AEX Index (AEX)
Benchmark index · Netherlands · data since 1992-10-12 · last close 2026-09-09
AEX Index (AEX) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5.3 | 2.5 | -6.5 | 5.7 | 2.1 | 4.4 | 1.8 | 0.6 | -0.3 | · | · | · |
| 2025 | 4.9 | 0.0 | -2.5 | -2.3 | 5.1 | -1.1 | -1.2 | -0.6 | 5.2 | 3.0 | -2.9 | 0.8 |
| 2024 | 4.0 | 3.7 | 3.9 | -0.3 | 2.8 | 2.2 | -0.3 | -0.2 | -0.9 | -4.0 | 0.9 | -0.3 |
| 2023 | 8.2 | 1.0 | 0.4 | 0.3 | -1.3 | 3.4 | 2.3 | -6.1 | -2.0 | -1.4 | 6.5 | 2.9 |
| 2022 | -5.4 | -3.4 | -0.8 | -1.8 | 0.3 | -7.5 | 10.7 | -6.7 | -5.8 | 4.7 | 8.0 | -4.8 |
| 2021 | 2.0 | 2.2 | 7.5 | 1.1 | 0.3 | 2.8 | 3.4 | 4.4 | -2.0 | 5.0 | -4.1 | 2.6 |
| 2020 | -2.5 | -8.5 | -10.4 | 6.1 | 3.8 | 5.1 | -2.6 | 0.7 | -0.3 | -2.5 | 13.5 | 3.1 |
| 2019 | 6.7 | 3.9 | 1.5 | 4.1 | -5.4 | 3.9 | 1.8 | -2.4 | 3.9 | -0.6 | 3.6 | 1.2 |
| 2018 | 2.9 | -4.5 | -1.1 | 5.0 | -0.5 | -0.2 | 4.1 | -2.8 | -1.6 | -5.6 | 0.1 | -6.1 |
| 2017 | -1.3 | 3.9 | 4.3 | 0.9 | 0.6 | -3.2 | 3.6 | -1.8 | 4.1 | 3.0 | -2.4 | 0.8 |
| 2016 | -3.3 | -0.9 | 3.0 | -0.1 | 1.9 | -2.7 | 3.2 | 1.0 | -0.5 | 0.1 | 1.0 | 5.7 |
| 2015 | 6.1 | 7.5 | 1.1 | -0.3 | 1.2 | -4.3 | 4.8 | -10.1 | -5.4 | 9.7 | 1.6 | -5.0 |
| 2014 | -3.7 | 3.0 | 1.2 | -0.7 | 1.7 | 1.5 | -2.1 | 2.2 | 1.9 | -2.3 | 3.5 | -0.3 |
| 2013 | 3.4 | -3.9 | 2.2 | 0.9 | 3.4 | -5.2 | 7.3 | -1.9 | 3.3 | 4.5 | 1.2 | 1.3 |
| 2012 | 1.9 | 1.8 | -0.2 | -4.7 | -5.9 | 5.9 | 6.2 | 0.9 | -1.9 | 2.4 | 1.8 | 1.8 |
| 2011 | 1.2 | 2.3 | -0.9 | -1.6 | -2.9 | -2.8 | -3.1 | -11.0 | -4.3 | 9.8 | -2.5 | 4.3 |
| 2010 | -2.2 | -3.1 | 8.3 | 0.5 | -7.3 | -1.2 | 4.4 | -4.3 | 5.7 | 0.8 | -2.9 | 8.8 |
| 2009 | 1.1 | -11.6 | -1.3 | 11.0 | 7.8 | -1.8 | 11.2 | 4.6 | 5.1 | -2.9 | 1.2 | 9.6 |
| 2008 | -14.4 | 1.2 | -0.9 | 7.5 | 2.1 | -12.3 | -6.1 | 3.2 | -19.7 | -19.2 | -5.7 | -2.6 |
| 2007 | 0.9 | -1.9 | 4.1 | 4.0 | 1.8 | 1.4 | -2.6 | -2.1 | 3.5 | 1.3 | -7.3 | 1.6 |
| 2006 | 3.1 | 1.8 | 2.2 | 0.1 | -6.2 | -0.0 | 3.1 | 3.3 | 3.1 | 0.6 | -1.8 | 3.7 |
| 2005 | 3.5 | 3.9 | -1.3 | -5.8 | 4.7 | 5.3 | 3.1 | -1.6 | 3.4 | -2.2 | 6.3 | 4.3 |
| 2004 | 4.6 | 0.9 | -5.0 | 0.8 | -1.2 | 2.4 | -4.4 | -2.1 | 0.3 | 2.0 | 2.0 | 3.2 |
| 2003 | -8.6 | -9.7 | -6.6 | 13.7 | -0.7 | 3.9 | 8.9 | 3.8 | -6.9 | 7.6 | 0.6 | 1.6 |
| 2002 | -1.2 | -1.2 | 7.3 | -3.8 | -5.2 | -9.3 | -17.3 | 2.2 | -20.3 | 15.7 | 5.6 | -10.8 |
| 2001 | 0.4 | -6.7 | -6.5 | 6.2 | -1.3 | -2.0 | -4.3 | -4.6 | -13.3 | 1.4 | 7.0 | 2.9 |
| 2000 | -8.8 | 8.5 | -0.3 | -0.1 | -0.9 | 2.5 | -0.6 | 3.2 | -4.1 | 2.9 | -4.5 | -1.9 |
| 1999 | -1.2 | 0.8 | 0.1 | 6.8 | -3.4 | 1.3 | -1.5 | 3.5 | -4.4 | 4.5 | 5.3 | 11.5 |
| 1998 | 4.7 | 11.9 | 5.2 | 0.1 | 6.3 | 0.1 | 2.4 | -11.6 | -14.0 | 6.3 | 10.8 | 7.8 |
| 1997 | 4.2 | 9.1 | 0.5 | 3.0 | 3.6 | 8.9 | 14.1 | -11.7 | 6.0 | -6.6 | 2.6 | 3.6 |
| 1996 | 3.7 | 1.9 | 3.6 | 4.3 | 2.8 | -1.7 | -4.4 | 2.9 | 4.7 | 0.0 | 9.4 | 2.7 |
| 1995 | -1.5 | -0.1 | -3.5 | 6.0 | 3.5 | 0.2 | 6.0 | 0.0 | 1.8 | -2.7 | 5.4 | 1.5 |
| 1994 | 5.9 | -4.1 | -4.0 | 2.3 | -3.0 | -4.3 | 6.4 | 2.8 | -4.1 | 2.6 | -0.8 | 1.2 |
| 1993 | 2.1 | 4.8 | 4.1 | -1.4 | -1.8 | 5.2 | 4.5 | 7.9 | -4.3 | 9.6 | 0.0 | 8.0 |
| 1992 | · | · | · | · | · | · | · | · | · | -2.3 | 1.8 | 2.8 |
| Avg | 0.8 | 0.5 | 0.3 | 2.0 | 0.2 | 0.0 | 1.8 | -1.0 | -1.9 | 1.3 | 1.9 | 2.0 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
AEX seasonality — average by calendar month
AEX Index has monthly history back to 1992. Its strongest month by median is July — positive in 21 of 34 years, median +2.8%, and higher in 6 of the last 9. September is the soft spot, down in 19 of 33 with a median of -0.9%. Across its full record it has closed 60% of months higher, swings ±5.1% in an average month and has fallen 71.6% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +0.8% | +0.5% | +0.3% | +2.0% | +0.3% | +0.0% | +1.9% | -1.0% | -1.9% | +1.3% | +1.9% | +2.0% |
| Win rate | 65%/34 | 59%/34 | 53%/34 | 65%/34 | 56%/34 | 53%/34 | 62%/34 | 50%/34 | 42%/33 | 65%/34 | 71%/34 | 76%/34 |
Win rate = share of positive months / sample size.
AEX risk & extremes
AEX drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
Frequently asked questions
What was AEX Index's best month?+
AEX Index's strongest completed month on record is October 2002, at +15.68%.
What was AEX Index's worst month?+
Its weakest completed month on record is September 2002, at -20.25%.
Is AEX Index up this year?+
AEX Index is up 15.83% year to date, measured from its last close before 1 January.
What is AEX Index's 1-year return?+
+21.39% 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 AEX Index's biggest drawdown?+
The deepest peak-to-trough fall on record is 71.6%, measured on month-end closes since 1992.
Which calendar month is historically best for AEX Index?+
December has the highest average return across every completed December since 1992. An average is not a forecast.
About AEX Index
AEX Index isn't a company — it's the scoreboard: Netherlands's benchmark index, tracked here like any other asset, because sometimes the market itself is the most interesting ticker — with price history on this site back to 1992. And the long game: $100 at its first close here (1992) would be about $891 today.
Did you know?
- Its best month on record was October 2002 at +15.68%; its worst, September 2002 at -20.25%.
- It has closed December in the green 26 out of 34 times — calendar astrology, but the fun kind.
Trivia for entertainment — the numbers come from our price data; the jokes don't.