- Bitcoin encounters typical September weakness, affecting related cryptocurrencies.
- Core market players emphasize seasonal volatility.
- Altcoins show correlation with Bitcoin patterns.
Bitcoin’s price is experiencing the ‘Septembear’ effect in September 2025, with notable figures such as Michael Saylor and Arthur Hayes commenting on this seasonal volatility pattern.
The recurring pattern underscores investor caution, impacting correlated assets and raising awareness about potential short-term declines, particularly in Ethereum and other Layer 1 tokens.
Bitcoin’s price is reflecting historical patterns of September weakness, commonly known as the “Septembear” effect. This month often marks a period of local highs followed by a corrective phase, demonstrating typical seasonal volatility.
Prominent figures such as Michael Saylor and Arthur Hayes highlight September volatility in the market. Saylor described Bitcoin as an “apex asset” while Hayes mentioned “sell-side pressure” due to quarterly factors.
The cryptocurrency industry experiences a pause in institutional flows, influencing broader market dynamics. Many major cryptocurrencies, including ETH, show increased volatility correlated with Bitcoin’s price movements.
Financial impacts are notable, with Bitcoin’s recent price at $118,838.03, showing a decline. Yet, a 10.72% rise over the last 30 days parallels typical cycles of sharp August rallies preceding September pullbacks. Michael Saylor emphasized, “Bitcoin remains the apex asset for long-term holders, temporal volatility in September is routine for resilient hands.” Source
The cryptocurrency market frequently exhibits such September volatility, impacting a wide array of tokens. Historical trends suggest a recurring pattern of risk-off behavior impacting broader financial markets.
Insights based on historical data and expert analysis suggest temporary declines in governance tokens and Layer 1/2 assets due to Bitcoin’s price movements. On-chain data supports a decrease in risk appetite, marking reduced liquidity. Arthur Hayes has noted, “Historically, #Bitcoin sees sell-side pressure in September—a product of quarterly reporting, tax positioning, and cyclic liquidity rotations. Buckle up for potential whipsaw moves.” Source
