NYSE · LII · stock
Lennox International INC (LII) stock price history
Every NYSE trading session of Lennox International INC from Jul 29, 1999 to Sep 28, 2026: 6,833 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
LII adjusted close, 1999 to 2026
- $667.14
- All time high, 2024
- $587.27
- 52 week high, $350.22 low
- 6,833
- Daily sessions since 1999
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1999 to 2026 series and minute bars.
LII key facts
- Lennox International INC (LII) closed at $368.41 on Sep 28, 2026 on NYSE.
- LII's all time high close is $667.14, set on Nov 25, 2024; its all time low close is $4.53 on Dec 4, 2000.
- LII's 52 week range is $350.22 to $587.27.
- LII returned -28.7% over the year to Sep 28, 2026 and +29.3% over five years.
- Over ten years LII returned +162%, +10.1% a year compounded.
- LII's deepest drawdown was -62.8% from Jul 30, 1999 to Dec 4, 2000.
- DataCedar holds 6,833 daily sessions of LII history from Jul 29, 1999 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
LII price chart, 1999 to 2026
LII returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -6.3% |
| 3 months | -34.5% |
| 6 months | -15.4% |
| Year to date | -24.8% |
| 1 year | -28.7% |
| 3 years | -0.3% |
| 5 years | +29.3% |
| 10 years | +162.3% |
| Since Jul 29, 1999 | +3,003% |
| Compound annual growth, 27.2 years | +13.5% |
LII records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $667.14 on Nov 25, 2024
- All time low close
- $4.53 on Dec 4, 2000
- 52 week high
- $587.27 on Jul 1, 2026
- 52 week low
- $350.22 on Sep 14, 2026
- Deepest drawdown
- -62.8% from Jul 30, 1999 to Dec 4, 2000, recovered May 23, 2002
- Best single session
- +17.9% on Jul 23, 2003
- Worst single session
- -24.5% on Oct 27, 1999
- Volatility, 1 year annualised
- 42.2%
- Sessions closing higher, 1 year
- 47%
- Growth of 1 since 1999
- 31.0×
- Best calendar year
- 2023, +90%
- Worst calendar year
- 2011, -27%
LII price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1999 starts on Jul 29, 1999; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $485.59 | $587.27 | $350.22 | $368.41 | -23.7% | 89M | 185 |
| 2025 | $605.68 | $682.27 | $439.68 | $483.00 | -19.5% | 104.6M | 250 |
| 2024 | $432.36 | $671.14 | $402.69 | $600.28 | +37.3% | 75.7M | 252 |
| 2023 | $235.01 | $440.67 | $224.16 | $437.31 | +89.5% | 76.6M | 250 |
| 2022 | $306.94 | $307.08 | $173.88 | $230.71 | -24.9% | 84.2M | 251 |
| 2021 | $257.45 | $334.82 | $250.04 | $307.39 | +19.7% | 64.8M | 252 |
| 2020 | $226.58 | $298.86 | $151.14 | $256.79 | +13.8% | 84.6M | 253 |
| 2019 | $197.47 | $274.34 | $192.35 | $225.66 | +12.8% | 81.4M | 252 |
| 2018 | $189.31 | $210.27 | $161.68 | $200.10 | +6.3% | 81.2M | 251 |
| 2017 | $138.08 | $192.70 | $131.90 | $188.18 | +37.4% | 85.8M | 251 |
| 2016 | $109.28 | $146.72 | $93.39 | $136.93 | +24.0% | 97.4M | 252 |
| 2015 | $83.05 | $122.14 | $81.17 | $110.40 | +33.0% | 103.4M | 252 |
| 2014 | $73.19 | $84.21 | $63.48 | $83.03 | +13.2% | 110.5M | 252 |
| 2013 | $45.75 | $74.26 | $45.75 | $73.33 | +64.1% | 98.7M | 252 |
| 2012 | $29.18 | $46.12 | $28.29 | $44.69 | +58.3% | 128.1M | 250 |
| 2011 | $39.21 | $44.56 | $20.16 | $28.24 | -27.3% | 148.9M | 252 |
| 2010 | $31.83 | $41.51 | $30.82 | $38.82 | +22.8% | 122M | 252 |
| 2009 | $25.76 | $33.29 | $18.68 | $31.62 | +23.0% | 145M | 252 |
| 2008 | $32.42 | $33.06 | $15.62 | $25.70 | -20.8% | 183.4M | 253 |
| 2007 | $23.70 | $32.85 | $22.42 | $32.43 | +37.3% | 143.2M | 251 |
| 2006 | $21.44 | $26.49 | $16.17 | $23.62 | +10.3% | 114.3M | 251 |
| 2005 | $14.77 | $23.14 | $13.97 | $21.41 | +41.1% | 90.8M | 252 |
| 2004 | $12.18 | $15.29 | $10.37 | $15.18 | +24.6% | 58.2M | 252 |
| 2003 | $9.11 | $12.77 | $8.47 | $12.18 | +36.5% | 45M | 252 |
| 2002 | $6.72 | $12.93 | $6.70 | $8.93 | +32.9% | 63M | 252 |
| 2001 | $5.17 | $8.11 | $5.04 | $6.72 | +30.0% | 18.5M | 248 |
| 2000 | $6.14 | $9.89 | $4.48 | $5.17 | -12.3% | 31M | 252 |
| 1999 | $12.11 | $12.59 | $5.70 | $5.90 | n/a | 22M | 109 |
LII monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $368.41 | -3.7% |
| August 2026 | $382.64 | -8.0% |
| July 2026 | $415.88 | -27.4% |
| June 2026 | $572.95 | +14.4% |
| May 2026 | $500.96 | -6.1% |
| April 2026 | $533.61 | +15.2% |
| March 2026 | $463.02 | -18.3% |
| February 2026 | $566.91 | +15.1% |
| January 2026 | $492.45 | +2.0% |
| December 2025 | $483.00 | -2.4% |
| November 2025 | $494.91 | -1.2% |
| October 2025 | $501.00 | -4.6% |
About the LII data
Daily bars. 6,833 sessions from Jul 29, 1999 to Sep 28, 2026, one row per NYSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 25, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are NYSE trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jul 29, 1999, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/LII/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE
Common questions
LII share price history
