Ethereum Monthly Returns: Which Months Have Historically Performed Best?
Ethereum shows strong seasonal differences in monthly performance. Based on the available historical monthly returns from 2015 to 2026, several interesting patterns stand out.
📈 Strongest Months
January has historically been one of Ethereum’s strongest months, with an average return of +28.55% and a median of +32.70%.
May is another standout month, averaging +30.51% with a median return of +12.10%.
March (+24.23%) and February (+23.44%) have also delivered strong historical returns. However, some of these averages are heavily influenced by exceptional early Ethereum years.
📉 Weaker Months
September is historically Ethereum’s weakest month, with an average return of −8.66% and a median of −9.14%.
June is also weak, averaging −8.10%, while its median return is −8.64%.
August has been mildly positive: its average return is +10.80% and its median is +8.41%, with a positive return in 6 of 12 years.
🔎 Key Takeaway
Ethereum has historically shown its strongest monthly performance during January, February, March, April and May, while June and September have generally been weaker.
The data also shows that Ethereum seasonality is highly volatile. Extreme returns, particularly during the early years of Ethereum, can significantly distort average monthly performance.
Historical seasonality can be useful for analysis and backtesting, but it should not be considered a reliable predictor of future Ethereum price movements.
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