How Did Bitcoin and Ethereum Perform in Past Augusts? Here Are the Key Statistics You Need to Know

Bitcoin and Ethereum, after closing July with gains, entered August with historically weak performance data. Past monthly returns suggest that the possibility of a negative August close for both cryptocurrencies should not be ruled out.

Ethereum outperformed Bitcoin in July, gaining 18.5%, compared to Bitcoin’s 7% rise. Thus, $ETH’s monthly return was approximately 11.5 percentage points higher than Bitcoin’s.

However, Ethereum’s August performance since 2016 presents a more mixed picture. Of the 10 Augusts examined, $ETH only finished 4 with gains, while it experienced losses in 6 periods.

Ethereum’s strongest performance in August was seen in 2017, when $ETH rose by 92.86%. The sharpest decline occurred in 2018, with Ethereum losing 34.79% of its value on a monthly basis.

Ethereum’s average return in August since 2016 is 6.74 percent. However, the median return of -1.74 percent suggests that the positive average is largely due to a few strong periods, such as the extraordinary surge in 2017.

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Bitcoin’s historical August performance also doesn’t offer a clear bullish signal for investors. According to the data, Bitcoin’s average return in August is 1.06%, while the median return is -6.99%.

Although Bitcoin’s average return remained positive to a limited extent, the negative median data indicates that loss-making closes are more typical in August. Bitcoin has also exhibited volatile behavior in August recently. The asset rose 8.13% in August 2025, gained 2.95% in 2024, and declined 4.02% in 2023.

While historical data shows that average returns for both Bitcoin and Ethereum were positive in August, it’s noteworthy that median returns were in negative territory. This suggests that strong rallies push averages upward, but a more ordinary August might have resulted in a higher probability of negative performance.

*This is not investment advice.

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