Ethereum in December: seasonality and history
Since 2015, Ethereum has risen in December in 45% of years (5 of 11), with an average return of +6.04% and a median of −0.84%. That makes December its #8 month of 12.
Average+6.04%
Years up45%
Best year2017 · +69.25%
Worst year2021 · −20.49%
The seasonal path through December
Cumulative sum of each day's average return through December, all years since 2015.
| Strongest days | Avg | Up |
|---|---|---|
| Dec 12 | +3.80% | 82% |
| Dec 20 | +2.30% | 64% |
| Dec 18 | +1.81% | 64% |
| Weakest days | Avg | Up |
|---|---|---|
| Dec 10 | −1.85% | 36% |
| Dec 16 | −1.51% | 55% |
| Dec 21 | −1.09% | 45% |
December in recent years
| Year | Ethereum in December |
|---|---|
| 2025 | −0.84% |
| 2024 | −10.07% |
| 2023 | +11.15% |
| 2022 | −7.63% |
| 2021 | −20.49% |
| 2020 | +20.00% |
| 2019 | −15.03% |
| 2018 | +17.85% |
| 2017 | +69.25% |
| 2016 | −5.59% |
Questions
Is December a good month for Ethereum?
On average, yes: +6.04% since 2015, rising in 45% of years. But the range is wide, from −20.49% in 2021 to +69.25% in 2017, so an average is a tendency, not a forecast.
What are the strongest days in December?
Dec 12 (+3.80%, up 82% of years), Dec 20 (+2.30%, up 64% of years), Dec 18 (+1.81%, up 64% of years).