Lennox International Inc. (LII) NYSE
Currency In USD
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Currency In USD
If you invested $1000 in Lennox International Inc. (LII) 10 years ago, it would be worth $2,835.89 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,283.12, while $1000 invested 1 year ago would be worth $773.91. This corresponds to total returns of 183.59%, 28.31%, -22.61%, respectively, with annualized returns of 10.99%, 5.11%, -22.61%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| October 21, 2026 | 366.56 | 366.37 | 366.37 | 367.42 | 361.11 | 409,310 |
| October 20, 2026 | 355.84 | 363.77 | 363.77 | 364.66 | 354.66 | 398,275 |
| October 19, 2026 | 359.65 | 355.78 | 355.78 | 359.65 | 351.94 | 367,752 |
| October 16, 2026 | 357.38 | 357.73 | 357.73 | 363.17 | 353.14 | 589,531 |
| October 15, 2026 | 351.69 | 358.5 | 358.5 | 359.66 | 347.72 | 901,256 |
| October 14, 2026 | 345 | 348.84 | 348.84 | 349.46 | 341.57 | 625,676 |
| October 13, 2026 | 352.26 | 350.13 | 350.13 | 355.79 | 340.32 | 675,718 |
| October 12, 2026 | 355.59 | 356.72 | 356.72 | 361.86 | 354 | 283,373 |
| October 09, 2026 | 362.87 | 356.44 | 356.44 | 362.87 | 354 | 377,497 |
| October 08, 2026 | 352.55 | 361.54 | 361.54 | 363.9 | 350.65 | 485,978 |
| October 07, 2026 | 359.46 | 358.43 | 358.43 | 360.63 | 352.79 | 339,615 |
| October 06, 2026 | 363.29 | 365.63 | 365.63 | 371.84 | 361.3 | 434,673 |
| October 05, 2026 | 353.57 | 361.15 | 361.15 | 364.72 | 350.64 | 435,747 |
| October 02, 2026 | 366.27 | 356.3 | 356.3 | 367.81 | 356.03 | 504,967 |
| October 01, 2026 | 354.14 | 360.46 | 360.46 | 361.93 | 351.34 | 548,739 |
| September 30, 2026 | 360.63 | 355.02 | 355.02 | 360.66 | 354.86 | 540,997 |
| September 29, 2026 | 369.43 | 360.16 | 360.16 | 370.43 | 359.1 | 579,207 |
| September 28, 2026 | 370.25 | 368.41 | 368.41 | 373.47 | 363.87 | 461,730 |
| September 25, 2026 | 368.09 | 373.77 | 373.77 | 377.84 | 366.07 | 474,542 |
| September 24, 2026 | 370.21 | 367.78 | 367.78 | 372.01 | 365.77 | 377,706 |
| September 23, 2026 | 368.23 | 372.34 | 372.34 | 374.32 | 368.23 | 379,691 |
| September 22, 2026 | 370.67 | 371.68 | 371.68 | 372.44 | 363.05 | 430,406 |
| September 21, 2026 | 362.37 | 363.64 | 363.64 | 366.79 | 357.8 | 369,689 |
| September 18, 2026 | 359.36 | 359.23 | 359.23 | 361.77 | 356.9 | 892,678 |
| September 17, 2026 | 368.72 | 359.08 | 359.08 | 372 | 355.58 | 378,645 |
| September 16, 2026 | 365.39 | 361.04 | 361.04 | 368.09 | 359.11 | 421,322 |
| September 15, 2026 | 366.19 | 362.19 | 362.19 | 366.42 | 355.69 | 556,310 |
| September 11, 2026 | 376.85 | 366.04 | 366.04 | 378.48 | 365.75 | 581,060 |
| September 10, 2026 | 370.08 | 372.62 | 372.62 | 375.29 | 365.7 | 462,903 |
| September 09, 2026 | 383.05 | 375.78 | 375.78 | 387.1 | 374.77 | 374,892 |
| September 08, 2026 | 391.63 | 385.18 | 385.18 | 396.21 | 383.82 | 501,377 |
| September 04, 2026 | 382.2 | 390.53 | 390.53 | 390.73 | 382.2 | 443,804 |
| September 03, 2026 | 377.1 | 386.08 | 386.08 | 388.27 | 374.74 | 742,779 |
| September 02, 2026 | 376.38 | 374 | 374 | 377.69 | 371.65 | 390,681 |
| September 01, 2026 | 378.45 | 377.25 | 377.25 | 383.3 | 376.42 | 463,528 |
| August 31, 2026 | 387.5 | 382.64 | 382.64 | 390.86 | 381.82 | 640,299 |
| August 28, 2026 | 395.28 | 393.39 | 393.39 | 395.28 | 387.91 | 370,375 |
| August 27, 2026 | 394.35 | 391.15 | 391.15 | 396.96 | 388.16 | 437,916 |
| August 26, 2026 | 391.84 | 393.72 | 393.72 | 400.03 | 390.44 | 467,876 |
| August 25, 2026 | 405.53 | 389.06 | 389.06 | 405.6 | 387.45 | 569,190 |
| August 24, 2026 | 403.4 | 399.1 | 399.1 | 407.37 | 394.8 | 307,784 |
| August 21, 2026 | 409.29 | 402.87 | 402.87 | 410.54 | 402.44 | 424,471 |
| August 20, 2026 | 413.05 | 406.05 | 406.05 | 416.28 | 404.2 | 518,206 |
| August 19, 2026 | 418.02 | 419.34 | 419.34 | 423.25 | 415 | 374,761 |
| August 18, 2026 | 416 | 411.05 | 411.05 | 416.15 | 407.94 | 353,448 |
| August 17, 2026 | 421.24 | 416.13 | 416.13 | 425.56 | 412.4 | 404,750 |
| August 14, 2026 | 416.83 | 422.01 | 422.01 | 424.49 | 415 | 524,530 |
| August 13, 2026 | 425.68 | 418.31 | 418.31 | 427.01 | 416.01 | 595,596 |
| August 12, 2026 | 438.19 | 420.91 | 420.91 | 438.2 | 419.23 | 350,226 |
| August 11, 2026 | 425.37 | 430.83 | 430.83 | 432.37 | 424.17 | 390,261 |
| August 10, 2026 | 437.83 | 423.28 | 423.28 | 439.96 | 421.45 | 521,245 |
| August 07, 2026 | 434.3 | 439.77 | 439.77 | 444.1 | 434.3 | 504,757 |
| August 06, 2026 | 444.72 | 435.73 | 435.73 | 448.96 | 434.36 | 584,002 |
| August 05, 2026 | 442.77 | 446.87 | 446.87 | 456.5 | 442.77 | 738,435 |
| August 04, 2026 | 440.64 | 446.74 | 446.74 | 448.6 | 435.06 | 623,133 |
| August 03, 2026 | 422.12 | 435 | 435 | 435.77 | 420.88 | 785,498 |
| July 31, 2026 | 421.97 | 415.88 | 415.88 | 427.67 | 415.27 | 883,413 |
| July 30, 2026 | 430.01 | 417.45 | 417.45 | 433.14 | 411.41 | 919,955 |
| July 29, 2026 | 491 | 430.02 | 430.02 | 491.9 | 428 | 1.87M |
| July 28, 2026 | 541.74 | 544.11 | 544.11 | 553.38 | 532.4 | 1.01M |