What is the current 10-day volatility of LII?

As of today, LII 10-day volatility is 27.76%

What 10-day volatility category does LII fall into?

Based on its current 10-day historical volatility, LII falls into the moderate volatility category

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

LII 10-day volatility reached a 1-year high of 113.45% on August 4, 2026

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

LII 10-day volatility reached a 1-year low of 11.26% on December 30, 2025

What is the current 1-month volatility of LII?

As of today, LII 1-month volatility is 76.67%

What 1-month volatility category does LII fall into?

Based on its current 1-month historical volatility, LII falls into the extreme volatility category

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

LII 1-month volatility reached a 1-year high of 79.81% on August 7, 2026

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

LII 1-month volatility reached a 1-year low of 19.82% on December 31, 2025

What is the current 3-month volatility of LII?

As of today, LII 3-month volatility is 54.46%

What 3-month volatility category does LII fall into?

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

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

LII 3-month volatility reached a 1-year high of 54.85% on August 14, 2026

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

LII 3-month volatility reached a 1-year low of 27.17% on January 23, 2026

What is the current 1-year volatility of LII?

As of today, LII 1-year volatility is 41.38%

What 1-year volatility category does LII fall into?

Based on its current 1-year historical volatility, LII falls into the high volatility category

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

LII 1-year volatility reached a 1-year high of 41.57% on August 12, 2026

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

LII 1-year volatility reached a 1-year low of 32.99% on August 18, 2025

LII Stock Volatility History & Chart Since 1999

10-Day

27.76%

August 18, 2026

Summary

Current Value: As of today, LII 10-day volatility is 27.76%, down -15.11% on August 18, 2026
Value Category: Based on its current 10-day historical volatility, LII falls into the moderate volatility category
1-Year High: LII 10-day volatility reached a 1-year high of 113.45% on August 4, 2026
1-Year Low: LII 10-day volatility reached a 1-year low of 11.26% on December 30, 2025

10-Day Volatility Chart

Performance

LII Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Aug 18, 26	27.76%	-15.1%	-18.9%	-16.4%	+102.9%	-1.6%	+21.3%	+33.8%
1-Month Volatility	Aug 18, 26	76.67%	-2.4%	+112.4%	+130.4%	+286.8%	+109.2%	+165.3%	+233.3%
3-Month Volatility	Aug 18, 26	54.46%	+0.0%	+54.2%	+31.2%	+66.3%	+83.6%	+110.7%	+108.7%
1-Year Volatility	Aug 18, 26	41.38%	0.0%	+14.6%	+19.9%	+17.3%	+25.4%	+21.7%	+57.2%
14-Day RSI	Aug 18, 26	30.11	-3.6%	-39.7%	-36.9%	-30.5%	-38.5%	-31.4%	-30.2%
Beta	Aug 18, 26	1.41	0.0%	+11.9%	+10.2%	+42.4%	+45.4%	+10.2%	+58.4%
ATR	Aug 18, 26	$17.15	-3.9%	-10.3%	-1.6%	+48.1%	+9.0%	+119.7%	+127.6%
Price	Aug 18, 26	$411.05	-1.2%	-24.4%	-18.0%	-15.3%	-31.5%	+17.9%	+26.1%
200-Day SMA	Aug 18, 26	$504.20	-0.1%	-1.4%	-2.8%	-8.2%	-15.8%	+81.0%	+62.1%
50-Day SMA	Aug 18, 26	$508.01	-0.4%	-3.7%	+3.2%	+3.5%	-14.3%	+50.4%	+52.6%
20-Day SMA	Aug 18, 26	$455.66	-1.3%	-17.7%	-10.9%	-8.6%	-25.8%	+25.5%	+37.3%

10-Day Volatility History

Date	Value	Change
Aug 18, 2026	27.76%	+102.9%
Dec 31, 2025	13.68%	-39.3%
Dec 31, 2024	22.53%	+68.6%
Dec 31, 2023	13.36%	-24.9%
Dec 31, 2022	17.79%	-34.7%
Dec 31, 2021	27.24%	+83.6%
Dec 31, 2020	14.84%	-54.0%
Dec 31, 2019	32.27%	-3.3%
Dec 31, 2018	33.38%	+160.6%
Dec 31, 2017	12.81%	-14.7%
Dec 31, 2016	15.02%	-31.6%
Dec 31, 2015	21.95%	+58.9%
Dec 31, 2014	13.81%	-46.9%
Dec 31, 2013	26.01%	+6.5%

Date	Value	Change
Dec 31, 2012	24.43%	-42.2%
Dec 31, 2011	42.24%	+215.5%
Dec 31, 2010	13.39%	-39.3%
Dec 31, 2009	22.05%	-68.2%
Dec 31, 2008	69.37%	+114.3%
Dec 31, 2007	32.37%	+131.4%
Dec 31, 2006	13.99%	-34.6%
Dec 31, 2005	21.38%	+4.3%
Dec 31, 2004	20.50%	-22.3%
Dec 31, 2003	26.38%	-26.0%
Dec 31, 2002	35.63%	+37.8%
Dec 31, 2001	25.86%	-51.7%
Dec 31, 2000	53.55%	+36.6%
Dec 31, 1999	39.19%	-

FAQ

What is the current 10-day volatility of LII?: As of today, LII 10-day volatility is 27.76%
What 10-day volatility category does LII fall into?: Based on its current 10-day historical volatility, LII falls into the moderate volatility category
What is LII 10-day volatility 1-year high?: LII 10-day volatility reached a 1-year high of 113.45% on August 4, 2026
What is LII 10-day volatility 1-year low?: LII 10-day volatility reached a 1-year low of 11.26% on December 30, 2025

1-Month

76.67%

August 18, 2026

Summary

Current Value: As of today, LII 1-month volatility is 76.67%, down -2.41% on August 18, 2026
Value Category: Based on its current 1-month historical volatility, LII falls into the extreme volatility category
1-Year High: LII 1-month volatility reached a 1-year high of 79.81% on August 7, 2026
1-Year Low: LII 1-month volatility reached a 1-year low of 19.82% on December 31, 2025

Performance

LII Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Aug 18, 26	76.67%	-2.4%	+112.4%	+130.4%	+286.8%	+109.2%	+165.3%	+233.3%
10-Day Volatility	Aug 18, 26	27.76%	-15.1%	-18.9%	-16.4%	+102.9%	-1.6%	+21.3%	+33.8%
3-Month Volatility	Aug 18, 26	54.46%	+0.0%	+54.2%	+31.2%	+66.3%	+83.6%	+110.7%	+108.7%
1-Year Volatility	Aug 18, 26	41.38%	0.0%	+14.6%	+19.9%	+17.3%	+25.4%	+21.7%	+57.2%
14-Day RSI	Aug 18, 26	30.11	-3.6%	-39.7%	-36.9%	-30.5%	-38.5%	-31.4%	-30.2%
Beta	Aug 18, 26	1.41	0.0%	+11.9%	+10.2%	+42.4%	+45.4%	+10.2%	+58.4%
ATR	Aug 18, 26	$17.15	-3.9%	-10.3%	-1.6%	+48.1%	+9.0%	+119.7%	+127.6%
Price	Aug 18, 26	$411.05	-1.2%	-24.4%	-18.0%	-15.3%	-31.5%	+17.9%	+26.1%
200-Day SMA	Aug 18, 26	$504.20	-0.1%	-1.4%	-2.8%	-8.2%	-15.8%	+81.0%	+62.1%
50-Day SMA	Aug 18, 26	$508.01	-0.4%	-3.7%	+3.2%	+3.5%	-14.3%	+50.4%	+52.6%
20-Day SMA	Aug 18, 26	$455.66	-1.3%	-17.7%	-10.9%	-8.6%	-25.8%	+25.5%	+37.3%

1-Month Volatility History

Date	Value	Change
Aug 18, 2026	76.67%	+276.9%
Dec 31, 2025	20.34%	-15.9%
Dec 31, 2024	24.19%	+1.2%
Dec 31, 2023	23.90%	-12.2%
Dec 31, 2022	27.23%	-4.7%
Dec 31, 2021	28.58%	+29.9%
Dec 31, 2020	22.01%	-22.0%
Dec 31, 2019	28.20%	-18.4%
Dec 31, 2018	34.58%	+187.9%
Dec 31, 2017	12.01%	-36.6%
Dec 31, 2016	18.94%	-10.8%
Dec 31, 2015	21.24%	+37.4%
Dec 31, 2014	15.46%	-30.9%
Dec 31, 2013	22.37%	+8.9%

Date	Value	Change
Dec 31, 2012	20.54%	-49.9%
Dec 31, 2011	40.99%	+106.9%
Dec 31, 2010	19.81%	+0.2%
Dec 31, 2009	19.77%	-75.7%
Dec 31, 2008	81.50%	+116.2%
Dec 31, 2007	37.69%	+80.2%
Dec 31, 2006	20.92%	-10.1%
Dec 31, 2005	23.26%	+14.4%
Dec 31, 2004	20.34%	-41.9%
Dec 31, 2003	35.00%	-10.2%
Dec 31, 2002	38.96%	+71.1%
Dec 31, 2001	22.77%	-56.6%
Dec 31, 2000	52.48%	+17.9%
Dec 31, 1999	44.51%	-

FAQ

What is the current 1-month volatility of LII?: As of today, LII 1-month volatility is 76.67%
What 1-month volatility category does LII fall into?: Based on its current 1-month historical volatility, LII falls into the extreme volatility category
What is LII 1-month volatility 1-year high?: LII 1-month volatility reached a 1-year high of 79.81% on August 7, 2026
What is LII 1-month volatility 1-year low?: LII 1-month volatility reached a 1-year low of 19.82% on December 31, 2025

3-Month

54.46%

August 18, 2026

Summary

Current Value: As of today, LII 3-month volatility is 54.46%, up +0.02% on August 18, 2026
Value Category: Based on its current 3-month historical volatility, LII falls into the high volatility category
1-Year High: LII 3-month volatility reached a 1-year high of 54.85% on August 14, 2026
1-Year Low: LII 3-month volatility reached a 1-year low of 27.17% on January 23, 2026

Performance

LII Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Aug 18, 26	54.46%	+0.0%	+54.2%	+31.2%	+66.3%	+83.6%	+110.7%	+108.7%
10-Day Volatility	Aug 18, 26	27.76%	-15.1%	-18.9%	-16.4%	+102.9%	-1.6%	+21.3%	+33.8%
1-Month Volatility	Aug 18, 26	76.67%	-2.4%	+112.4%	+130.4%	+286.8%	+109.2%	+165.3%	+233.3%
1-Year Volatility	Aug 18, 26	41.38%	0.0%	+14.6%	+19.9%	+17.3%	+25.4%	+21.7%	+57.2%
14-Day RSI	Aug 18, 26	30.11	-3.6%	-39.7%	-36.9%	-30.5%	-38.5%	-31.4%	-30.2%
Beta	Aug 18, 26	1.41	0.0%	+11.9%	+10.2%	+42.4%	+45.4%	+10.2%	+58.4%
ATR	Aug 18, 26	$17.15	-3.9%	-10.3%	-1.6%	+48.1%	+9.0%	+119.7%	+127.6%
Price	Aug 18, 26	$411.05	-1.2%	-24.4%	-18.0%	-15.3%	-31.5%	+17.9%	+26.1%
200-Day SMA	Aug 18, 26	$504.20	-0.1%	-1.4%	-2.8%	-8.2%	-15.8%	+81.0%	+62.1%
50-Day SMA	Aug 18, 26	$508.01	-0.4%	-3.7%	+3.2%	+3.5%	-14.3%	+50.4%	+52.6%
20-Day SMA	Aug 18, 26	$455.66	-1.3%	-17.7%	-10.9%	-8.6%	-25.8%	+25.5%	+37.3%

3-Month Volatility History

Date	Value	Change
Aug 18, 2026	54.48%	+66.9%
Dec 31, 2025	32.64%	+24.7%
Dec 31, 2024	26.17%	-7.6%
Dec 31, 2023	28.31%	-31.3%
Dec 31, 2022	41.22%	+63.4%
Dec 31, 2021	25.22%	-10.9%
Dec 31, 2020	28.30%	+14.3%
Dec 31, 2019	24.75%	-16.9%
Dec 31, 2018	29.79%	+42.6%
Dec 31, 2017	20.89%	+8.4%
Dec 31, 2016	19.27%	-15.5%
Dec 31, 2015	22.80%	-9.6%
Dec 31, 2014	25.21%	+31.2%
Dec 31, 2013	19.21%	-12.2%

Date	Value	Change
Dec 31, 2012	21.87%	-56.1%
Dec 31, 2011	49.78%	+112.5%
Dec 31, 2010	23.43%	-13.3%
Dec 31, 2009	27.02%	-68.2%
Dec 31, 2008	84.85%	+108.0%
Dec 31, 2007	40.80%	+95.2%
Dec 31, 2006	20.90%	-11.9%
Dec 31, 2005	23.73%	-11.9%
Dec 31, 2004	26.94%	-17.4%
Dec 31, 2003	32.60%	-42.5%
Dec 31, 2002	56.70%	+84.9%
Dec 31, 2001	30.66%	-47.8%
Dec 31, 2000	58.74%	-9.1%
Dec 31, 1999	64.63%	-

FAQ

What is the current 3-month volatility of LII?: As of today, LII 3-month volatility is 54.46%
What 3-month volatility category does LII fall into?: Based on its current 3-month historical volatility, LII falls into the high volatility category
What is LII 3-month volatility 1-year high?: LII 3-month volatility reached a 1-year high of 54.85% on August 14, 2026
What is LII 3-month volatility 1-year low?: LII 3-month volatility reached a 1-year low of 27.17% on January 23, 2026

1-Year

41.38%

August 18, 2026

Summary

Current Value: As of today, LII 1-year volatility is 41.38%, unchanged on August 18, 2026
Value Category: Based on its current 1-year historical volatility, LII falls into the high volatility category
1-Year High: LII 1-year volatility reached a 1-year high of 41.57% on August 12, 2026
1-Year Low: LII 1-year volatility reached a 1-year low of 32.99% on August 18, 2025

Performance

LII Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Aug 18, 26	41.38%	0.0%	+14.6%	+19.9%	+17.3%	+25.4%	+21.7%	+57.2%
10-Day Volatility	Aug 18, 26	27.76%	-15.1%	-18.9%	-16.4%	+102.9%	-1.6%	+21.3%	+33.8%
1-Month Volatility	Aug 18, 26	76.67%	-2.4%	+112.4%	+130.4%	+286.8%	+109.2%	+165.3%	+233.3%
3-Month Volatility	Aug 18, 26	54.46%	+0.0%	+54.2%	+31.2%	+66.3%	+83.6%	+110.7%	+108.7%
1-Year Volatility	Aug 18, 26	41.38%	0.0%	+14.6%	+19.9%	+17.3%	+25.4%	+21.7%	+57.2%
14-Day RSI	Aug 18, 26	30.11	-3.6%	-39.7%	-36.9%	-30.5%	-38.5%	-31.4%	-30.2%
Beta	Aug 18, 26	1.41	0.0%	+11.9%	+10.2%	+42.4%	+45.4%	+10.2%	+58.4%
ATR	Aug 18, 26	$17.15	-3.9%	-10.3%	-1.6%	+48.1%	+9.0%	+119.7%	+127.6%
Price	Aug 18, 26	$411.05	-1.2%	-24.4%	-18.0%	-15.3%	-31.5%	+17.9%	+26.1%
200-Day SMA	Aug 18, 26	$504.20	-0.1%	-1.4%	-2.8%	-8.2%	-15.8%	+81.0%	+62.1%
50-Day SMA	Aug 18, 26	$508.01	-0.4%	-3.7%	+3.2%	+3.5%	-14.3%	+50.4%	+52.6%
20-Day SMA	Aug 18, 26	$455.66	-1.3%	-17.7%	-10.9%	-8.6%	-25.8%	+25.5%	+37.3%

1-Year Volatility History

Date	Value	Change
Aug 18, 2026	41.36%	+17.2%
Dec 31, 2025	35.29%	+27.5%
Dec 31, 2024	27.68%	-4.8%
Dec 31, 2023	29.09%	-18.4%
Dec 31, 2022	35.64%	+44.3%
Dec 31, 2021	24.70%	-37.1%
Dec 31, 2020	39.26%	+78.2%
Dec 31, 2019	22.03%	-11.6%
Dec 31, 2018	24.91%	+32.8%
Dec 31, 2017	18.76%	-1.7%
Dec 31, 2016	19.09%	-5.7%
Dec 31, 2015	20.24%	+4.3%
Dec 31, 2014	19.40%	-5.2%
Dec 31, 2013	20.46%	-32.8%

Date	Value	Change
Dec 31, 2012	30.44%	-28.2%
Dec 31, 2011	42.37%	+46.7%
Dec 31, 2010	28.88%	-29.9%
Dec 31, 2009	41.17%	-28.8%
Dec 31, 2008	57.81%	+57.9%
Dec 31, 2007	36.62%	+19.7%
Dec 31, 2006	30.59%	+12.7%
Dec 31, 2005	27.15%	-9.3%
Dec 31, 2004	29.95%	-20.7%
Dec 31, 2003	37.78%	-15.9%
Dec 31, 2002	44.92%	-7.0%
Dec 31, 2001	48.28%	-12.2%
Dec 31, 2000	54.97%	-4.2%
Dec 31, 1999	57.38%	-

FAQ

What is the current 1-year volatility of LII?: As of today, LII 1-year volatility is 41.38%
What 1-year volatility category does LII fall into?: Based on its current 1-year historical volatility, LII falls into the high volatility category
What is LII 1-year volatility 1-year high?: LII 1-year volatility reached a 1-year high of 41.57% on August 12, 2026
What is LII 1-year volatility 1-year low?: LII 1-year volatility reached a 1-year low of 32.99% on August 18, 2025

Data Sources & References

LII Official Website www.lennox.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1069202/000106920226000005/0001069202-26-000005-index.htm
LII Profile on Yahoo Finance finance.yahoo.com/quote/LII
LII Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/lii