Nasdaq · LNT · stock
Alliant Energy Corp. (LNT) stock price history
Every Nasdaq trading session of Alliant Energy Corp. from Feb 21, 1973 to Nov 11, 2026: 13,299 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.
LNT adjusted close, 1973 to 2026
- $78.03
- All time high, 2026
- $78.81
- 52 week high, $62.54 low
- 13,299
- Daily sessions since 1973
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 1973 to 2026 series and minute bars.
LNT key facts
- Alliant Energy Corp. (LNT) closed at $73.62 on Nov 11, 2026 on Nasdaq.
- LNT's all time high close is $78.03, set on Jul 2, 2026; its all time low close is $0.4832 on Sep 12, 1974.
- LNT's 52 week range is $62.54 to $78.81.
- LNT returned +9.9% over the year to Nov 11, 2026 and +54.4% over five years.
- Over ten years LNT returned +181%, +10.9% a year compounded.
- LNT's deepest drawdown was -51.7% from Apr 25, 2007 to Mar 9, 2009.
- DataCedar holds 13,299 daily sessions of LNT history from Feb 21, 1973 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
LNT price chart, 1973 to 2026
LNT returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +11.8% |
| 3 months | +7.3% |
| 6 months | +1.6% |
| Year to date | +14.3% |
| 1 year | +9.9% |
| 3 years | +64.9% |
| 5 years | +54.4% |
| 10 years | +180.7% |
| Since Feb 21, 1973 | +10,120% |
| Compound annual growth, 53.7 years | +9.0% |
LNT records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $78.03 on Jul 2, 2026
- All time low close
- $0.4832 on Sep 12, 1974
- 52 week high
- $78.81 on Jul 7, 2026
- 52 week low
- $62.54 on Oct 1, 2026
- Deepest drawdown
- -51.7% from Apr 25, 2007 to Mar 9, 2009, recovered Feb 10, 2011
- Best single session
- +14.9% on Oct 14, 2008
- Worst single session
- -23.4% on Jul 19, 2002
- Volatility, 1 year annualised
- 17.5%
- Sessions closing higher, 1 year
- 54%
- Growth of 1 since 1973
- 102×
- Best calendar year
- 2003, +59%
- Worst calendar year
- 2002, -40%
LNT 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. 1973 starts on Feb 21, 1973; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $64.01 | $78.81 | $62.54 | $73.62 | +15.0% | 558.1M | 217 |
| 2025 | $56.55 | $68.52 | $53.68 | $64.01 | +13.5% | 492.4M | 250 |
| 2024 | $46.62 | $61.20 | $43.45 | $56.38 | +19.5% | 403.3M | 252 |
| 2023 | $49.08 | $50.82 | $41.13 | $47.17 | -3.8% | 389.5M | 250 |
| 2022 | $52.91 | $56.93 | $41.57 | $49.05 | -7.4% | 367.8M | 251 |
| 2021 | $43.13 | $53.37 | $38.81 | $52.99 | +22.9% | 311.5M | 252 |
| 2020 | $44.51 | $49.38 | $30.85 | $43.13 | -3.2% | 379.2M | 253 |
| 2019 | $33.31 | $45.09 | $32.20 | $44.54 | +33.4% | 339.3M | 252 |
| 2018 | $32.62 | $36.80 | $28.44 | $33.38 | +2.4% | 424.1M | 251 |
| 2017 | $28.14 | $34.86 | $27.16 | $32.61 | +16.0% | 307.5M | 251 |
| 2016 | $22.43 | $29.94 | $21.79 | $28.10 | +25.4% | 386M | 251 |
| 2015 | $23.10 | $24.62 | $19.29 | $22.40 | -2.6% | 324.7M | 252 |
| 2014 | $17.25 | $24.17 | $16.71 | $23.01 | +33.4% | 268.8M | 252 |
| 2013 | $14.09 | $17.94 | $14.08 | $17.25 | +22.0% | 235.8M | 252 |
| 2012 | $13.78 | $15.14 | $12.95 | $14.14 | +3.6% | 268.1M | 250 |
| 2011 | $10.98 | $13.76 | $10.38 | $13.64 | +25.3% | 323M | 252 |
| 2010 | $8.63 | $11.15 | $8.46 | $10.89 | +27.2% | 367.1M | 252 |
| 2009 | $7.82 | $8.92 | $5.50 | $8.56 | +9.8% | 399.6M | 248 |
| 2008 | $10.40 | $10.86 | $6.02 | $7.80 | -25.3% | 365.5M | 250 |
| 2007 | $9.35 | $11.65 | $8.74 | $10.43 | +11.3% | 296.4M | 249 |
| 2006 | $6.76 | $9.92 | $6.66 | $9.37 | +39.4% | 254.7M | 251 |
| 2005 | $6.57 | $7.26 | $6.01 | $6.72 | +1.9% | 200.9M | 252 |
| 2004 | $5.53 | $6.65 | $5.32 | $6.60 | +19.5% | 145.8M | 252 |
| 2003 | $3.51 | $5.57 | $3.20 | $5.53 | +58.7% | 181.6M | 252 |
| 2002 | $5.83 | $6.02 | $3.00 | $3.48 | -40.2% | 185.3M | 252 |
| 2001 | $5.75 | $6.09 | $5.16 | $5.83 | +1.8% | 116.3M | 248 |
| 2000 | $4.61 | $6.33 | $4.43 | $5.73 | +24.2% | 73.8M | 252 |
| 1999 | $5.04 | $5.06 | $4.19 | $4.61 | -8.6% | 66.8M | 252 |
| 1998 | $4.83 | $5.27 | $4.31 | $5.04 | +3.7% | 53.3M | 252 |
| 1997 | $3.85 | $5.06 | $3.78 | $4.86 | +26.5% | 28M | 247 |
| 1996 | $3.91 | $4.35 | $3.76 | $3.85 | -2.0% | 21.5M | 238 |
| 1995 | $3.28 | $4.03 | $3.26 | $3.92 | +19.6% | 16.2M | 245 |
| 1994 | $3.69 | $3.69 | $3.05 | $3.28 | -11.0% | 11.4M | 252 |
| 1993 | $3.58 | $4.04 | $3.47 | $3.69 | +2.5% | 9.1M | 250 |
| 1992 | $3.26 | $3.77 | $3.02 | $3.59 | +9.4% | 9.9M | 252 |
| 1991 | $2.31 | $3.29 | $2.12 | $3.29 | +43.1% | 12M | 253 |
| 1990 | $2.10 | $2.37 | $1.84 | $2.30 | +8.6% | 12.4M | 247 |
| 1989 | $1.85 | $2.11 | $1.80 | $2.11 | +14.1% | 8.7M | 227 |
| 1988 | $1.66 | $1.89 | $1.65 | $1.85 | +11.6% | 7M | 237 |
| 1987 | $1.80 | $1.96 | $1.57 | $1.66 | -7.2% | 14.3M | 237 |
| 1986 | $1.45 | $2.16 | $1.40 | $1.79 | +23.8% | 14.1M | 235 |
| 1985 | $1.06 | $1.45 | $1.04 | $1.45 | +35.7% | 16.4M | 247 |
| 1984 | $1.02 | $1.14 | $0.9173 | $1.06 | +4.4% | 15.2M | 241 |
| 1983 | $0.8591 | $1.04 | $0.8233 | $1.02 | +18.8% | 17.1M | 233 |
| 1982 | $0.6891 | $1.06 | $0.6846 | $0.8591 | +24.7% | 13.4M | 234 |
| 1981 | $0.6040 | $0.7696 | $0.5548 | $0.6891 | +14.1% | 7.2M | 246 |
| 1980 | $0.6309 | $0.7070 | $0.5056 | $0.6040 | -4.9% | 4.6M | 252 |
| 1979 | $0.6801 | $0.7427 | $0.6040 | $0.6354 | -6.6% | 3M | 233 |
| 1978 | $0.7562 | $0.7830 | $0.6577 | $0.6801 | -10.1% | 3.8M | 241 |
| 1977 | $0.7964 | $0.8233 | $0.6980 | $0.7562 | -5.1% | 5M | 248 |
| 1976 | $0.6085 | $0.8054 | $0.5996 | $0.7964 | +30.9% | 7.2M | 246 |
| 1975 | $0.5056 | $0.6398 | $0.5056 | $0.6085 | +22.5% | 4.6M | 253 |
| 1974 | $0.6443 | $0.6935 | $0.4832 | $0.4967 | -22.4% | 3.1M | 252 |
| 1973 | $0.7204 | $0.7249 | $0.5817 | $0.6398 | n/a | 2.5M | 203 |
LNT monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $73.62 | +2.7% |
| October 2026 | $71.65 | +13.2% |
| September 2026 | $63.30 | -6.9% |
| August 2026 | $67.98 | -4.0% |
| July 2026 | $70.78 | -7.2% |
| June 2026 | $76.29 | +6.5% |
| May 2026 | $71.61 | -2.5% |
| April 2026 | $73.43 | +3.1% |
| March 2026 | $71.23 | -0.8% |
| February 2026 | $71.80 | +9.8% |
| January 2026 | $65.42 | +2.2% |
| December 2025 | $64.01 | -6.4% |
About the LNT data
Daily bars. 13,299 sessions from Feb 21, 1973 to Nov 11, 2026, one row per Nasdaq 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 Oct 23, 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 Nasdaq 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 Feb 21, 1973, 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/nasdaq%3ALNT/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
LNT share price history
