OMX Copenhagen 25 (OMXC25)
Benchmark index · Denmark · data since 2016-12-19 · last close 2026-09-09
OMX Copenhagen 25 (OMXC25) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 4.4 | -9.1 | -2.9 | 3.6 | 2.6 | 1.8 | 1.3 | 3.8 | -1.5 | · | · | · |
| 2025 | -0.2 | 4.4 | -9.9 | -0.7 | 6.4 | -3.1 | -2.4 | 0.1 | -2.3 | 3.5 | 3.7 | 4.4 |
| 2024 | 1.9 | 2.2 | 2.4 | -2.0 | 4.0 | -1.4 | 2.9 | -1.1 | -2.0 | -3.8 | -1.3 | -4.1 |
| 2023 | -0.1 | 4.8 | 0.6 | 1.6 | -0.9 | 0.8 | -0.4 | -4.0 | -2.1 | -4.7 | 6.7 | 5.4 |
| 2022 | -9.6 | -0.6 | 1.2 | -1.2 | -4.7 | -6.4 | 12.4 | -6.7 | -12.9 | 9.4 | 7.1 | 0.8 |
| 2021 | -3.8 | -0.3 | 5.2 | 4.5 | 2.2 | 3.0 | 3.5 | 2.6 | -4.8 | 4.8 | -4.5 | 4.4 |
| 2020 | 1.9 | -4.6 | -7.6 | 9.6 | 7.5 | 1.6 | 5.6 | 3.9 | 2.0 | -1.5 | 7.5 | 5.0 |
| 2019 | 4.1 | 6.3 | 2.0 | 2.4 | -4.6 | 2.3 | 0.1 | 0.8 | 0.7 | 0.7 | 6.0 | 2.9 |
| 2018 | -0.8 | 1.0 | -2.9 | -0.2 | 0.1 | -1.5 | 5.5 | 1.3 | -4.4 | -8.5 | 1.5 | -4.4 |
| 2017 | 3.3 | 1.0 | 1.4 | 4.8 | 2.1 | -0.6 | 2.2 | 0.5 | -0.1 | 1.8 | -5.5 | 1.4 |
| 2016 | · | · | · | · | · | · | · | · | · | · | · | 1.6 |
| Avg | 0.1 | 0.5 | -1.1 | 2.2 | 1.5 | -0.3 | 3.1 | 0.1 | -2.7 | 0.2 | 2.4 | 1.8 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
OMXC25 seasonality — average by calendar month
OMX Copenhagen 25 has monthly history back to 2016. Its strongest month by median is November — positive in 6 of 9 years, median +3.7%. September is the soft spot, down in 7 of 9 with a median of -2.1%. Across its full record it has closed 60% of months higher, swings ±4.3% in an average month and has fallen 29.8% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +0.1% | +0.5% | -1.1% | +2.2% | +1.5% | -0.3% | +3.1% | +0.1% | -2.9% | +0.2% | +2.4% | +1.8% |
| Win rate | 50%/10 | 60%/10 | 60%/10 | 60%/10 | 70%/10 | 50%/10 | 80%/10 | 70%/10 | 22%/9 | 56%/9 | 67%/9 | 80%/10 |
Win rate = share of positive months / sample size.
OMXC25 risk & extremes
OMXC25 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 Copenhagen 25's best month?+
OMX Copenhagen 25's strongest completed month on record is July 2022, at +12.44%.
What was OMX Copenhagen 25's worst month?+
Its weakest completed month on record is September 2022, at -12.92%.
Is OMX Copenhagen 25 up this year?+
OMX Copenhagen 25 is up 3.27% year to date, measured from its last close before 1 January.
What is OMX Copenhagen 25's 1-year return?+
+14.19% 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 Copenhagen 25's biggest drawdown?+
The deepest peak-to-trough fall on record is 29.8%, measured on month-end closes since 2016.
Which calendar month is historically best for OMX Copenhagen 25?+
July has the highest average return across every completed July since 2016. An average is not a forecast.
About OMX Copenhagen 25
OMX Copenhagen 25 isn't a company — it's the scoreboard: Denmark'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 2016. Since 2016 it has ground out +88% overall — not every story is a rocket.
Did you know?
- Its best month on record was July 2022 at +12.44%; its worst, September 2022 at -12.92%.
- It has closed July in the green 8 out of 10 times — calendar astrology, but the fun kind.
Trivia for entertainment — the numbers come from our price data; the jokes don't.