What is the current 10-day volatility of WSO?

As of today, WSO 10-day volatility is 21.64%

What 10-day volatility category does WSO fall into?

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

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

WSO 10-day volatility reached a 1-year high of 80.00% on August 7, 2026

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

WSO 10-day volatility reached a 1-year low of 12.86% on November 17, 2025

What is the current 1-month volatility of WSO?

As of today, WSO 1-month volatility is 25.91%

What 1-month volatility category does WSO fall into?

Based on its current 1-month historical volatility, WSO falls into the moderate volatility category

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

WSO 1-month volatility reached a 1-year high of 57.62% on August 7, 2026

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

WSO 1-month volatility reached a 1-year low of 22.08% on March 12, 2026

What is the current 3-month volatility of WSO?

As of today, WSO 3-month volatility is 40.67%

What 3-month volatility category does WSO fall into?

Based on its current 3-month historical volatility, WSO falls into the high volatility category

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

WSO 3-month volatility reached a 1-year high of 41.80% on August 26, 2026

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

WSO 3-month volatility reached a 1-year low of 26.92% on March 10, 2026

What is the current 1-year volatility of WSO?

As of today, WSO 1-year volatility is 34.49%

What 1-year volatility category does WSO fall into?

Based on its current 1-year historical volatility, WSO falls into the moderate volatility category

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

WSO 1-year volatility reached a 1-year high of 34.93% on August 12, 2026

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

WSO 1-year volatility reached a 1-year low of 30.18% on April 24, 2026

Watsco, Inc. (WSO) Stock Volatility History & Chart

10-Day

21.64%

September 11, 2026

Summary

Current Value: As of today, WSO 10-day volatility is 21.64%, up +3.24% on September 11, 2026
Value Category: Based on its current 10-day historical volatility, WSO falls into the low volatility category
1-Year High: WSO 10-day volatility reached a 1-year high of 80.00% on August 7, 2026
1-Year Low: WSO 10-day volatility reached a 1-year low of 12.86% on November 17, 2025

10-Day Volatility Chart

Performance

WSO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Sep 11, 26	21.64%	+3.2%	-52.6%	-30.7%	+40.3%	-35.6%	-21.6%	-1.3%
1-Month Volatility	Sep 11, 26	25.91%	-4.4%	-52.2%	-19.2%	-12.6%	-14.0%	-0.4%	+42.5%
3-Month Volatility	Sep 11, 26	40.67%	+0.1%	-2.4%	+13.2%	+23.0%	+41.2%	+78.5%	+99.7%
1-Year Volatility	Sep 11, 26	34.49%	-0.6%	-0.8%	+9.8%	+4.1%	+8.1%	+6.5%	+36.3%
14-Day RSI	Sep 11, 26	45.22	+7.1%	+31.3%	+19.3%	+11.3%	+11.2%	-11.1%	-0.5%
Beta	Sep 11, 26	1.14	+0.9%	-3.4%	+7.5%	+50.0%	+46.1%	-6.6%	+60.6%
ATR	Sep 11, 26	$9.58	-1.7%	-24.3%	-26.5%	+4.0%	-21.2%	+19.3%	+80.9%
Price	Sep 14, 26	$313.58	-0.2%	+0.2%	-17.6%	-6.9%	-17.9%	-11.9%	+13.1%
200-Day SMA	Sep 11, 26	$374.41	-0.0%	-0.9%	-2.1%	-10.9%	-20.7%	+16.6%	+40.9%
50-Day SMA	Sep 11, 26	$338.46	-0.6%	-8.2%	-16.0%	-3.1%	-22.1%	-6.2%	+20.3%
20-Day SMA	Sep 11, 26	$312.55	+0.0%	-6.9%	-17.2%	-10.0%	-22.9%	-11.3%	+12.0%

10-Day Volatility History

Date	Value	Change
Sep 14, 2026	21.64%	+40.3%
Dec 31, 2025	15.42%	-29.1%
Dec 31, 2024	21.74%	+49.7%
Dec 31, 2023	14.52%	-42.0%
Dec 31, 2022	25.05%	+8.6%
Dec 31, 2021	23.06%	+0.5%
Dec 31, 2020	22.94%	+113.6%
Dec 31, 2019	10.74%	-71.3%
Dec 31, 2018	37.46%	+278.0%
Dec 31, 2017	9.91%	-32.9%
Dec 31, 2016	14.78%	-17.4%
Dec 31, 2015	17.89%	+20.6%
Dec 31, 2014	14.84%	-11.1%
Dec 31, 2013	16.70%	-26.2%
Dec 31, 2012	22.62%	-27.8%
Dec 31, 2011	31.34%	+112.3%
Dec 31, 2010	14.76%	+23.7%
Dec 31, 2009	11.93%	-54.1%
Dec 31, 2008	25.98%	-43.3%
Dec 31, 2007	45.78%	+173.2%
Dec 31, 2006	16.76%	-23.5%
Dec 31, 2005	21.92%	+52.4%

Date	Value	Change
Dec 31, 2004	14.38%	-8.2%
Dec 31, 2003	15.66%	-38.6%
Dec 31, 2002	25.50%	-18.3%
Dec 31, 2001	31.22%	-58.5%
Dec 31, 2000	75.26%	+60.1%
Dec 31, 1999	47.00%	+7.9%
Dec 31, 1998	43.54%	-28.8%
Dec 31, 1997	61.11%	+151.1%
Dec 31, 1996	24.34%	+26.8%
Dec 31, 1995	19.20%	+206.2%
Dec 31, 1994	6.27%	-40.1%
Dec 31, 1993	10.46%	-56.8%
Dec 31, 1992	24.22%	+5.3%
Dec 31, 1991	23.01%	+15.2%
Dec 31, 1990	19.98%	-1.4%
Dec 31, 1989	20.27%	-32.3%
Dec 31, 1988	29.94%	-29.3%
Dec 31, 1987	42.34%	+102.3%
Dec 31, 1986	20.93%	-49.6%
Dec 31, 1985	41.55%	+192.0%
Dec 31, 1984	14.23%	-

FAQ

What is the current 10-day volatility of WSO?: As of today, WSO 10-day volatility is 21.64%
What 10-day volatility category does WSO fall into?: Based on its current 10-day historical volatility, WSO falls into the low volatility category
What is WSO 10-day volatility 1-year high?: WSO 10-day volatility reached a 1-year high of 80.00% on August 7, 2026
What is WSO 10-day volatility 1-year low?: WSO 10-day volatility reached a 1-year low of 12.86% on November 17, 2025

1-Month

25.91%

September 11, 2026

Summary

Current Value: As of today, WSO 1-month volatility is 25.91%, down -4.36% on September 11, 2026
Value Category: Based on its current 1-month historical volatility, WSO falls into the moderate volatility category
1-Year High: WSO 1-month volatility reached a 1-year high of 57.62% on August 7, 2026
1-Year Low: WSO 1-month volatility reached a 1-year low of 22.08% on March 12, 2026

Performance

WSO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Sep 11, 26	25.91%	-4.4%	-52.2%	-19.2%	-12.6%	-14.0%	-0.4%	+42.5%
10-Day Volatility	Sep 11, 26	21.64%	+3.2%	-52.6%	-30.7%	+40.3%	-35.6%	-21.6%	-1.3%
3-Month Volatility	Sep 11, 26	40.67%	+0.1%	-2.4%	+13.2%	+23.0%	+41.2%	+78.5%	+99.7%
1-Year Volatility	Sep 11, 26	34.49%	-0.6%	-0.8%	+9.8%	+4.1%	+8.1%	+6.5%	+36.3%
14-Day RSI	Sep 11, 26	45.22	+7.1%	+31.3%	+19.3%	+11.3%	+11.2%	-11.1%	-0.5%
Beta	Sep 11, 26	1.14	+0.9%	-3.4%	+7.5%	+50.0%	+46.1%	-6.6%	+60.6%
ATR	Sep 11, 26	$9.58	-1.7%	-24.3%	-26.5%	+4.0%	-21.2%	+19.3%	+80.9%
Price	Sep 14, 26	$313.58	-0.2%	+0.2%	-17.6%	-6.9%	-17.9%	-11.9%	+13.1%
200-Day SMA	Sep 11, 26	$374.41	-0.0%	-0.9%	-2.1%	-10.9%	-20.7%	+16.6%	+40.9%
50-Day SMA	Sep 11, 26	$338.46	-0.6%	-8.2%	-16.0%	-3.1%	-22.1%	-6.2%	+20.3%
20-Day SMA	Sep 11, 26	$312.55	+0.0%	-6.9%	-17.2%	-10.0%	-22.9%	-11.3%	+12.0%

1-Month Volatility History

Date	Value	Change
Sep 14, 2026	25.91%	-11.5%
Dec 31, 2025	29.29%	+68.3%
Dec 31, 2024	17.40%	-9.8%
Dec 31, 2023	19.30%	-28.6%
Dec 31, 2022	27.04%	+11.1%
Dec 31, 2021	24.33%	+12.8%
Dec 31, 2020	21.57%	+84.7%
Dec 31, 2019	11.68%	-58.6%
Dec 31, 2018	28.21%	+119.4%
Dec 31, 2017	12.86%	-26.9%
Dec 31, 2016	17.59%	+16.6%
Dec 31, 2015	15.08%	-7.8%
Dec 31, 2014	16.35%	-17.3%
Dec 31, 2013	19.77%	+2.6%
Dec 31, 2012	19.26%	-34.3%
Dec 31, 2011	29.30%	+93.1%
Dec 31, 2010	15.17%	+0.6%
Dec 31, 2009	15.08%	-79.0%
Dec 31, 2008	71.67%	+56.3%
Dec 31, 2007	45.86%	+192.7%
Dec 31, 2006	15.67%	-62.2%
Dec 31, 2005	41.50%	+69.2%

Date	Value	Change
Dec 31, 2004	24.53%	+14.1%
Dec 31, 2003	21.50%	-15.5%
Dec 31, 2002	25.44%	-23.6%
Dec 31, 2001	33.30%	-42.9%
Dec 31, 2000	58.29%	+36.6%
Dec 31, 1999	42.68%	-4.2%
Dec 31, 1998	44.57%	+3.0%
Dec 31, 1997	43.27%	+1.3%
Dec 31, 1996	42.73%	+149.4%
Dec 31, 1995	17.13%	+92.0%
Dec 31, 1994	8.92%	-29.3%
Dec 31, 1993	12.62%	-36.6%
Dec 31, 1992	19.89%	-5.4%
Dec 31, 1991	21.03%	+22.8%
Dec 31, 1990	17.12%	-22.5%
Dec 31, 1989	22.08%	-22.3%
Dec 31, 1988	28.40%	-37.8%
Dec 31, 1987	45.69%	+27.9%
Dec 31, 1986	35.73%	+15.9%
Dec 31, 1985	30.82%	+47.3%
Dec 31, 1984	20.92%	-

FAQ

What is the current 1-month volatility of WSO?: As of today, WSO 1-month volatility is 25.91%
What 1-month volatility category does WSO fall into?: Based on its current 1-month historical volatility, WSO falls into the moderate volatility category
What is WSO 1-month volatility 1-year high?: WSO 1-month volatility reached a 1-year high of 57.62% on August 7, 2026
What is WSO 1-month volatility 1-year low?: WSO 1-month volatility reached a 1-year low of 22.08% on March 12, 2026

3-Month

40.67%

September 11, 2026

Summary

Current Value: As of today, WSO 3-month volatility is 40.67%, up +0.12% on September 11, 2026
Value Category: Based on its current 3-month historical volatility, WSO falls into the high volatility category
1-Year High: WSO 3-month volatility reached a 1-year high of 41.80% on August 26, 2026
1-Year Low: WSO 3-month volatility reached a 1-year low of 26.92% on March 10, 2026

Performance

WSO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Sep 11, 26	40.67%	+0.1%	-2.4%	+13.2%	+23.0%	+41.2%	+78.5%	+99.7%
10-Day Volatility	Sep 11, 26	21.64%	+3.2%	-52.6%	-30.7%	+40.3%	-35.6%	-21.6%	-1.3%
1-Month Volatility	Sep 11, 26	25.91%	-4.4%	-52.2%	-19.2%	-12.6%	-14.0%	-0.4%	+42.5%
1-Year Volatility	Sep 11, 26	34.49%	-0.6%	-0.8%	+9.8%	+4.1%	+8.1%	+6.5%	+36.3%
14-Day RSI	Sep 11, 26	45.22	+7.1%	+31.3%	+19.3%	+11.3%	+11.2%	-11.1%	-0.5%
Beta	Sep 11, 26	1.14	+0.9%	-3.4%	+7.5%	+50.0%	+46.1%	-6.6%	+60.6%
ATR	Sep 11, 26	$9.58	-1.7%	-24.3%	-26.5%	+4.0%	-21.2%	+19.3%	+80.9%
Price	Sep 14, 26	$313.58	-0.2%	+0.2%	-17.6%	-6.9%	-17.9%	-11.9%	+13.1%
200-Day SMA	Sep 11, 26	$374.41	-0.0%	-0.9%	-2.1%	-10.9%	-20.7%	+16.6%	+40.9%
50-Day SMA	Sep 11, 26	$338.46	-0.6%	-8.2%	-16.0%	-3.1%	-22.1%	-6.2%	+20.3%
20-Day SMA	Sep 11, 26	$312.55	+0.0%	-6.9%	-17.2%	-10.0%	-22.9%	-11.3%	+12.0%

3-Month Volatility History

Date	Value	Change
Sep 14, 2026	40.67%	+24.0%
Dec 31, 2025	32.80%	+21.3%
Dec 31, 2024	27.05%	+2.0%
Dec 31, 2023	26.53%	-33.7%
Dec 31, 2022	40.01%	+83.4%
Dec 31, 2021	21.81%	-22.1%
Dec 31, 2020	27.98%	+59.9%
Dec 31, 2019	17.50%	-35.9%
Dec 31, 2018	27.29%	+152.7%
Dec 31, 2017	10.80%	-58.1%
Dec 31, 2016	25.79%	-7.1%
Dec 31, 2015	27.76%	+51.3%
Dec 31, 2014	18.35%	+12.1%
Dec 31, 2013	16.37%	-44.7%
Dec 31, 2012	29.60%	-21.5%
Dec 31, 2011	37.72%	+120.8%
Dec 31, 2010	17.08%	-7.2%
Dec 31, 2009	18.40%	-78.8%
Dec 31, 2008	86.67%	+122.3%
Dec 31, 2007	38.99%	+60.5%
Dec 31, 2006	24.30%	-31.1%
Dec 31, 2005	35.28%	+25.2%

Date	Value	Change
Dec 31, 2004	28.17%	+15.8%
Dec 31, 2003	24.32%	-21.9%
Dec 31, 2002	31.14%	-8.3%
Dec 31, 2001	33.95%	-28.5%
Dec 31, 2000	47.48%	+9.7%
Dec 31, 1999	43.27%	+12.7%
Dec 31, 1998	38.41%	-11.2%
Dec 31, 1997	43.25%	+21.4%
Dec 31, 1996	35.64%	+136.7%
Dec 31, 1995	15.06%	+19.2%
Dec 31, 1994	12.63%	-50.4%
Dec 31, 1993	25.44%	-19.8%
Dec 31, 1992	31.74%	-9.9%
Dec 31, 1991	35.21%	+27.8%
Dec 31, 1990	27.56%	+6.5%
Dec 31, 1989	25.88%	-27.5%
Dec 31, 1988	35.72%	-57.5%
Dec 31, 1987	83.95%	+116.5%
Dec 31, 1986	38.78%	+36.5%
Dec 31, 1985	28.42%	+13.6%
Dec 31, 1984	25.01%	-

FAQ

What is the current 3-month volatility of WSO?: As of today, WSO 3-month volatility is 40.67%
What 3-month volatility category does WSO fall into?: Based on its current 3-month historical volatility, WSO falls into the high volatility category
What is WSO 3-month volatility 1-year high?: WSO 3-month volatility reached a 1-year high of 41.80% on August 26, 2026
What is WSO 3-month volatility 1-year low?: WSO 3-month volatility reached a 1-year low of 26.92% on March 10, 2026

1-Year

34.49%

September 11, 2026

Summary

Current Value: As of today, WSO 1-year volatility is 34.49%, down -0.55% on September 11, 2026
Value Category: Based on its current 1-year historical volatility, WSO falls into the moderate volatility category
1-Year High: WSO 1-year volatility reached a 1-year high of 34.93% on August 12, 2026
1-Year Low: WSO 1-year volatility reached a 1-year low of 30.18% on April 24, 2026

Performance

WSO Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 11, 26	34.49%	-0.6%	-0.8%	+9.8%	+4.1%	+8.1%	+6.5%	+36.3%
10-Day Volatility	Sep 11, 26	21.64%	+3.2%	-52.6%	-30.7%	+40.3%	-35.6%	-21.6%	-1.3%
1-Month Volatility	Sep 11, 26	25.91%	-4.4%	-52.2%	-19.2%	-12.6%	-14.0%	-0.4%	+42.5%
3-Month Volatility	Sep 11, 26	40.67%	+0.1%	-2.4%	+13.2%	+23.0%	+41.2%	+78.5%	+99.7%
1-Year Volatility	Sep 11, 26	34.49%	-0.6%	-0.8%	+9.8%	+4.1%	+8.1%	+6.5%	+36.3%
14-Day RSI	Sep 11, 26	45.22	+7.1%	+31.3%	+19.3%	+11.3%	+11.2%	-11.1%	-0.5%
Beta	Sep 11, 26	1.14	+0.9%	-3.4%	+7.5%	+50.0%	+46.1%	-6.6%	+60.6%
ATR	Sep 11, 26	$9.58	-1.7%	-24.3%	-26.5%	+4.0%	-21.2%	+19.3%	+80.9%
Price	Sep 14, 26	$313.58	-0.2%	+0.2%	-17.6%	-6.9%	-17.9%	-11.9%	+13.1%
200-Day SMA	Sep 11, 26	$374.41	-0.0%	-0.9%	-2.1%	-10.9%	-20.7%	+16.6%	+40.9%
50-Day SMA	Sep 11, 26	$338.46	-0.6%	-8.2%	-16.0%	-3.1%	-22.1%	-6.2%	+20.3%
20-Day SMA	Sep 11, 26	$312.55	+0.0%	-6.9%	-17.2%	-10.0%	-22.9%	-11.3%	+12.0%

1-Year Volatility History

Date	Value	Change
Sep 14, 2026	34.49%	+4.1%
Dec 31, 2025	33.14%	+19.4%
Dec 31, 2024	27.76%	-3.5%
Dec 31, 2023	28.77%	-14.4%
Dec 31, 2022	33.61%	+40.7%
Dec 31, 2021	23.88%	-35.9%
Dec 31, 2020	37.26%	+82.4%
Dec 31, 2019	20.43%	-14.2%
Dec 31, 2018	23.82%	+58.2%
Dec 31, 2017	15.06%	-32.9%
Dec 31, 2016	22.43%	+3.9%
Dec 31, 2015	21.59%	+17.2%
Dec 31, 2014	18.42%	-8.5%
Dec 31, 2013	20.14%	-25.4%
Dec 31, 2012	27.01%	-15.5%
Dec 31, 2011	31.95%	+10.6%
Dec 31, 2010	28.88%	-25.2%
Dec 31, 2009	38.60%	-33.8%
Dec 31, 2008	58.31%	+83.7%
Dec 31, 2007	31.74%	-8.2%
Dec 31, 2006	34.57%	+8.3%
Dec 31, 2005	31.92%	+8.0%

Date	Value	Change
Dec 31, 2004	29.56%	+16.2%
Dec 31, 2003	25.43%	-32.5%
Dec 31, 2002	37.68%	-11.9%
Dec 31, 2001	42.75%	-6.7%
Dec 31, 2000	45.83%	-2.1%
Dec 31, 1999	46.79%	+7.2%
Dec 31, 1998	43.64%	+1.7%
Dec 31, 1997	42.93%	+7.7%
Dec 31, 1996	39.86%	+155.8%
Dec 31, 1995	15.58%	-3.9%
Dec 31, 1994	16.21%	-37.4%
Dec 31, 1993	25.89%	-32.1%
Dec 31, 1992	38.12%	+24.7%
Dec 31, 1991	30.58%	-8.1%
Dec 31, 1990	33.27%	+3.1%
Dec 31, 1989	32.28%	-0.9%
Dec 31, 1988	32.56%	-42.0%
Dec 31, 1987	56.10%	+36.0%
Dec 31, 1986	41.26%	+23.1%
Dec 31, 1985	33.53%	-7.8%
Dec 31, 1984	36.36%	-

FAQ

What is the current 1-year volatility of WSO?: As of today, WSO 1-year volatility is 34.49%
What 1-year volatility category does WSO fall into?: Based on its current 1-year historical volatility, WSO falls into the moderate volatility category
What is WSO 1-year volatility 1-year high?: WSO 1-year volatility reached a 1-year high of 34.93% on August 12, 2026
What is WSO 1-year volatility 1-year low?: WSO 1-year volatility reached a 1-year low of 30.18% on April 24, 2026

Data Sources & References

WSO Official Website www.watsco.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/105016/000119312526053048/0001193125-26-053048-index.htm
WSO Profile on Yahoo Finance finance.yahoo.com/quote/WSO
WSO Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wso