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Lennox International Inc (LII) stock

LIINYSEAir-Cond & Warm Air Heatg Equip & Comm & Indl Refrig EquipFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Oct 28, 2026Score 20/3029% below fair value
$344.08−4.04 (-1.16%)

Close on Oct 30, 2026Market cap $11.89BP/E 15.3Yield 1.47%

Price history

Lennox International share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$344.08
-1.16% on the day
52-week range
$322.00 – $587.27
-41.4% from the high
Change over 52 weeks
-30.6%
From $495.69 on Oct 30, 2025
Average volume
559,677
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$376.00$378.46$322.00$344.08-8.49%6,196,082
Oct 19, 2026$359.65$382.99$351.94$376.01+5.11%2,529,815
Oct 12, 2026$355.59$363.17$340.32$357.73+0.36%3,079,336
Oct 5, 2026$353.57$371.84$350.64$356.44+0.04%2,077,850
Sep 28, 2026$370.25$373.47$351.34$356.30-4.67%2,636,102
Sep 21, 2026$362.37$377.84$357.79$373.77+4.05%2,038,249
Sep 14, 2026$350.22$372.00$350.22$359.23-1.86%2,839,591
Sep 8, 2026$391.63$396.21$365.70$366.04-6.27%1,924,818
Aug 31, 2026$387.50$390.86$371.65$390.53-0.73%2,699,970
Aug 24, 2026$403.40$407.37$387.45$393.39-2.35%2,153,840
Aug 17, 2026$421.24$425.56$402.44$402.87-4.54%2,076,645
Aug 10, 2026$437.83$439.96$415.00$422.01-4.04%2,390,543
Aug 3, 2026$422.12$456.50$420.88$439.77+5.74%3,373,575
Jul 27, 2026$547.54$558.13$411.41$415.88-23.15%5,245,571
Jul 20, 2026$545.36$545.36$523.16$541.13-0.51%1,522,883
Jul 13, 2026$550.94$564.95$535.02$543.93-1.47%2,096,008
Jul 6, 2026$569.34$574.17$529.17$552.03-3.16%1,823,029
Jun 29, 2026$560.45$587.27$555.14$570.03+1.09%2,166,408
Jun 22, 2026$532.22$580.11$519.48$563.87+5.91%2,600,224
Jun 15, 2026$522.69$543.67$512.68$532.43+3.96%1,362,993
Jun 8, 2026$508.31$532.26$493.54$512.15+0.73%1,519,117
Jun 1, 2026$497.03$542.19$489.53$508.43+1.25%1,765,092
May 26, 2026$489.83$519.42$481.49$502.16+3.62%1,966,281
May 18, 2026$500.19$503.41$475.22$484.64-3.07%2,051,028
May 11, 2026$520.58$525.61$497.06$499.99-4.08%1,772,939
May 4, 2026$525.73$551.50$510.37$521.25-0.97%1,992,437
Apr 27, 2026$493.53$551.17$492.17$526.33+7.20%3,629,124
Apr 20, 2026$484.07$504.72$481.73$490.97+0.79%1,999,225
Apr 13, 2026$503.51$524.43$467.78$487.11-3.60%2,989,923
Apr 6, 2026$451.16$508.24$444.88$505.31+11.15%1,860,967
Mar 30, 2026$445.52$476.69$436.79$454.64+3.83%1,793,089
Mar 23, 2026$484.08$489.05$434.06$437.87-6.41%2,605,058
Mar 16, 2026$485.00$490.53$464.65$467.88-2.72%1,905,686
Mar 9, 2026$506.95$520.37$471.01$480.96-7.06%1,992,607
Mar 2, 2026$560.50$566.27$504.99$517.47-9.21%2,249,461
Feb 23, 2026$562.02$573.63$532.50$569.94+1.59%2,258,677
Feb 17, 2026$566.22$574.29$545.56$561.01-1.00%2,012,427
Feb 9, 2026$530.23$575.50$520.39$566.65+6.92%2,860,617
Feb 2, 2026$492.11$541.34$488.15$529.98+7.05%2,855,350
Jan 26, 2026$509.50$517.21$472.00$495.08-2.88%3,449,432
Jan 20, 2026$515.35$522.27$500.75$509.76-3.06%2,638,157
Jan 12, 2026$528.43$539.57$518.66$525.87-0.82%1,557,495
Jan 5, 2026$499.00$536.52$490.78$530.23+6.28%2,176,709
Dec 29, 2025$499.75$499.80$484.93$498.91+0.15%758,385
Dec 22, 2025$496.76$499.53$486.81$498.16+0.25%844,525
Dec 15, 2025$509.55$509.55$486.48$496.92-1.75%2,461,872
Dec 8, 2025$510.00$525.00$497.54$505.76-1.15%2,407,463
Dec 1, 2025$491.35$512.09$481.60$511.63+2.56%2,815,012
Nov 24, 2025$462.13$500.38$462.13$498.87+7.26%2,025,474
Nov 17, 2025$469.79$470.40$443.19$465.12-1.35%1,967,066
Nov 10, 2025$493.50$498.78$466.88$471.50-4.21%1,827,145
Nov 3, 2025$501.64$501.64$481.07$492.22-2.53%2,497,872

Seasonality

LII return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average-0.1%2.4%-2.3%0.9%3.0%5.8%2.0%-0.7%-2.9%0.2%6.7%-1.7%
Months up6 of 106 of 105 of 105 of 106 of 108 of 106 of 106 of 102 of 104 of 108 of 92 of 9
20262.0%15.1%-18.3%15.2%-6.1%14.4%-27.4%-8.0%-6.9%-3.1%
2025-2.8%1.5%-6.7%-2.3%3.2%1.8%6.2%-8.4%-4.9%-4.6%-1.2%-2.4%
2024-4.3%10.1%4.0%-5.2%8.5%6.7%9.1%1.1%2.6%-0.3%10.7%-8.5%
20238.9%-2.2%-1.0%12.2%-2.3%18.8%12.7%2.9%-0.6%-1.0%9.7%10.3%
2022-12.6%-5.9%-3.1%-17.3%-2.0%-0.6%15.9%0.7%-7.3%4.9%11.5%-7.7%
20210.6%1.6%11.6%7.6%4.4%0.5%-6.1%1.7%-12.0%1.7%3.3%5.3%
2020-4.5%-2.1%-20.0%2.7%14.5%9.3%15.1%4.5%-2.5%-0.3%6.0%-4.5%
20194.8%7.0%8.1%2.7%-2.7%4.4%-6.7%-1.1%-4.0%1.8%3.4%-4.3%
20184.6%-6.1%0.1%-5.4%5.1%-1.2%8.5%2.6%-1.7%-3.4%7.1%-2.8%
20172.4%5.0%1.9%-1.1%7.1%4.0%-6.9%-3.1%8.3%6.8%9.7%-0.5%