
In August 2026, US-listed spot Bitcoin ETFs experienced their strongest month with $3.52 billion in net inflows, driven by a 25% surge in Bitcoin's price. This inflow significantly reduced the year-to-date net outflows from $5.29 billion to $1.77 billion and pushed total ETF assets close to the $100 billion mark. However, September began with a sharp reversal as Bitcoin ETFs recorded $236.46 million in net outflows on the first day, mainly from BlackRock's iShares Bitcoin Trust. This early September outflow raises caution despite the strong August performance, indicating potential volatility ahead for Bitcoin ETF investors.