Bitcoin closed October 2026 with a 7.3% price correction. This weakness follows a roughly 4% decline in October of the previous year, according to CoinGlass data, marking two consecutive years of disruptions to the bullish seasonal trend known as “Uptober.”
The crypto community and market participants dubbed the month “Black October” or “Hacktober” following a wave of security exploits. One of the primary events weighing on market sentiment was a record $6.3 billion breach at crypto exchange Binance.
This red finish broke a streak of positive returns that had previously been recorded in ten out of thirteen observed years.
Accumulation Shifts to September
Andrew Yang, a researcher at Kaiko, noted that October historically represents the month with the strongest median return for Bitcoin, reaching 15.4%. The pioneer cryptocurrency recorded monthly gains in 10 out of 13 observed years through 2025.
However, that calendar rhythm has begun shifting in recent years. September, traditionally associated with sluggish market performance, has consistently posted gains every year since 2023. That shift reflects anticipation among market participants who chose to accumulate assets earlier ahead of October.
The scope for seasonal price surges has also narrowed compared to previous years. Bitcoin’s typical average monthly fluctuation fell from 14% between 2013 and 2016 to 9.6% since 2024. This decline in volatility has tightened the room for sharp seasonal rallies in the market.
Why Calendar Cycles Are Losing Influence
Justin d’Anethan, Head of Research at Arctic Digital, highlighted that current market movements are dominated by macro liquidity and institutional capital flows. According to his analysis, price direction is now determined by the rotation of large players’ funds rather than past seasonal habits.
That dynamic was clearly evident in US exchange trading data throughout October. US spot Bitcoin ETF products recorded net outflows of $515 million. At the same time, spot Ether ETFs faced a record monthly withdrawal reaching $1.61 billion.
CryptoQuant Head of Research Julio Moreno emphasized that Bitcoin’s price performance is influenced more by spot demand dynamics and broader market cycle phases than by seasonal calendar cycles. Spot selling pressure and institutional capital withdrawals exert a direct impact on market price formation.
For market participants relying on calendar patterns, back-to-back October corrections paint a clear picture. When ETF outflows reach hundreds of millions of dollars and asset accumulation shifts earlier into September, spot liquidity dynamics prove far more decisive for portfolio results than the name of the month on the calendar.
Reported via Cointelegraph.
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Disclaimer: This article is for informational and educational purposes only, not financial advice. Cryptocurrency assets are highly volatile and carry significant risk. Always do your own research (DYOR) and never invest more than you can afford to lose.
