As September looms, is Ethereum due a seasonable pullback?

With September simply across the nook, Ethereum bulls are jittery, for the reason that ninth month of the calendar yr has sometimes been related to weak point by the number-two coin. With a mean lack of -6.42% since 2016, September is the one worst-performing month for Ethereum over most cycles.

Ethereum has been on a tear, fueled by establishments

Ethereum has been on a tear these days, closing in on all-time highs and respiration new life into the ETH group and past. As of mid-August 2025, ETH is buying and selling above $4,700, up roughly 76% year-to-date and about 25% simply for the reason that begin of August, marking its greatest worth efficiency for the reason that 2021 bull run.

Institutional inflows have been a serious driver of Ethereum’s rally, as spot ETH ETFs attracted almost $3 billion in internet inflows all through August, propelling costs larger and revealing new developments amongst institutional patrons.

Company treasury adoption can also be ballooning, with corporations collectively amassing over $17 billion in ETH reserves this yr alone, locking up provide and intensifying worth momentum.

Fundstrat co-founder and present chairman of BitMINE Immersion Applied sciences, Tom Lee, has made headlines this yr along with his firm’s strategic pivot to Ethereum.

In simply over a month, BitMINE collected the world’s largest company Ethereum treasury, boasting over $6.6 billion in ETH to turn out to be the most important ETH holder, surpassing even main funding and tech companies, reminiscent of ConsenSys.

Macro circumstances have remained favorable as properly, as dovish alerts from the U.S. Federal Reserve and enhancing international threat sentiment contributed to deeper institutional curiosity.

On-chain elements like DeFi exercise, and protocol upgrades like Pectra have additional lowered liquid provide and incentivized longer-term holding, creating highly effective tailwinds for ETH’s worth efficiency.

ETH’s infamous September weak point, bull run over?

Nevertheless, as September approaches, portfolio rebalancing after summer season runs, and tax-related promoting might serve to damper the flames of a sizzling summer season. Bitcoin and crypto dealer Crypto Rover questioned Ethereum’s curious seasonality, posting:

“SEPTEMBER IS USUALLY A BEARISH MONTH FOR $ETH

Not simply on the whole, however particularly in post-halving years.
2017: -21.65%
2021: -12.55%
2025: ???
What’s your prediction?”

ETH’s worth historical past reveals a persistent and infrequently brutal September sample. Since 2016, ETH good points in August are commonly worn out in September. In 2017, ETH rallied 92% in August, then dropped -21.65% in September, after China introduced a ban on ICOs.

In 2020, the Eth worth was up round 25%, adopted by a 17% pullback in September, and in August 2021, ETH discovered itself up some 35% solely to retrace by 12% in September.

Not everyone seems to be bearish on Eth

Regardless of the simple sample, not all analysts are bearish. Customary Chartered Financial institution not too long ago forecast ETH worth to succeed in $7,500 by year-end 2025, with a longer-term goal of $12,000 in 2026 and $18,000 by 2027.

On August 13, 2025, Tom Lee advised CNBC that he expects Ethereum to “maintain charging forward” with upside propelled by ETF inflows and institutional adoption pushing the value above $7,000 a coin.

Whereas the info suggests ETH faces a seasonal headwind in September, particularly after a powerful August, if ETH can buck its September curse, a bullish This fall awaits.

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