Alliant Energy Corporation (LNT) Stock Price History
Historical prices from 1980 to 2026
- 1M
- -7.5%
- 3M
- -16.2%
- YTD
- -3.5%
- 1Y
- -3.3%
- 3Y
- +7.4%
- 5Y
- +2.1%
Loading 10-year price history...
LNT Historical Performance
LNT Annual Returns
Year-by-year price performance · 2002–2026
- 2002 annual price return
- -46.0%
- 2003 annual price return
- +46.5%
- 2004 annual price return
- +15.2%
- 2005 annual price return
- -0.2%
- 2006 annual price return
- +32.6%
- 2007 annual price return
- +7.5%
- 2008 annual price return
- -27.6%
- 2009 annual price return
- +1.9%
- 2010 annual price return
- +21.1%
- 2011 annual price return
- +18.8%
- 2012 annual price return
- +0.9%
- 2013 annual price return
- +14.3%
- 2014 annual price return
- +30.8%
- 2015 annual price return
- -6.1%
- 2016 annual price return
- +21.7%
- 2017 annual price return
- +12.3%
- 2018 annual price return
- +0.3%
- 2019 annual price return
- +33.0%
- 2020 annual price return
- -3.9%
- 2021 annual price return
- +21.7%
- 2022 annual price return
- -9.3%
- 2023 annual price return
- -7.4%
- 2024 annual price return
- +14.0%
- 2025 annual price return
- +11.1%
- 2026 annual price return
- +7.9%
LNT Stock Price Trajectory (1980–2026)
As of September 25, 2026, Alliant Energy Corporation (LNT) trades at $63.31, representing a -3.3% return over the past year. The stock has delivered a +27.5% total return over five years (+2.1% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $78.81 on July 7, 2026. From this peak, LNT has corrected -19.7%, currently trading 10% below its 200-day moving average, suggesting potential weakness.
When compared to Utilities sector peers WEC (-9.9% 1Y), EVRG (+5.4% 1Y), and OGE (-2.3% 1Y), LNT has underperformed the peer group average. Compare LNT vs WEC →
LNT Historical Price Data · from 1980
Rows 1–50 of 11,778| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-09-24 | 63.85 | 64.00 | 63.27 | 63.31 | 2.41M | -0.60% |
| 2026-09-23 | 64.30 | 64.36 | 63.56 | 63.69 | 2.94M | -1.44% |
| 2026-09-22 | 64.98 | 65.33 | 64.57 | 64.62 | 2.20M | -0.54% |
| 2026-09-21 | 65.62 | 65.70 | 64.76 | 64.97 | 3.02M | -0.97% |
| 2026-09-18 | 66.22 | 66.50 | 65.56 | 65.61 | 3.90M | -1.55% |
| 2026-09-17 | 66.41 | 66.75 | 66.05 | 66.64 | 2.17M | +0.80% |
| 2026-09-16 | 66.32 | 66.72 | 65.80 | 66.11 | 1.90M | +0.18% |
| 2026-09-15 | 67.05 | 67.13 | 65.91 | 65.99 | 1.46M | -1.39% |
| 2026-09-14 | 67.30 | 67.71 | 66.81 | 66.92 | 1.77M | -0.51% |
| 2026-09-11 | 67.80 | 67.80 | 67.03 | 67.26 | 1.94M | +0.01% |
| 2026-09-10 | 67.89 | 68.43 | 67.16 | 67.25 | 1.81M | -0.90% |
| 2026-09-09 | 68.60 | 68.97 | 67.41 | 67.86 | 1.82M | -1.09% |
| 2026-09-08 | 68.05 | 69.04 | 68.00 | 68.61 | 1.97M | +0.94% |
| 2026-09-04 | 67.57 | 68.54 | 67.57 | 67.97 | 1.61M | -0.04% |
| 2026-09-03 | 67.93 | 68.43 | 67.64 | 68.00 | 2.32M | +0.38% |
| 2026-09-02 | 67.88 | 68.12 | 67.22 | 67.74 | 2.29M | -0.27% |
| 2026-09-01 | 68.12 | 68.56 | 67.55 | 67.92 | 2.65M | -0.09% |
| 2026-08-31 | 67.61 | 68.33 | 67.34 | 67.98 | 2.30M | -0.07% |
| 2026-08-28 | 68.59 | 68.75 | 67.73 | 68.03 | 2.04M | -0.26% |
| 2026-08-27 | 68.31 | 68.51 | 67.90 | 68.21 | 1.37M | -1.03% |
| 2026-08-26 | 68.48 | 69.19 | 68.43 | 68.92 | 1.69M | +0.85% |
| 2026-08-25 | 68.34 | 68.67 | 68.14 | 68.34 | 1.36M | -0.12% |
| 2026-08-24 | 68.01 | 68.50 | 67.68 | 68.42 | 1.82M | +0.83% |
| 2026-08-21 | 69.76 | 70.51 | 67.81 | 67.86 | 1.96M | -2.30% |
| 2026-08-20 | 69.80 | 70.58 | 69.43 | 69.46 | 1.77M | -0.98% |
| 2026-08-19 | 70.48 | 70.64 | 69.84 | 70.15 | 1.94M | +0.24% |
| 2026-08-18 | 71.25 | 71.46 | 69.95 | 69.98 | 2.02M | -0.53% |
| 2026-08-17 | 70.15 | 70.44 | 69.77 | 70.35 | 2.06M | -0.35% |
| 2026-08-14 | 70.01 | 70.77 | 69.99 | 70.60 | 1.61M | +0.57% |
| 2026-08-13 | 70.46 | 70.77 | 70.15 | 70.20 | 3.26M | -0.06% |
| 2026-08-12 | 68.95 | 70.46 | 68.81 | 70.24 | 5.65M | +2.42% |
| 2026-08-11 | 68.06 | 68.77 | 67.54 | 68.58 | 2.92M | +0.54% |
| 2026-08-10 | 69.55 | 69.55 | 67.94 | 68.21 | 2.75M | -1.67% |
| 2026-08-07 | 69.41 | 69.86 | 68.89 | 69.37 | 2.15M | -0.22% |
| 2026-08-06 | 71.05 | 71.05 | 69.06 | 69.52 | 2.00M | -0.97% |
| 2026-08-05 | 70.63 | 70.63 | 69.38 | 70.20 | 2.56M | -0.65% |
| 2026-08-04 | 71.05 | 71.21 | 70.23 | 70.66 | 3.37M | -0.86% |
| 2026-08-03 | 70.71 | 71.63 | 70.14 | 71.27 | 3.30M | +0.69% |
| 2026-07-31 | 70.46 | 71.14 | 69.92 | 70.78 | 3.24M | -0.16% |
| 2026-07-30 | 72.17 | 72.29 | 70.69 | 70.89 | 3.17M | -1.54% |
| 2026-07-29 | 74.12 | 74.31 | 71.70 | 72.00 | 3.42M | -2.43% |
| 2026-07-28 | 74.85 | 75.31 | 73.79 | 73.79 | 2.10M | -0.19% |
| 2026-07-27 | 74.64 | 75.17 | 73.73 | 73.93 | 2.14M | -1.35% |
| 2026-07-24 | 74.77 | 75.44 | 74.63 | 74.94 | 1.96M | +0.70% |
| 2026-07-23 | 73.51 | 74.80 | 73.50 | 74.42 | 1.78M | +0.54% |
| 2026-07-22 | 73.88 | 74.34 | 73.41 | 74.02 | 2.13M | +1.24% |
| 2026-07-21 | 73.96 | 74.08 | 72.36 | 73.11 | 3.62M | -1.15% |
| 2026-07-20 | 75.01 | 75.69 | 73.83 | 73.96 | 2.19M | -1.15% |
| 2026-07-17 | 76.96 | 77.11 | 74.63 | 74.82 | 2.02M | -1.23% |
| 2026-07-16 | 74.89 | 75.89 | 74.59 | 75.75 | 3.07M | +1.61% |
LNT Chart Terminal
Live VCP patterns, Cup & Handle overlays, support/resistance, and AI trade plans.
Live Breakouts Feed
High-probability breakout stocks crossing their pivot across 5 pattern engines.
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
Peer Comparison
Compare growth, multiples, and margins vs sector.
LNT — Frequently Asked Questions
Quick answers to the most common questions about buying LNT stock.
How has LNT stock performed recently?
LNT declined -3.3% over the past year, below its 5-year annualized CAGR of +2.1%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is LNT's all-time high price?
Alliant Energy Corporation reached $78.81 on 2026-07-07. The 52-week high is $78.81. Current 1-year return of -3.3% places the stock further from historical peaks.
Where can I download LNT historical price data?
This page provides LNT daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 1980-2026, downloadable in CSV format.