Lennox International Stock Price History
NYSE: LIIIndustrialsIndustrial Machinery/ComponentsUSD
356.44-5.10 (-1.41%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
LII price history at a glance
The price history for Lennox International (LII) on this page begins on July 26, 1999, when the stock closed at $19.19; it most recently closed at $356.44 on October 5, 2026. The highest price in this record is $689.44, reached on July 21, 2025; the latest close is 48.3% below that peak. Across the 26 complete calendar years in the table, LII finished higher in 21 and lower in 5. Its best year was 2023 (+87.1%) and its worst was 2011 (-28.6%).
Over roughly 27 years the share price changed +1757.7%, a 11.3% compound annual price return (excluding dividends). In the last 12 months alone, LII has lost 33.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1999
- $689.44
- Date of high
- Jul 21, 2025
- Low since 1999
- $6.81
- Date of low
- Oct 23, 2000
- 52-week high
- $587.27
- 52-week low
- $350.22
- IPO year
- 1999
- Last close
- $356.44
LII returns
1 week
+0.04%
1 month
-5.15%
3 months
-35.43%
6 months
-29.46%
Year to date
-26.59%
1 year
-33.29%
3 years
-3.60%
5 years
+15.29%
LII price return, excluding dividends.
LII annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 356.44 | -28.56% |
| 2025 | 498.91 | -18.57% |
| 2024 | 612.71 | +36.91% |
| 2023 | 447.52 | +87.07% |
| 2022 | 239.23 | -26.25% |
| 2021 | 324.36 | +18.39% |
| 2020 | 273.97 | +12.52% |
| 2019 | 243.49 | +10.87% |
| 2018 | 219.61 | +5.45% |
| 2017 | 208.26 | +35.97% |
| 2016 | 153.17 | +22.63% |
| 2015 | 124.90 | +32.10% |
| 2014 | 94.55 | +11.01% |
| 2013 | 85.17 | +55.65% |
| 2012 | 54.72 | +62.13% |
| 2011 | 33.75 | -28.63% |
| 2010 | 47.29 | +21.13% |
| 2009 | 39.04 | +16.75% |
| 2008 | 33.44 | -12.37% |
| 2007 | 38.16 | +24.67% |
| 2006 | 30.61 | +8.55% |
| 2005 | 28.20 | +38.57% |
| 2004 | 20.35 | +21.06% |
| 2003 | 16.81 | +26.58% |
| 2002 | 13.28 | +30.84% |
| 2001 | 10.15 | +30.97% |
| 2000 | 7.75 | -15.65% |
| 1999* | 9.19 | -52.12% |
* Partial year: the record begins after the start of 1999; return measured from the first available close.
2026 return is year to date.
LII daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 362.87 | 360.69 | 354.00 | 356.44 | -1.41% | |
| 352.55 | 363.90 | 350.65 | 361.54 | +0.87% | |
| 359.46 | 360.63 | 352.79 | 358.43 | -1.97% | |
| 363.29 | 371.84 | 361.30 | 365.63 | +1.24% | |
| 353.57 | 364.72 | 350.64 | 361.15 | +1.36% | |
| 366.27 | 367.81 | 356.03 | 356.30 | -1.15% | |
| 354.14 | 361.93 | 351.34 | 360.46 | +1.53% | |
| 360.63 | 360.66 | 354.86 | 355.02 | -1.43% | |
| 369.43 | 370.43 | 359.10 | 360.16 | -2.24% | |
| 370.25 | 373.47 | 363.87 | 368.41 | -1.43% | |
| 368.09 | 377.84 | 366.07 | 373.77 | +1.63% | |
| 370.21 | 372.01 | 365.77 | 367.78 | -1.22% | |
| 368.23 | 374.32 | 368.23 | 372.34 | +0.18% | |
| 370.67 | 372.48 | 363.05 | 371.68 | +2.21% | |
| 362.37 | 366.79 | 357.79 | 363.64 | +1.23% | |
| 359.36 | 361.77 | 356.90 | 359.23 | +0.04% | |
| 368.72 | 372.00 | 355.58 | 359.08 | -0.54% | |
| 365.39 | 368.09 | 359.11 | 361.04 | -0.32% | |
| 366.19 | 366.42 | 355.69 | 362.19 | -0.91% | |
| 350.22 | 368.60 | 350.22 | 365.51 | -0.14% | |
| 376.85 | 378.48 | 365.75 | 366.04 | -1.77% | |
| 370.08 | 375.29 | 365.70 | 372.62 | -0.84% | |
| 383.05 | 387.10 | 374.77 | 375.78 | -2.44% | |
| 391.63 | 396.21 | 383.82 | 385.18 | -1.37% | |
| 382.20 | 390.73 | 382.20 | 390.53 | +1.15% | |
| 377.10 | 388.27 | 374.74 | 386.08 | +3.23% | |
| 376.38 | 377.69 | 371.65 | 374.00 | -0.86% | |
| 378.45 | 383.30 | 376.42 | 377.25 | -1.41% | |
| 387.50 | 390.86 | 381.82 | 382.64 | -2.73% | |
| 395.28 | 395.28 | 387.91 | 393.39 | +0.57% | |
| 394.35 | 396.96 | 388.16 | 391.15 | -0.65% | |
| 391.84 | 400.03 | 390.44 | 393.72 | +1.20% | |
| 405.53 | 405.60 | 387.45 | 389.06 | -2.52% | |
| 403.40 | 407.37 | 394.80 | 399.10 | -0.94% | |
| 409.29 | 410.54 | 402.44 | 402.87 | -0.78% | |
| 413.05 | 416.28 | 404.20 | 406.05 | -3.17% | |
| 418.02 | 423.25 | 415.00 | 419.34 | +2.02% | |
| 416.00 | 416.15 | 407.94 | 411.05 | -1.22% | |
| 421.24 | 425.56 | 412.40 | 416.13 | -1.39% | |
| 416.83 | 424.49 | 415.00 | 422.01 | +0.88% | |
| 425.68 | 427.01 | 416.01 | 418.31 | -0.62% | |
| 438.19 | 438.20 | 419.23 | 420.91 | -2.30% | |
| 425.37 | 432.37 | 424.17 | 430.83 | +1.78% | |
| 437.83 | 439.96 | 421.45 | 423.28 | -3.75% | |
| 434.30 | 444.10 | 434.30 | 439.77 | +0.93% | |
| 444.72 | 448.96 | 434.36 | 435.73 | -2.49% | |
| 442.77 | 456.50 | 442.77 | 446.87 | +0.03% | |
| 440.64 | 448.60 | 435.06 | 446.74 | +2.70% | |
| 422.12 | 435.77 | 420.88 | 435.00 | +4.60% | |
| 421.97 | 427.67 | 415.27 | 415.88 | -0.38% | |
| 430.01 | 433.14 | 411.41 | 417.45 | -2.92% | |
| 491.00 | 491.90 | 428.00 | 430.02 | -20.97% | |
| 541.74 | 553.38 | 532.40 | 544.11 | -0.59% | |
| 547.54 | 558.13 | 542.52 | 547.35 | +1.15% | |
| 535.49 | 544.64 | 532.25 | 541.13 | +0.60% | |
| 533.97 | 541.92 | 529.82 | 537.89 | +0.96% | |
| 530.85 | 537.67 | 530.34 | 532.78 | +0.55% | |
| 536.48 | 538.20 | 523.16 | 529.88 | -0.69% | |
| 545.36 | 545.36 | 530.60 | 533.58 | -1.90% | |
| 549.56 | 561.15 | 538.92 | 543.93 | -2.62% | |
| 542.54 | 558.94 | 542.07 | 558.57 | +1.80% | |
| 561.67 | 562.00 | 535.02 | 548.67 | -2.51% | |
| 558.92 | 564.95 | 553.95 | 562.77 | +2.10% | |
| 550.94 | 560.21 | 545.43 | 551.18 | -0.15% | |
| 540.55 | 555.93 | 539.07 | 552.03 | +2.70% | |
| 542.87 | 545.56 | 529.17 | 537.50 | -0.05% | |
| 546.87 | 546.87 | 535.63 | 537.76 | -3.44% | |
| 566.03 | 566.03 | 549.66 | 556.93 | -1.95% | |
| 569.34 | 574.17 | 559.69 | 568.00 | -0.36% | |
| 573.07 | 578.87 | 561.10 | 570.03 | -0.18% | |
| 568.06 | 587.27 | 564.24 | 571.08 | -0.33% | |
| 575.93 | 582.99 | 569.72 | 572.95 | +0.72% | |
| 560.45 | 571.37 | 555.14 | 568.83 | +0.88% | |
| 566.03 | 569.37 | 558.80 | 563.87 | -1.20% | |
| 559.82 | 580.11 | 558.96 | 570.73 | +3.44% | |
| 528.97 | 555.86 | 528.97 | 551.75 | +5.38% | |
| 527.91 | 531.05 | 519.48 | 523.59 | -2.32% | |
| 532.22 | 538.66 | 528.54 | 536.04 | +0.68% | |
| 531.60 | 543.67 | 529.77 | 532.43 | +3.16% | |
| 527.85 | 537.68 | 512.68 | 516.11 | -2.31% | |
| 527.71 | 534.66 | 522.90 | 528.33 | +0.79% | |
| 522.69 | 532.03 | 522.10 | 524.17 | +2.35% | |
| 521.24 | 523.70 | 508.78 | 512.15 | -0.94% | |
| 508.70 | 517.61 | 493.54 | 517.03 | +2.42% | |
| 526.84 | 530.61 | 504.56 | 504.80 | -4.58% | |
| 519.89 | 532.26 | 514.00 | 529.04 | +3.04% | |
| 508.31 | 522.61 | 501.71 | 513.45 | +0.99% | |
| 510.99 | 515.61 | 503.76 | 508.43 | -1.86% | |
| 520.80 | 526.50 | 514.55 | 518.08 | +0.54% | |
| 515.03 | 526.95 | 510.51 | 515.30 | -0.21% | |
| 541.47 | 542.19 | 511.92 | 516.37 | +3.95% | |
| 497.03 | 508.43 | 489.53 | 496.77 | -1.07% | |
| 493.53 | 510.04 | 490.59 | 502.16 | +1.03% | |
| 492.00 | 500.44 | 481.49 | 497.02 | -1.22% | |
| 509.24 | 519.42 | 502.19 | 503.16 | +0.12% | |
| 489.83 | 507.75 | 488.45 | 502.56 | +3.70% | |
| 484.80 | 492.32 | 476.67 | 484.64 | +0.86% | |
| 487.95 | 492.00 | 475.22 | 480.51 | -2.60% | |
| 484.27 | 497.17 | 477.06 | 493.33 | +2.20% | |
| 494.43 | 494.43 | 479.65 | 482.69 | -3.73% | |
| 500.19 | 503.41 | 491.63 | 501.41 | +0.28% | |
| 510.83 | 511.93 | 497.06 | 499.99 | -2.80% | |
| 510.73 | 515.54 | 503.87 | 514.38 | +1.36% | |
| 506.62 | 509.94 | 499.82 | 507.50 | -0.21% | |
| 521.12 | 521.24 | 506.84 | 508.55 | -2.48% | |
| 520.58 | 525.61 | 513.74 | 521.48 | +0.04% | |
| 528.00 | 534.07 | 520.90 | 521.25 | -1.02% | |
| 543.94 | 551.50 | 524.46 | 526.61 | -2.73% | |
| 537.57 | 547.33 | 537.43 | 541.37 | +3.67% | |
| 516.00 | 523.81 | 511.26 | 522.20 | +1.43% | |
| 525.73 | 530.87 | 510.37 | 514.86 | -2.18% | |
| 539.58 | 543.01 | 526.10 | 526.33 | -1.60% | |
| 532.02 | 551.17 | 530.03 | 534.89 | +3.34% | |
| 522.83 | 535.42 | 511.94 | 517.62 | +4.46% | |
| 503.45 | 508.08 | 493.59 | 495.52 | -1.34% | |
| 493.53 | 504.31 | 492.17 | 502.24 | +2.30% | |
| 493.10 | 499.20 | 488.48 | 490.97 | -0.55% | |
| 491.38 | 500.04 | 484.77 | 493.67 | +0.80% | |
| 499.82 | 499.82 | 488.38 | 489.76 | -0.59% | |
| 493.85 | 504.72 | 490.49 | 492.69 | -0.16% | |
| 484.07 | 493.74 | 481.73 | 493.46 | +1.30% | |
| 484.06 | 502.54 | 483.74 | 487.11 | +1.65% | |
| 485.71 | 488.78 | 470.90 | 479.22 | -1.05% | |
| 515.09 | 515.09 | 467.78 | 484.29 | -6.94% | |
| 517.33 | 524.43 | 513.49 | 520.42 | +0.49% | |
| 503.51 | 519.36 | 503.51 | 517.88 | +2.49% | |
| 491.25 | 508.24 | 484.54 | 505.31 | +3.40% | |
| 474.06 | 492.06 | 474.06 | 488.68 | +2.22% | |
| 474.25 | 482.22 | 468.97 | 478.08 | +6.09% | |
| 449.29 | 454.11 | 444.88 | 450.65 | -0.65% | |
| 451.16 | 457.43 | 446.39 | 453.59 | -0.23% | |
| 456.63 | 469.13 | 448.98 | 454.64 | -2.19% | |
| 466.35 | 476.69 | 462.21 | 464.84 | +0.15% | |
| 460.71 | 468.38 | 451.39 | 464.13 | +4.54% | |
| 445.52 | 449.76 | 436.79 | 443.99 | +1.40% | |
| 441.77 | 447.37 | 434.06 | 437.87 | -0.10% | |
| 476.83 | 481.95 | 437.86 | 438.30 | -9.01% | |
| 485.10 | 489.05 | 471.14 | 481.68 | +0.99% | |
| 469.63 | 481.28 | 462.81 | 476.97 | +0.00% | |
| 484.08 | 487.14 | 476.31 | 476.96 | +1.94% | |
| 477.42 | 477.42 | 464.65 | 467.88 | -1.96% | |
| 471.26 | 482.41 | 467.98 | 477.21 | -0.16% | |
| 482.40 | 490.53 | 476.84 | 477.99 | -1.85% | |
| 482.59 | 488.04 | 472.49 | 486.98 | +1.70% | |
| 485.00 | 488.74 | 477.99 | 478.86 | -0.44% | |
| 487.44 | 489.95 | 471.01 | 480.96 | -0.28% | |
| 504.54 | 506.25 | 480.66 | 482.30 | -5.18% | |
| 512.06 | 512.06 | 500.55 | 508.66 | -0.63% | |
| 515.23 | 520.37 | 508.11 | 511.86 | -0.99% | |
| 506.95 | 520.02 | 495.34 | 516.96 | -0.10% | |
| 520.38 | 521.23 | 504.99 | 517.47 | -2.13% | |
| 544.59 | 549.63 | 524.97 | 528.72 | -3.99% | |
| 557.42 | 557.42 | 536.00 | 550.67 | -0.30% | |
| 546.86 | 555.64 | 536.50 | 552.30 | -1.97% | |
| 560.50 | 566.27 | 549.63 | 563.40 | -1.15% | |
| 546.34 | 573.63 | 543.41 | 569.94 | +4.69% | |
| 541.94 | 548.27 | 533.06 | 544.41 | +0.83% | |
| 558.30 | 558.30 | 532.50 | 539.95 | -3.29% | |
| 553.92 | 569.83 | 553.92 | 558.32 | +0.63% | |
| 562.02 | 564.91 | 547.94 | 554.84 | -1.10% | |
| 552.47 | 572.66 | 549.12 | 561.01 | +1.94% | |
| 551.11 | 562.62 | 545.56 | 550.32 | -0.64% | |
| 561.78 | 568.35 | 547.41 | 553.89 | -2.05% | |
| 566.22 | 574.29 | 555.59 | 565.50 | -0.20% | |
| 558.37 | 567.18 | 554.08 | 566.65 | +1.45% | |
| 562.35 | 575.50 | 553.94 | 558.55 | +0.19% | |
| 546.82 | 557.69 | 545.81 | 557.51 | +1.63% | |
| 533.04 | 549.37 | 529.96 | 548.56 | +3.64% | |
| 530.23 | 534.96 | 520.39 | 529.29 | -0.13% | |
| 524.97 | 534.83 | 524.97 | 529.98 | +2.48% | |
| 529.41 | 534.51 | 506.79 | 517.15 | -3.25% | |
| 514.50 | 541.34 | 514.50 | 534.53 | +5.12% | |
| 492.14 | 513.81 | 491.29 | 508.49 | +2.67% | |
| 492.11 | 498.02 | 488.15 | 495.29 | +0.04% | |
| 495.34 | 497.15 | 485.49 | 495.08 | -0.21% | |
| 489.10 | 498.01 | 480.81 | 496.11 | +1.77% | |
| 484.32 | 506.84 | 472.00 | 487.49 | -2.27% | |
| 510.81 | 516.15 | 498.32 | 498.80 | -2.66% | |
| 509.50 | 517.21 | 506.18 | 512.41 | +0.52% | |
| 508.15 | 511.24 | 501.18 | 509.76 | +0.02% | |
| 518.03 | 522.27 | 501.16 | 509.68 | -1.31% | |
| 509.66 | 516.50 | 500.75 | 516.42 | +2.17% | |
| 515.35 | 516.30 | 503.98 | 505.44 | -3.88% | |
| 524.64 | 531.86 | 521.32 | 525.87 | +0.68% | |
| 530.32 | 530.32 | 518.66 | 522.33 | -0.56% | |
| 530.25 | 532.38 | 519.40 | 525.25 | -1.08% | |
| 535.64 | 539.57 | 528.00 | 531.00 | -0.42% | |
| 528.43 | 538.09 | 528.08 | 533.25 | +0.57% | |
| 524.12 | 536.52 | 521.46 | 530.23 | +2.63% | |
| 506.30 | 523.04 | 502.49 | 516.62 | +2.31% | |
| 524.37 | 524.37 | 503.23 | 504.97 | -2.86% | |
| 495.00 | 520.42 | 490.78 | 519.85 | +3.17% | |
| 499.00 | 511.21 | 495.13 | 503.90 | +1.00% | |
| 488.18 | 499.67 | 484.93 | 498.91 | +2.75% | |
| 492.53 | 494.43 | 485.42 | 485.58 | -1.70% | |
| 494.50 | 499.01 | 490.96 | 494.00 | -0.52% | |
| 499.75 | 499.80 | 493.46 | 496.58 | -0.32% | |
| 495.75 | 499.53 | 494.65 | 498.16 | +0.19% | |
| 496.16 | 498.65 | 491.37 | 497.23 | +0.54% | |
| 495.97 | 497.40 | 490.08 | 494.55 | -0.19% | |
| 496.76 | 497.35 | 486.81 | 495.48 | -0.29% | |
| 492.67 | 499.01 | 491.13 | 496.92 | +0.59% | |
| 494.02 | 508.94 | 491.42 | 494.01 | +1.34% | |
| 490.20 | 495.00 | 486.48 | 487.47 | -1.01% | |
| 498.44 | 500.49 | 488.21 | 492.43 | -0.75% | |
| 509.55 | 509.55 | 493.65 | 496.13 | -1.90% | |
| 517.00 | 518.71 | 504.47 | 505.76 | -1.77% | |
| 509.84 | 525.00 | 506.91 | 514.86 | +1.80% | |
| 502.88 | 511.17 | 499.12 | 505.78 | +1.06% | |
| 499.86 | 502.71 | 497.54 | 500.49 | -0.58% | |
| 510.00 | 514.64 | 498.56 | 503.43 | -1.60% | |
| 505.75 | 512.09 | 503.42 | 511.63 | +1.37% | |
| 497.00 | 509.70 | 489.58 | 504.73 | +0.94% | |
| 487.33 | 506.54 | 486.00 | 500.01 | +2.61% | |
| 492.03 | 492.03 | 481.60 | 487.29 | -0.44% | |
| 491.35 | 497.74 | 487.92 | 489.46 | -1.89% | |
| 496.32 | 500.38 | 493.36 | 498.87 | +1.11% | |
| 481.72 | 499.65 | 481.72 | 493.40 | +1.91% | |
| 471.23 | 485.85 | 467.37 | 484.16 | +4.08% | |
| 462.13 | 476.34 | 462.13 | 465.17 | +0.01% | |
| 449.19 | 470.40 | 445.72 | 465.12 | +4.70% | |
| 451.02 | 455.48 | 443.19 | 444.26 | -0.49% | |
| 459.50 | 459.50 | 444.40 | 446.44 | -2.00% | |
| 457.31 | 461.16 | 452.41 | 455.54 | -0.95% | |
| 469.79 | 469.79 | 458.22 | 459.89 | -2.46% | |
| 473.99 | 481.58 | 469.79 | 471.50 | -1.08% | |
| 481.84 | 488.98 | 475.41 | 476.66 | -0.06% | |
| 489.06 | 498.78 | 466.88 | 476.95 | -2.14% | |
| 491.21 | 496.21 | 486.47 | 487.39 | -0.41% | |
| 493.50 | 495.18 | 481.38 | 489.42 | -0.57% | |
| 487.60 | 494.06 | 482.01 | 492.22 | +0.25% | |
| 489.00 | 493.61 | 486.03 | 491.00 | +0.21% | |
| 488.96 | 495.09 | 481.07 | 489.99 | -0.44% | |
| 490.84 | 494.21 | 486.09 | 492.16 | -0.35% | |
| 501.64 | 501.64 | 488.02 | 493.88 | -2.20% | |
| 495.69 | 505.34 | 491.00 | 505.00 | +1.88% | |
| 483.91 | 508.74 | 479.40 | 495.69 | +1.62% | |
| 499.37 | 507.54 | 487.58 | 487.78 | -2.67% | |
| 496.62 | 510.96 | 496.62 | 501.16 | -0.21% | |
| 498.27 | 506.75 | 491.40 | 502.22 | +1.21% | |
| 502.91 | 502.91 | 490.58 | 496.24 | +0.25% | |
| 490.32 | 504.24 | 490.32 | 494.99 | +0.39% | |
| 550.00 | 568.98 | 485.47 | 493.07 | -10.19% | |
| 534.74 | 553.68 | 532.31 | 548.99 | +2.66% | |
| 526.39 | 538.17 | 525.96 | 534.75 | +2.26% | |
| 520.34 | 525.18 | 516.79 | 522.95 | -0.19% | |
| 530.94 | 530.94 | 520.71 | 523.94 | -0.58% | |
| 526.39 | 539.01 | 523.13 | 526.99 | -0.73% | |
| 520.22 | 532.04 | 517.37 | 530.84 | +1.26% | |
| 529.14 | 530.20 | 519.08 | 524.25 | -0.05% | |
| 537.26 | 541.31 | 523.70 | 524.50 | -1.84% | |
| 553.54 | 553.67 | 533.81 | 534.34 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the LII chart for longer ranges.