Bitcoin posts strongest August performance since 2017
A month historically known for losses delivered a roughly 25-30% gain, fueled by record short liquidations and billions in ETF inflows
Bitcoin just did something in August that it hasn’t done in nearly a decade: it made August look good.
The largest cryptocurrency by market cap gained approximately 25-30% over the course of the month, rallying from early-August lows near $62,000-$64,000 to briefly surpass $81,000 before settling around $78,000-$79,000 by August 30. That makes it Bitcoin’s strongest August since 2017, when the asset surged roughly 65% in the same month and kicked off one of the most iconic bull runs in crypto history.
A month that usually hurts
August is historically one of Bitcoin’s worst-performing months. Since 2013, the median return for August sits at approximately negative 7%.
This year flipped that script entirely. The rally was punctuated by violent moves, most notably a single day that saw $2.75 billion in short liquidations, a record-setting cascade that forcibly closed bearish positions and accelerated the upward momentum.
What sparked the rally
Several factors converged to produce the breakout. Expanded liquidity expectations tied to US Treasury bond buyback results gave macro-sensitive traders a reason to get aggressive.
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US spot Bitcoin ETFs pulled in $1.92 billion in inflows during the rally week alone. The buying came through institutional channels, through regulated products that pension funds and wealth managers can actually touch.
Bitcoin also breached its 200-day moving average at approximately $69,000, a level that many algorithmic and systematic strategies use as a signal.
The bigger picture is still complicated
Despite the impressive monthly gain, Bitcoin remains down roughly 28-33% on a year-to-date basis as of late August. The asset is still trading well below its 2025 peak near $126,000, with a $79,000 price sitting about 37% below that level.
The 2017 comparison is both encouraging and cautionary. That year’s August surge did precede a massive run that took Bitcoin from around $4,700 to nearly $20,000 by December. But 2017’s market structure was fundamentally different: no ETFs, far less institutional participation, and a regulatory environment that was mostly just confused rather than actively engaged.
Nearly $2 billion entering spot ETFs in a single week suggests that serious capital is repositioning. Resistance near the $81,000 level that Bitcoin briefly touched will be the first real test of whether this rally represents a genuine inflection point or a sharp bear market relief move.