Lennox International Inc. (LII) NYSE
Currency In USD
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LII Historical Return
If you invested $1000 in Lennox International Inc. (LII) 10 years ago, it would be worth $2,670.73 as of September 11, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,230.13, while $1000 invested 1 year ago would be worth $662.18. This corresponds to total returns of 167.07%, 23.01%, -33.78%, respectively, with annualized returns of 10.32%, 4.23%, -33.78%.
Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.
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LII Historical Data
Date Range:
| Date | Open | Close | Adj Close | High | Low | Volume |
|---|---|---|---|---|---|---|
| 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 |
| July 27, 2026 | 547.54 | 547.35 | 547.35 | 558.13 | 542.52 | 465,588 |
| July 23, 2026 | 533.97 | 537.89 | 537.89 | 541.92 | 529.82 | 292,287 |
| July 22, 2026 | 530.85 | 532.78 | 532.78 | 537.67 | 530.34 | 210,876 |
| July 21, 2026 | 536.48 | 529.88 | 529.88 | 538.2 | 523.16 | 286,847 |
| July 20, 2026 | 545.36 | 533.58 | 533.58 | 545.36 | 530.6 | 449,350 |
| July 17, 2026 | 549.56 | 543.93 | 543.93 | 561.15 | 538.92 | 407,197 |
| July 16, 2026 | 542.54 | 558.57 | 558.57 | 558.94 | 542.07 | 243,276 |
| July 15, 2026 | 561.67 | 548.67 | 548.67 | 562 | 535.02 | 511,094 |
| July 14, 2026 | 558.92 | 562.77 | 562.77 | 564.95 | 553.95 | 438,004 |
| July 13, 2026 | 550.94 | 551.18 | 551.18 | 560.21 | 545.43 | 368,278 |
| July 10, 2026 | 540.55 | 552.03 | 552.03 | 555.93 | 539.07 | 254,010 |
| July 09, 2026 | 542.87 | 537.5 | 537.5 | 545.55 | 529.17 | 465,336 |
| July 08, 2026 | 546.87 | 537.76 | 537.76 | 546.87 | 535.63 | 329,973 |
| July 07, 2026 | 566.03 | 556.93 | 556.93 | 566.03 | 549.66 | 387,501 |
| July 06, 2026 | 569.34 | 568 | 568 | 574.17 | 559.69 | 324,231 |
| July 02, 2026 | 573.07 | 570.03 | 570.03 | 578.87 | 561.1 | 542,385 |
| July 01, 2026 | 568.06 | 571.08 | 571.08 | 587.27 | 564.24 | 591,191 |
| June 30, 2026 | 575.93 | 572.95 | 572.95 | 582.99 | 569.72 | 525,951 |
| June 29, 2026 | 560.45 | 568.83 | 568.83 | 571.37 | 555.14 | 495,821 |
| June 26, 2026 | 566.03 | 563.87 | 563.87 | 569.37 | 558.8 | 984,407 |
| June 25, 2026 | 559.82 | 570.73 | 570.73 | 580.11 | 558.96 | 508,835 |
| June 24, 2026 | 528.97 | 551.75 | 551.75 | 555.86 | 528.97 | 446,741 |
| June 23, 2026 | 527.91 | 523.59 | 523.59 | 531.05 | 519.48 | 348,275 |
| June 22, 2026 | 532.22 | 536.04 | 536.04 | 538.66 | 528.54 | 293,894 |
| June 18, 2026 | 531.6 | 532.43 | 532.43 | 543.67 | 529.77 | 530,339 |
| June 17, 2026 | 527.85 | 516.11 | 516.11 | 537.68 | 512.67 | 321,529 |
| June 16, 2026 | 527.71 | 528.33 | 528.33 | 534.66 | 522.9 | 222,890 |
| June 15, 2026 | 522.69 | 524.17 | 524.17 | 532.03 | 522.1 | 286,008 |
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