Alliant Energy Corporation (LNT) Stock Price History
Historical prices from 2011 to 2026
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Historical Performance
Short-Term Returns
LNT Stock Price Trajectory (2011–2026)
As of March 2, 2026, Alliant Energy Corporation (LNT) trades at $72.34, representing a +12.1% return over the past year. The stock has delivered a +9.0% return over five years, reflecting significant long-term value creation.
The stock reached its all-time high of $72.38 on February 27, 2026. From this peak, LNT has corrected -0.1%, currently trading 11% above its 200-day moving average, indicating continued institutional support.
When compared to Utilities sector peers DUK (+11.4% 1Y), XEL (+15.6% 1Y), and ETR (+22.7% 1Y), LNT has underperformed the peer group average. Compare LNT vs DUK →
Historical Price Data
Showing 30 of 3,650 records| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-02-27 | 71.66 | 72.38 | 71.42 | 72.34 | 72 | +1.25% |
| 2026-02-26 | 71.45 | 71.88 | 71.00 | 71.45 | 71 | +0.27% |
| 2026-02-25 | 71.85 | 72.19 | 70.37 | 71.26 | 71 | -0.52% |
| 2026-02-24 | 72.10 | 72.10 | 70.67 | 71.63 | 71 | -0.39% |
| 2026-02-23 | 71.38 | 72.20 | 71.22 | 71.91 | 71 | +1.27% |
| 2026-02-20 | 71.64 | 71.64 | 70.00 | 71.01 | 71 | +1.43% |
| 2026-02-19 | 69.79 | 70.54 | 69.75 | 70.01 | 3.34M | +0.69% |
| 2026-02-18 | 71.10 | 71.32 | 69.51 | 69.53 | 2.72M | -2.40% |
| 2026-02-17 | 69.66 | 72.25 | 69.66 | 71.24 | 250K | +0.07% |
| 2026-02-13 | 69.66 | 71.38 | 69.66 | 71.19 | 2.76M | +2.17% |
| 2026-02-12 | 68.69 | 70.26 | 68.64 | 69.68 | 3.09M | +2.13% |
| 2026-02-11 | 68.03 | 68.48 | 67.68 | 68.23 | 1.64M | +0.32% |
| 2026-02-10 | 67.15 | 68.61 | 66.89 | 68.01 | 2.50M | +1.66% |
| 2026-02-09 | 66.53 | 66.98 | 66.15 | 66.90 | 1.71M | +0.31% |
| 2026-02-06 | 67.53 | 67.53 | 66.08 | 66.69 | 4.81M | -0.21% |
| 2026-02-05 | 67.20 | 67.56 | 66.55 | 66.83 | 3.23M | +0.12% |
| 2026-02-04 | 66.92 | 67.32 | 66.58 | 66.75 | 3.71M | +0.33% |
| 2026-02-03 | 65.12 | 66.57 | 65.12 | 66.53 | 3.10M | +2.18% |
| 2026-02-02 | 65.91 | 66.23 | 64.93 | 65.11 | 2.98M | -1.21% |
| 2026-01-30 | 65.68 | 65.95 | 65.20 | 65.91 | 2.68M | -0.63% |
| 2026-01-29 | 66.26 | 66.94 | 65.73 | 66.33 | 4.59M | +0.11% |
| 2026-01-28 | 67.19 | 67.50 | 66.18 | 66.26 | 3.20M | -1.38% |
| 2026-01-27 | 66.87 | 67.59 | 66.80 | 67.19 | 1.86M | +0.27% |
| 2026-01-26 | 66.85 | 67.57 | 66.69 | 67.01 | 1.84M | +0.27% |
| 2026-01-24 | 66.75 | 66.86 | 65.87 | 66.83 | 2.29M | 0.00% |
| 2026-01-23 | 66.75 | 66.86 | 65.87 | 66.83 | 2.40M | -0.06% |
| 2026-01-22 | 67.41 | 67.66 | 66.54 | 66.87 | 1.87M | -0.85% |
| 2026-01-21 | 67.74 | 67.80 | 66.84 | 67.44 | 2.84M | +0.24% |
| 2026-01-20 | 67.54 | 67.54 | 66.67 | 67.28 | 1.90M | -0.09% |
| 2026-01-16 | 66.77 | 67.63 | 66.54 | 67.34 | 2.08M | +0.42% |
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Start ComparisonFrequently Asked Questions
How has LNT stock performed recently?
LNT returned +12.1% over the past year, beating its 5-year annualized CAGR of +9.0%. The stock trades above its 200-day moving average, confirming the uptrend.
What is LNT's all-time high price?
Alliant Energy Corporation reached $72.38 on 2026-02-27. The 52-week high is $72.38. Current 1-year return of +12.1% places the stock closer to 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 2011-2026, downloadable in CSV format.