Ethereum is the second-largest cryptocurrency by market capitalization. Many investors are interested in its prospects.
The Quickex editorial team analyzed ETH’s position and prepared an Ethereum forecast for October 2025. Here’s what the month may look like for the market’s second-largest coin.
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A Typical October for Ethereum
October, judging by observations, is one of the best months for ETH. Over the past 9 years of observations, the cryptocurrency finished October in the green 6 times.
At the time of writing, ETH is likely to close September lower. That said, historically a “red” September is most often followed by a “green” October.
How Ethereum’s price changed by month. Source: bitcoinmonthlyreturn
Dependence on Bitcoin
Bitcoin is the market’s flagship, and overall dynamics depend on its “health.” Therefore, when making an Ethereum price prediction for October 2025, it’s also worth considering BTC’s outlook. Here are the main points:
According to cycle theory, October is the last month in which Bitcoin has a chance to renew its cyclical high. Otherwise, the peak will remain August 2025.
Whales are actively selling Bitcoin. Retail, judging by declining exchange BTC balances, is still waiting for a new BTC surge. Unfortunately, it’s often the whales who correctly anticipate the cryptocurrency’s next moves. Therefore, there’s a risk that Bitcoin won’t be able to resume growth in October. In that case, ETH won’t get support from the bulls either.
At the time of writing, Ethereum’s all-time high was recorded on August 24, 2025 at $4,953. If Bitcoin fails to restore the bull run, this level may become ETH’s cyclical high.
Additional Factors
Spot ETFs on the cryptocurrency provide strong support for Ethereum. Their launch drew institutional attention to ETH. Therefore, when making an Ethereum forecast for October 2025, it’s also important to track inflows and outflows into the instrument.
Unfortunately, the chart clearly shows declining inflows. Moreover, September saw some of the largest outflows. The changes point to decreasing investment attractiveness of ETH.
Spot Ethereum ETF inflows and outflows. Source: The Block
There’s another problem — mass validator exits. The validator exit queue, at the time of writing, has reached 38 days. The cryptocurrency they withdraw from the network may end up on the market. Judging by the queue length, exchanges could soon see about 2.7 million ETH flow in, with Ethereum’s circulating supply at 120.7 million.
At the same time, as with Bitcoin, ETH reserves on crypto exchanges continue to decline. This indicates that the supply of Ethereum on exchanges is shrinking. The emerging shortage may support the ETH price.
Ethereum exchange balances. Source: CryptoQuant
It’s also worth noting continued interest in ETH from companies building crypto treasuries. For example, over the past 30 days BitMine acquired 702,155 ETH. As a result, more than 2% of ETH’s supply has ended up in the company’s reserves.
Statistics of Ethereum purchases by companies. Source: coingecko
Ethereum Forecast for October: Conclusions
Historically, October is favorable for Ethereum, but the coin’s prospects depend largely on Bitcoin’s dynamics. If BTC fails to resume growth, ETH also risks not showing strong movement.
The asset is supported by institutional investment via ETFs and interest from large companies, but declining fund inflows and mass validator exits create pressure on the market.
Exchange balances, however, continue to shrink, which could create a shortage and support the price.
As a result, October for ETH promises to be a volatile month. The final outcome will be determined by the behavior of Bitcoin and institutional players. The analysis suggests that the base scenario for ETH in October is still growth.
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