Ameren (AEE)
S&P 500 · Utilities · data since 1998-01-02 · last close 2026-09-09
Ameren (AEE) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3.4 | 9.7 | -2.3 | 3.4 | -5.0 | 5.4 | -3.0 | -4.0 | 0.9 | · | · | · |
| 2025 | 5.7 | 7.8 | -0.4 | -1.2 | -2.4 | -0.1 | 5.3 | -1.3 | 5.4 | -2.3 | 4.2 | -5.4 |
| 2024 | -3.8 | 2.3 | 4.8 | -0.1 | -0.7 | -2.2 | 11.5 | 4.1 | 6.8 | -0.4 | 8.4 | -4.9 |
| 2023 | -2.3 | -4.8 | 5.3 | 3.0 | -8.9 | 1.5 | 4.9 | -7.5 | -4.8 | 1.2 | 2.5 | -6.0 |
| 2022 | -0.3 | -3.1 | 9.8 | -0.9 | 2.5 | -4.5 | 3.0 | -0.5 | -12.5 | 1.2 | 9.6 | 0.2 |
| 2021 | -6.8 | -3.4 | 16.6 | 4.3 | -0.8 | -4.3 | 4.8 | 4.5 | -7.1 | 4.1 | -3.2 | 9.8 |
| 2020 | 6.8 | -3.7 | -7.3 | -0.1 | 2.7 | -5.2 | 14.0 | -1.4 | 0.6 | 2.6 | -4.1 | 1.0 |
| 2019 | 6.3 | 2.7 | 3.9 | -1.1 | 0.8 | 3.1 | 0.8 | 1.9 | 4.4 | -2.9 | -4.3 | 4.0 |
| 2018 | -4.0 | -4.1 | 5.2 | 3.5 | 1.0 | 3.7 | 2.0 | 1.9 | 0.7 | 2.1 | 6.3 | -4.3 |
| 2017 | 0.4 | 3.9 | 0.6 | 0.2 | 3.8 | -2.9 | 2.6 | 6.9 | -2.9 | 7.2 | 3.2 | -7.1 |
| 2016 | 3.9 | 4.5 | 7.7 | -4.2 | 3.2 | 9.1 | -2.1 | -5.8 | 0.4 | 1.6 | -1.7 | 7.8 |
| 2015 | -1.8 | -6.3 | 0.5 | -3.0 | -1.7 | -5.3 | 9.0 | -1.9 | 6.0 | 3.3 | 0.2 | -0.2 |
| 2014 | 4.7 | 6.8 | 3.0 | 0.3 | -4.7 | 5.0 | -5.9 | 4.0 | -3.2 | 10.5 | 1.8 | 8.0 |
| 2013 | 5.6 | 4.2 | 4.9 | 3.5 | -6.1 | 2.4 | 4.0 | -5.6 | 4.3 | 3.9 | -0.9 | 2.0 |
| 2012 | -4.5 | 1.4 | 2.9 | 0.6 | -1.5 | 5.1 | 2.0 | -4.4 | 1.1 | 0.6 | -8.8 | 3.9 |
| 2011 | 0.6 | -1.4 | 1.8 | 4.4 | 1.4 | -1.6 | -0.1 | 5.0 | -0.3 | 7.1 | 6.0 | -0.8 |
| 2010 | -8.6 | -3.3 | 7.1 | -0.5 | -5.0 | -2.0 | 6.7 | 10.6 | 2.5 | 2.0 | -0.9 | -0.5 |
| 2009 | -0.0 | -28.5 | -0.7 | -0.7 | 1.0 | 8.8 | 2.2 | 6.1 | -4.9 | -3.7 | 6.8 | 9.1 |
| 2008 | -17.5 | -4.6 | 4.7 | 3.0 | 0.2 | -5.7 | -2.7 | 1.9 | -5.3 | -16.9 | 9.7 | -4.7 |
| 2007 | -1.1 | -1.7 | -2.4 | 4.5 | 0.9 | -6.5 | -2.1 | 5.8 | 4.7 | 3.0 | -0.4 | 1.9 |
| 2006 | -0.9 | -0.2 | -0.4 | 1.1 | -1.8 | 3.3 | 2.0 | 4.0 | -0.2 | 2.5 | 1.1 | -0.6 |
| 2005 | -0.0 | 2.7 | -3.6 | 5.5 | 5.6 | 2.5 | 0.6 | -1.2 | -1.5 | -1.7 | -0.3 | -1.1 |
| 2004 | 5.0 | -1.8 | -1.5 | -5.1 | 1.1 | -1.4 | 4.0 | 4.7 | -0.0 | 4.0 | 0.9 | 4.9 |
| 2003 | -5.4 | -0.9 | 1.8 | 4.9 | 11.0 | -1.7 | -5.3 | 1.8 | 2.5 | 4.1 | -1.2 | 5.7 |
| 2002 | 1.4 | -5.0 | 6.5 | -2.3 | 4.7 | -0.1 | 1.6 | 0.8 | -4.0 | -3.0 | 2.4 | 2.1 |
| 2001 | -11.9 | 3.4 | -1.4 | 2.5 | 6.3 | -2.9 | -8.0 | 5.0 | -5.5 | 4.4 | 1.9 | 5.1 |
| 2000 | -0.6 | -7.9 | 5.5 | 18.6 | 0.0 | -6.3 | 7.2 | 11.8 | 5.2 | -5.1 | 11.6 | 5.9 |
| 1999 | -8.1 | -4.9 | -1.4 | 6.9 | 5.8 | -4.8 | 2.3 | 2.1 | -4.1 | 0.0 | -8.4 | -3.6 |
| 1998 | -14.4 | 5.0 | 11.4 | -5.9 | -1.3 | 3.2 | -4.9 | 4.6 | 7.8 | -4.8 | 3.1 | 5.2 |
| Avg | -1.7 | -1.1 | 2.9 | 1.6 | 0.4 | -0.2 | 1.9 | 1.9 | -0.1 | 0.9 | 1.6 | 1.3 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
AEE seasonality — average by calendar month
Ameren has monthly history back to 1998. Its strongest month by median is March — positive in 19 of 29 years, median +2.9%, and higher in 6 of the last 9. February is the soft spot, down in 17 of 29 with a median of -1.4%. Across its full record it has closed 56% of months higher, swings ±5.2% in an average month and has fallen 60.6% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | -1.7% | -1.1% | +2.9% | +1.6% | +0.4% | -0.2% | +1.9% | +1.9% | -0.1% | +0.9% | +1.6% | +1.3% |
| Win rate | 38%/29 | 41%/29 | 66%/29 | 59%/29 | 55%/29 | 41%/29 | 69%/29 | 66%/29 | 50%/28 | 64%/28 | 61%/28 | 57%/28 |
Win rate = share of positive months / sample size.
AEE risk & extremes
AEE drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
Related stocks
Frequently asked questions
What was Ameren's best month?+
Ameren's strongest completed month on record is April 2000, at +18.59%.
What was Ameren's worst month?+
Its weakest completed month on record is February 2009, at -28.48%.
Is Ameren up this year?+
Ameren is up 7.88% year to date, measured from its last close before 1 January.
What is Ameren's 1-year return?+
+9.38% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is Ameren's biggest drawdown?+
The deepest peak-to-trough fall on record is 60.6%, measured on month-end closes since 1998.
Which calendar month is historically best for Ameren?+
March has the highest average return across every completed March since 1998. An average is not a forecast.
About Ameren
Ameren is an S&P 500 company, an utilities business worth about $29 billion. It keeps the lights on — literally — and pays you a dividend for noticing — with price receipts on this site going back to 1998. And the long game: $100 at its first close here (1998) would be about $1,061 today.
Did you know?
- Its best month on record was April 2000 at +18.59%; its worst, February 2009 at -28.48%.
Trivia for entertainment — the numbers come from our price data; the jokes don't.