U.S. spot Bitcoin ETFs recorded a net inflow of $2.65 billion in September, marking the second-largest monthly inflow since October 2025. During the same period, spot Ethereum ETFs also attracted $832.43 million, achieving their second-highest monthly inflow since August 2025. Although September's inflows were lower than August's $3.52 billion, Zeus Research analyst Dominick John noted that this indicates sustained strong institutional demand and improving market sentiment, potentially signaling a bullish pattern for Q4. On the first day of October, Bitcoin ETFs continued to see inflows of $102.7 million, while Ethereum ETFs experienced outflows of $55.4 million.