Bitcoin in May: seasonality and history
Since 2011, Bitcoin has risen in May in 56% of years (9 of 16), with an average return of +17.67% and a median of +7.06%. That makes May its #4 month of 12.
Average+17.67%
Years up56%
Best year2011 · +149.19%
Worst year2021 · −35.35%
The seasonal path through May
Cumulative sum of each day's average return through May, all years since 2011.
| Strongest days | Avg | Up |
|---|---|---|
| May 13 | +3.57% | 69% |
| May 10 | +2.57% | 50% |
| May 24 | +1.57% | 81% |
| Weakest days | Avg | Up |
|---|---|---|
| May 1 | −1.19% | 62% |
| May 18 | −0.62% | 44% |
| May 27 | −0.58% | 50% |
May in recent years
| Year | Bitcoin in May |
|---|---|
| 2026 | −3.57% |
| 2025 | +11.07% |
| 2024 | +11.30% |
| 2023 | −7.00% |
| 2022 | −15.70% |
| 2021 | −35.35% |
| 2020 | +9.27% |
| 2019 | +60.25% |
| 2018 | −18.90% |
| 2017 | +69.63% |
Questions
Is May a good month for Bitcoin?
On average, yes: +17.67% since 2011, rising in 56% of years. But the range is wide, from −35.35% in 2021 to +149.19% in 2011, so an average is a tendency, not a forecast.
What are the strongest days in May?
May 13 (+3.57%, up 69% of years), May 10 (+2.57%, up 50% of years), May 24 (+1.57%, up 81% of years).