US spot Bitcoin ETFs attracted $313.6 million in net inflows between September 1 and September 18. Across 13 trading sessions, six ended positive and seven ended negative, illustrating a volatile market. On September 3, $730.9 million flowed into these funds, while September 18 saw $433 million in net inflows, including $310.7 million for Fidelity FBTC and $108.4 million for BlackRock IBIT. Cumulative inflows reach approximately $55.16 billion, but total assets stand at $102.5 billion, meaning nearly half of that value comes from Bitcoin price appreciation rather than new capital. Grayscale GBTC continues its streak of net redemptions as investors migrate to lower-fee alternatives.
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