, 2024	23.19%	-6.6%
Dec 31, 2023	24.83%	+42.0%
Dec 31, 2022	17.48%	-31.5%
Dec 31, 2021	25.50%	+45.5%
Dec 31, 2020	17.53%	+58.6%
Dec 31, 2019	11.05%	-67.6%
Dec 31, 2018	34.10%	+53.7%
Dec 31, 2017	22.18%	+8.8%
Dec 31, 2016	20.38%	-26.5%
Dec 31, 2015	27.74%	+5.0%
Dec 31, 2014	26.42%	+46.6%
Dec 31, 2013	18.02%	+57.2%
Dec 31, 2012	11.46%	-67.5%
Dec 31, 2011	35.22%	+44.3%
Dec 31, 2010	24.40%	+63.5%
Dec 31, 2009	14.92%	-80.1%
Dec 31, 2008	74.82%	+80.1%
Dec 31, 2007	41.54%	+234.5%
Dec 31, 2006	12.42%	+8.2%
Dec 31, 2005	11.48%	-35.0%
Dec 31, 2004	17.67%	+8.2%
Dec 31, 2003	16.33%	+6.3%

Date	Value	Change
Dec 31, 2002	15.36%	-16.9%
Dec 31, 2001	18.49%	-46.2%
Dec 31, 2000	34.34%	+15.5%
Dec 31, 1999	29.73%	+13.2%
Dec 31, 1998	26.26%	+38.1%
Dec 31, 1997	19.02%	+29.7%
Dec 31, 1996	14.66%	-23.0%
Dec 31, 1995	19.04%	+38.5%
Dec 31, 1994	13.75%	-25.1%
Dec 31, 1993	18.37%	-3.7%
Dec 31, 1992	19.07%	-3.6%
Dec 31, 1991	19.78%	-5.0%
Dec 31, 1990	20.82%	+60.0%
Dec 31, 1989	13.01%	-34.2%
Dec 31, 1988	19.77%	-45.5%
Dec 31, 1987	36.27%	+18.0%
Dec 31, 1986	30.74%	-21.3%
Dec 31, 1985	39.08%	+592.9%
Dec 31, 1984	5.64%	-0.7%
Dec 31, 1983	5.68%	-70.4%
Dec 31, 1982	19.21%	+189.7%
Dec 31, 1981	6.63%	-84.7%
Dec 31, 1980	43.23%	-

FAQ

What is the current 1-month volatility of WABC?: As of today, WABC 1-month volatility is 14.35%
What 1-month volatility category does WABC fall into?: Based on its current 1-month historical volatility, WABC falls into the very low volatility category
What is WABC 1-month volatility 1-year high?: WABC 1-month volatility reached a 1-year high of 29.93% on January 23, 2026
What is WABC 1-month volatility 1-year low?: WABC 1-month volatility reached a 1-year low of 10.58% on August 18, 2026

3-Month

18.20%

September 22, 2026

Summary

Current Value: As of today, WABC 3-month volatility is 18.20%, up +0.11% on September 22, 2026
Value Category: Based on its current 3-month historical volatility, WABC falls into the low volatility category
1-Year High: WABC 3-month volatility reached a 1-year high of 24.61% on January 23, 2026
1-Year Low: WABC 3-month volatility reached a 1-year low of 14.12% on June 24, 2026

Performance

WABC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 22, 26	18.20%	+0.1%	-1.7%	+24.7%	-20.1%	-22.1%	-17.4%	-14.2%
	Sep 22, 26	17.50%	-8.3%	+22.4%	+70.4%	-10.6%	-33.0%	-3.4%	-3.6%
	Sep 22, 26	14.35%	-0.5%	+24.9%	-3.0%	-33.4%	-27.6%	-23.1%	-20.4%
	Sep 22, 26	19.40%	+0.1%	-2.1%	-6.5%	-18.4%	-28.9%	-32.7%	-27.1%
	Sep 22, 26	48.19	-6.8%	+13.0%	-28.7%	+11.0%	+1.1%	+35.3%	+15.8%
	Sep 22, 26	0.29	0.0%	-19.4%	-45.3%	-53.2%	-60.8%	-65.5%	-62.3%
	Sep 22, 26	$1.26	+3.1%	+1.5%	+3.7%	+17.1%	+18.2%	+35.4%	+16.4%
Price	Sep 22, 26	$59.04	-0.7%	+1.0%	+1.6%	+23.4%	+20.9%	+39.4%	+8.5%
	Sep 22, 26	$54.50	+0.1%	+2.2%	+7.1%	+12.1%	+9.1%	+15.2%	-8.3%
	Sep 22, 26	$59.48	+0.0%	+0.3%	+7.7%	+23.4%	+20.8%	+30.4%	+6.0%
	Sep 22, 26	$59.01	+0.1%	-0.9%	+4.3%	+20.7%	+19.4%	+35.4%	+6.3%

3-Month Volatility History

Date	Value	Change
Sep 22, 2026	18.20%	-19.4%
Dec 31, 2025	22.58%	-34.7%
Dec 31, 2024	34.58%	+27.6%
Dec 31, 2023	27.11%	-0.5%
Dec 31, 2022	27.24%	+8.6%
Dec 31, 2021	25.08%	-23.3%
Dec 31, 2020	32.72%	+157.8%
Dec 31, 2019	12.69%	-56.0%
Dec 31, 2018	28.81%	+21.7%
Dec 31, 2017	23.68%	-3.7%
Dec 31, 2016	24.59%	-11.9%
Dec 31, 2015	27.92%	+25.4%
Dec 31, 2014	22.27%	+10.3%
Dec 31, 2013	20.19%	+18.1%
Dec 31, 2012	17.10%	-66.4%
Dec 31, 2011	50.84%	+136.7%
Dec 31, 2010	21.48%	+0.1%
Dec 31, 2009	21.46%	-74.5%
Dec 31, 2008	84.13%	+94.6%
Dec 31, 2007	43.23%	+217.4%
Dec 31, 2006	13.62%	-21.5%
Dec 31, 2005	17.35%	-14.1%
Dec 31, 2004	20.20%	+12.0%
Dec 31, 2003	18.04%	-46.5%

Date	Value	Change
Dec 31, 2002	33.69%	+16.3%
Dec 31, 2001	28.98%	-5.7%
Dec 31, 2000	30.73%	+4.5%
Dec 31, 1999	29.40%	-22.0%
Dec 31, 1998	37.70%	+117.3%
Dec 31, 1997	17.35%	+22.7%
Dec 31, 1996	14.14%	-28.4%
Dec 31, 1995	19.76%	+3.8%
Dec 31, 1994	19.03%	+6.6%
Dec 31, 1993	17.85%	-13.0%
Dec 31, 1992	20.51%	-30.0%
Dec 31, 1991	29.28%	-0.4%
Dec 31, 1990	29.39%	+39.4%
Dec 31, 1989	21.09%	-9.2%
Dec 31, 1988	23.22%	-53.2%
Dec 31, 1987	49.63%	+52.8%
Dec 31, 1986	32.48%	-10.7%
Dec 31, 1985	36.36%	+415.7%
Dec 31, 1984	7.05%	-22.4%
Dec 31, 1983	9.08%	-60.8%
Dec 31, 1982	23.18%	+25.4%
Dec 31, 1981	18.49%	-37.5%
Dec 31, 1980	29.59%	-

FAQ

What is the current 3-month volatility of WABC?: As of today, WABC 3-month volatility is 18.20%
What 3-month volatility category does WABC fall into?: Based on its current 3-month historical volatility, WABC falls into the low volatility category
What is WABC 3-month volatility 1-year high?: WABC 3-month volatility reached a 1-year high of 24.61% on January 23, 2026
What is WABC 3-month volatility 1-year low?: WABC 3-month volatility reached a 1-year low of 14.12% on June 24, 2026

1-Year

19.40%

September 22, 2026

Summary

Current Value: As of today, WABC 1-year volatility is 19.40%, up +0.05% on September 22, 2026
Value Category: Based on its current 1-year historical volatility, WABC falls into the low volatility category
1-Year High: WABC 1-year volatility reached a 1-year high of 27.49% on October 24, 2025
1-Year Low: WABC 1-year volatility reached a 1-year low of 19.31% on September 18, 2026

Performance

WABC Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
	Sep 22, 26	19.40%	+0.1%	-2.1%	-6.5%	-18.4%	-28.9%	-32.7%	-27.1%
	Sep 22, 26	17.50%	-8.3%	+22.4%	+70.4%	-10.6%	-33.0%	-3.4%	-3.6%
	Sep 22, 26	14.35%	-0.5%	+24.9%	-3.0%	-33.4%	-27.6%	-23.1%	-20.4%
	Sep 22, 26	18.20%	+0.1%	-1.7%	+24.7%	-20.1%	-22.1%	-17.4%	-14.2%
	Sep 22, 26	19.40%	+0.1%	-2.1%	-6.5%	-18.4%	-28.9%	-32.7%	-27.1%
	Sep 22, 26	48.19	-6.8%	+13.0%	-28.7%	+11.0%	+1.1%	+35.3%	+15.8%
	Sep 22, 26	0.29	0.0%	-19.4%	-45.3%	-53.2%	-60.8%	-65.5%	-62.3%
	Sep 22, 26	$1.26	+3.1%	+1.5%	+3.7%	+17.1%	+18.2%	+35.4%	+16.4%
Price	Sep 22, 26	$59.04	-0.7%	+1.0%	+1.6%	+23.4%	+20.9%	+39.4%	+8.5%
	Sep 22, 26	$54.50	+0.1%	+2.2%	+7.1%	+12.1%	+9.1%	+15.2%	-8.3%
	Sep 22, 26	$59.48	+0.0%	+0.3%	+7.7%	+23.4%	+20.8%	+30.4%	+6.0%
	Sep 22, 26	$59.01	+0.1%	-0.9%	+4.3%	+20.7%	+19.4%	+35.4%	+6.3%

1-Year Volatility History

Date	Value	Change
Sep 22, 2026	19.40%	-18.5%
Dec 31, 2025	23.79%	-19.7%
Dec 31, 2024	29.61%	+2.2%
Dec 31, 2023	28.96%	+31.7%
Dec 31, 2022	21.99%	-9.7%
Dec 31, 2021	24.35%	-46.4%
Dec 31, 2020	45.40%	+146.5%
Dec 31, 2019	18.42%	-21.0%
Dec 31, 2018	23.33%	+1.2%
Dec 31, 2017	23.05%	-6.4%
Dec 31, 2016	24.62%	+5.1%
Dec 31, 2015	23.43%	+20.6%
Dec 31, 2014	19.43%	+15.2%
Dec 31, 2013	16.86%	-10.1%
Dec 31, 2012	18.75%	-50.8%
Dec 31, 2011	38.12%	+66.9%
Dec 31, 2010	22.84%	-52.9%
Dec 31, 2009	48.47%	-19.8%
Dec 31, 2008	60.40%	+86.9%
Dec 31, 2007	32.32%	+77.5%
Dec 31, 2006	18.21%	-3.8%
Dec 31, 2005	18.93%	+2.7%
Dec 31, 2004	18.43%	+12.4%
Dec 31, 2003	16.39%	-39.4%

Date	Value	Change
Dec 31, 2002	27.05%	-7.8%
Dec 31, 2001	29.34%	-26.0%
Dec 31, 2000	39.65%	+52.4%
Dec 31, 1999	26.02%	-29.3%
Dec 31, 1998	36.79%	+60.4%
Dec 31, 1997	22.93%	+46.7%
Dec 31, 1996	15.63%	-4.6%
Dec 31, 1995	16.38%	-27.2%
Dec 31, 1994	22.49%	-9.0%
Dec 31, 1993	24.72%	+11.3%
Dec 31, 1992	22.21%	-15.0%
Dec 31, 1991	26.14%	-0.8%
Dec 31, 1990	26.35%	+4.0%
Dec 31, 1989	25.33%	-38.0%
Dec 31, 1988	40.86%	+13.8%
Dec 31, 1987	35.89%	-3.1%
Dec 31, 1986	37.02%	+33.2%
Dec 31, 1985	27.79%	+153.1%
Dec 31, 1984	10.98%	-52.6%
Dec 31, 1983	23.16%	+0.5%
Dec 31, 1982	23.05%	+22.7%
Dec 31, 1981	18.78%	-8.3%
Dec 31, 1980	20.49%	-

FAQ

What is the current 1-year volatility of WABC?: As of today, WABC 1-year volatility is 19.40%
What 1-year volatility category does WABC fall into?: Based on its current 1-year historical volatility, WABC falls into the low volatility category
What is WABC 1-year volatility 1-year high?: WABC 1-year volatility reached a 1-year high of 27.49% on October 24, 2025
What is WABC 1-year volatility 1-year low?: WABC 1-year volatility reached a 1-year low of 19.31% on September 18, 2026

Data Sources & References

WABC Official Website www.westamerica.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/311094/000117184326000283/0001171843-26-000283-index.htm
WABC Profile on Yahoo Finance finance.yahoo.com/quote/WABC
WABC Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wabc