In September 2025, Bitcoin displays traditional volatility driven by institutional flows and macroeconomic factors. This article examines the key reasons behind current market fluctuations.
September Bitcoin Volatility
Bitcoin is experiencing typical September volatility, reflecting a historical trend with ETF flows and macroeconomic factors. Analytical data shows a decrease in Bitcoin reserves and reduced self-custody activity, indicating cautious market sentiment.
Role of Institutional Investors
Recent institutional focus on Bitcoin has shifted liquidity dynamics, with the market cap stabilizing at $2.2 trillion and 24-hour trading volumes near $59.45 billion. In the absence of significant regulatory changes, participants expect macroeconomic triggers from central banks in mid-month announcements.
Comparison with Ethereum
In contrast, Ethereum’s increased self-custody indicates positive accumulation trends, differing from Bitcoin's dynamics. Key leadership from developers remains silent, further highlighting the differences in market dynamics between the two cryptocurrencies.
Key insights highlight the impact of institutional activity on cryptocurrency markets in September. Bitcoin and Ethereum are demonstrating different approaches to self-custody, reshaping current market perceptions and anticipating further changes in the second half of 2025.
