OMX Stockholm 30 (OMXS30)
Benchmark index · Sweden · data since 2008-11-20 · last close 2026-09-09
OMX Stockholm 30 (OMXS30) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 5.0 | 6.5 | -9.1 | 4.5 | 2.5 | 2.1 | 1.4 | 1.9 | -1.5 | · | · | · |
| 2025 | 7.5 | 2.0 | -8.5 | -2.4 | 2.5 | -0.1 | 3.5 | 1.8 | 1.4 | 3.9 | 0.8 | 3.4 |
| 2024 | -1.7 | 4.1 | 2.7 | 1.5 | 1.9 | -1.3 | 1.6 | -0.5 | 1.2 | -3.2 | -1.1 | -1.2 |
| 2023 | 7.6 | 1.3 | -0.1 | 2.1 | -1.6 | 3.4 | -2.5 | -2.9 | -1.3 | -3.7 | 7.5 | 7.4 |
| 2022 | -5.3 | -6.8 | -1.8 | -1.7 | -0.8 | -8.3 | 8.5 | -5.5 | -4.8 | 7.6 | 6.8 | -2.8 |
| 2021 | 4.0 | 3.1 | 9.1 | 1.1 | 1.1 | 0.9 | 4.7 | -0.8 | -3.9 | 1.4 | -2.1 | 7.9 |
| 2020 | 0.6 | -6.4 | -11.2 | 6.4 | 3.3 | 2.1 | 2.6 | 3.5 | 3.6 | -6.1 | 11.6 | -2.2 |
| 2019 | 7.6 | 3.8 | -1.2 | 7.9 | -9.9 | 7.4 | -1.4 | -1.4 | 4.5 | 5.2 | -0.2 | 2.4 |
| 2018 | 1.0 | -0.6 | -3.0 | 2.3 | -1.3 | 0.6 | 3.6 | 2.6 | 0.3 | -7.5 | -1.5 | -7.0 |
| 2017 | 1.3 | 2.2 | 1.1 | 2.5 | 0.7 | -2.2 | -3.4 | -0.1 | 5.9 | 2.1 | -3.7 | -2.1 |
| 2016 | -6.3 | 1.2 | -0.5 | -0.4 | 0.6 | -3.4 | 4.8 | 2.3 | 1.5 | 0.5 | 2.4 | 2.4 |
| 2015 | 7.5 | 7.5 | -1.4 | -2.4 | 1.0 | -6.3 | 4.8 | -7.1 | -5.6 | 5.8 | 2.5 | -5.8 |
| 2014 | -2.1 | 5.0 | -0.3 | -0.0 | 2.8 | -1.8 | 0.2 | 0.7 | 1.0 | 0.7 | 3.4 | 0.2 |
| 2013 | 5.8 | 2.6 | 0.1 | -0.2 | 1.3 | -5.3 | 7.2 | -1.6 | 3.7 | 1.9 | 1.9 | 1.9 |
| 2012 | 4.9 | 6.3 | -2.5 | -1.4 | -7.9 | 4.4 | 4.8 | -2.3 | 2.7 | -1.9 | 3.2 | 1.7 |
| 2011 | -0.7 | -1.6 | 0.6 | 2.5 | -1.0 | -3.1 | -4.4 | -10.4 | -4.7 | 8.8 | -1.1 | 0.9 |
| 2010 | 0.2 | -0.7 | 7.8 | 3.2 | -7.0 | 2.6 | 4.1 | -3.4 | 7.5 | 0.1 | 1.6 | 4.4 |
| 2009 | -6.8 | 3.7 | 2.0 | 17.0 | 1.6 | 2.5 | 10.8 | 2.6 | -0.9 | 5.3 | -0.9 | 1.7 |
| 2008 | · | · | · | · | · | · | · | · | · | · | 9.2 | 3.2 |
| Avg | 1.7 | 1.8 | -0.9 | 2.4 | -0.5 | -0.3 | 2.8 | -1.2 | 0.6 | 1.2 | 2.2 | 0.9 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
OMXS30 seasonality — average by calendar month
OMX Stockholm 30 has monthly history back to 2008. Its strongest month by median is July — positive in 14 of 18 years, median +3.5%, and higher in 7 of the last 9. August is the soft spot, down in 11 of 18 with a median of -0.7%. Across its full record it has closed 61% of months higher, swings ±4.3% in an average month and has fallen 32% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +1.7% | +1.8% | -0.9% | +2.4% | -0.6% | -0.3% | +2.8% | -1.2% | +0.7% | +1.2% | +2.2% | +0.9% |
| Win rate | 67%/18 | 72%/18 | 39%/18 | 61%/18 | 61%/18 | 50%/18 | 78%/18 | 39%/18 | 65%/17 | 71%/17 | 61%/18 | 67%/18 |
Win rate = share of positive months / sample size.
OMXS30 risk & extremes
OMXS30 drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
Frequently asked questions
What was OMX Stockholm 30's best month?+
OMX Stockholm 30's strongest completed month on record is April 2009, at +16.97%.
What was OMX Stockholm 30's worst month?+
Its weakest completed month on record is March 2020, at -11.17%.
Is OMX Stockholm 30 up this year?+
OMX Stockholm 30 is up 13.02% year to date, measured from its last close before 1 January.
What is OMX Stockholm 30's 1-year return?+
+23.75% 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 OMX Stockholm 30's biggest drawdown?+
The deepest peak-to-trough fall on record is 32.0%, measured on month-end closes since 2008.
Which calendar month is historically best for OMX Stockholm 30?+
July has the highest average return across every completed July since 2008. An average is not a forecast.
About OMX Stockholm 30
OMX Stockholm 30 isn't a company — it's the scoreboard: Sweden's benchmark index, tracked here like any other asset, so you can see how a whole market behaves when nobody's stock-picking — with price history on this site back to 2008. And the long game: $100 at its first close here (2008) would be about $516 today.
Did you know?
- Its best month on record was April 2009 at +16.97%; its worst, March 2020 at -11.17%.
- It has closed July in the green 14 out of 18 times — not a promise, just a suspicious habit.
Trivia for entertainment — the numbers come from our price data; the jokes don't.