What is the current 10-day volatility of LII?

As of today, LII 10-day volatility is 22.51%

What 10-day volatility category does LII fall into?

Based on its current 10-day historical volatility, LII falls into the low 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 24.87%

What 1-month volatility category does LII fall into?

Based on its current 1-month historical volatility, LII falls into the low 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 49.47%

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 40.74%

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 33.81% on April 24, 2026

LII Stock Volatility History & Chart Since 1999

10-Day

22.51%

September 29, 2026

Summary

Current Value: As of today, LII 10-day volatility is 22.51%, up +14.67% on September 29, 2026
Value Category: Based on its current 10-day historical volatility, LII falls into the low 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	Sep 29, 26	22.51%	+14.7%	-11.0%	-44.4%	+64.5%	+94.0%	-24.9%	+67.9%
1-Month Volatility	Sep 29, 26	24.87%	+1.3%	-25.3%	-37.7%	+25.5%	-15.8%	-3.5%	+64.8%
3-Month Volatility	Sep 29, 26	49.47%	+0.0%	-7.9%	+24.7%	+51.0%	+48.5%	+91.0%	+93.9%
1-Year Volatility	Sep 29, 26	40.74%	+0.1%	-0.7%	+13.0%	+15.4%	+20.3%	+24.8%	+60.2%
14-Day RSI	Sep 29, 26	34.12	-10.8%	+11.3%	-47.2%	-21.2%	-1.1%	-33.2%	+29.4%
Beta	Sep 29, 26	1.36	0.0%	-1.4%	+7.1%	+37.4%	+41.7%	+3.0%	+58.1%
ATR	Sep 29, 26	$11.12	+0.1%	-23.7%	-43.9%	-3.9%	-22.8%	+10.3%	+80.6%
Price	Sep 29, 26	$360.09	-2.3%	-8.5%	-36.7%	-25.8%	-30.8%	-3.8%	+19.8%
200-Day SMA	Sep 29, 26	$488.76	-0.1%	-2.3%	-4.2%	-11.0%	-16.8%	+65.4%	+54.9%
50-Day SMA	Sep 29, 26	$412.65	-0.8%	-15.6%	-19.7%	-16.0%	-28.8%	+12.0%	+26.9%
20-Day SMA	Sep 29, 26	$370.61	-0.3%	-11.1%	-29.7%	-25.7%	-32.1%	-2.0%	+17.4%

10-Day Volatility History

Date	Value	Change
Sep 29, 2026	22.51%	+64.5%
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 22.51%
What 10-day volatility category does LII fall into?: Based on its current 10-day historical volatility, LII falls into the low 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

24.87%

September 29, 2026

Summary

Current Value: As of today, LII 1-month volatility is 24.87%, up +1.26% on September 29, 2026
Value Category: Based on its current 1-month historical volatility, LII falls into the low 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	Sep 29, 26	24.87%	+1.3%	-25.3%	-37.7%	+25.5%	-15.8%	-3.5%	+64.8%
10-Day Volatility	Sep 29, 26	22.51%	+14.7%	-11.0%	-44.4%	+64.5%	+94.0%	-24.9%	+67.9%
3-Month Volatility	Sep 29, 26	49.47%	+0.0%	-7.9%	+24.7%	+51.0%	+48.5%	+91.0%	+93.9%
1-Year Volatility	Sep 29, 26	40.74%	+0.1%	-0.7%	+13.0%	+15.4%	+20.3%	+24.8%	+60.2%
14-Day RSI	Sep 29, 26	34.12	-10.8%	+11.3%	-47.2%	-21.2%	-1.1%	-33.2%	+29.4%
Beta	Sep 29, 26	1.36	0.0%	-1.4%	+7.1%	+37.4%	+41.7%	+3.0%	+58.1%
ATR	Sep 29, 26	$11.12	+0.1%	-23.7%	-43.9%	-3.9%	-22.8%	+10.3%	+80.6%
Price	Sep 29, 26	$360.09	-2.3%	-8.5%	-36.7%	-25.8%	-30.8%	-3.8%	+19.8%
200-Day SMA	Sep 29, 26	$488.76	-0.1%	-2.3%	-4.2%	-11.0%	-16.8%	+65.4%	+54.9%
50-Day SMA	Sep 29, 26	$412.65	-0.8%	-15.6%	-19.7%	-16.0%	-28.8%	+12.0%	+26.9%
20-Day SMA	Sep 29, 26	$370.61	-0.3%	-11.1%	-29.7%	-25.7%	-32.1%	-2.0%	+17.4%

1-Month Volatility History

Date	Value	Change
Sep 29, 2026	24.87%	+22.3%
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 24.87%
What 1-month volatility category does LII fall into?: Based on its current 1-month historical volatility, LII falls into the low 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

49.47%

September 29, 2026

Summary

Current Value: As of today, LII 3-month volatility is 49.47%, up +0.02% on September 29, 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	Sep 29, 26	49.47%	+0.0%	-7.9%	+24.7%	+51.0%	+48.5%	+91.0%	+93.9%
10-Day Volatility	Sep 29, 26	22.51%	+14.7%	-11.0%	-44.4%	+64.5%	+94.0%	-24.9%	+67.9%
1-Month Volatility	Sep 29, 26	24.87%	+1.3%	-25.3%	-37.7%	+25.5%	-15.8%	-3.5%	+64.8%
1-Year Volatility	Sep 29, 26	40.74%	+0.1%	-0.7%	+13.0%	+15.4%	+20.3%	+24.8%	+60.2%
14-Day RSI	Sep 29, 26	34.12	-10.8%	+11.3%	-47.2%	-21.2%	-1.1%	-33.2%	+29.4%
Beta	Sep 29, 26	1.36	0.0%	-1.4%	+7.1%	+37.4%	+41.7%	+3.0%	+58.1%
ATR	Sep 29, 26	$11.12	+0.1%	-23.7%	-43.9%	-3.9%	-22.8%	+10.3%	+80.6%
Price	Sep 29, 26	$360.09	-2.3%	-8.5%	-36.7%	-25.8%	-30.8%	-3.8%	+19.8%
200-Day SMA	Sep 29, 26	$488.76	-0.1%	-2.3%	-4.2%	-11.0%	-16.8%	+65.4%	+54.9%
50-Day SMA	Sep 29, 26	$412.65	-0.8%	-15.6%	-19.7%	-16.0%	-28.8%	+12.0%	+26.9%
20-Day SMA	Sep 29, 26	$370.61	-0.3%	-11.1%	-29.7%	-25.7%	-32.1%	-2.0%	+17.4%

3-Month Volatility History

Date	Value	Change
Sep 29, 2026	49.47%	+51.6%
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 49.47%
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

40.74%

September 29, 2026

Summary

Current Value: As of today, LII 1-year volatility is 40.74%, up +0.15% on September 29, 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 33.81% on April 24, 2026

Performance

LII Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Sep 29, 26	40.74%	+0.1%	-0.7%	+13.0%	+15.4%	+20.3%	+24.8%	+60.2%
10-Day Volatility	Sep 29, 26	22.51%	+14.7%	-11.0%	-44.4%	+64.5%	+94.0%	-24.9%	+67.9%
1-Month Volatility	Sep 29, 26	24.87%	+1.3%	-25.3%	-37.7%	+25.5%	-15.8%	-3.5%	+64.8%
3-Month Volatility	Sep 29, 26	49.47%	+0.0%	-7.9%	+24.7%	+51.0%	+48.5%	+91.0%	+93.9%
1-Year Volatility	Sep 29, 26	40.74%	+0.1%	-0.7%	+13.0%	+15.4%	+20.3%	+24.8%	+60.2%
14-Day RSI	Sep 29, 26	34.12	-10.8%	+11.3%	-47.2%	-21.2%	-1.1%	-33.2%	+29.4%
Beta	Sep 29, 26	1.36	0.0%	-1.4%	+7.1%	+37.4%	+41.7%	+3.0%	+58.1%
ATR	Sep 29, 26	$11.12	+0.1%	-23.7%	-43.9%	-3.9%	-22.8%	+10.3%	+80.6%
Price	Sep 29, 26	$360.09	-2.3%	-8.5%	-36.7%	-25.8%	-30.8%	-3.8%	+19.8%
200-Day SMA	Sep 29, 26	$488.76	-0.1%	-2.3%	-4.2%	-11.0%	-16.8%	+65.4%	+54.9%
50-Day SMA	Sep 29, 26	$412.65	-0.8%	-15.6%	-19.7%	-16.0%	-28.8%	+12.0%	+26.9%
20-Day SMA	Sep 29, 26	$370.61	-0.3%	-11.1%	-29.7%	-25.7%	-32.1%	-2.0%	+17.4%

1-Year Volatility History

Date	Value	Change
Sep 29, 2026	40.74%	+15.4%
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 40.74%
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 33.81% on April 24, 2026

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