ChainCatcher report, according to SoSoValue data, the total net outflow of spot Bitcoin ETFs amounted to $164 million. The spot Bitcoin ETF with the largest single-day net outflow yesterday was Fidelity’s FBTC, with a net outflow of $104 million; FBTC’s cumulative net inflow to date stands at $10.975 billion. Second was BlackRock’s IBIT, with a single-day net outflow of $33.9058 million; IBIT’s cumulative net inflow to date is $63.341 billion. As of the time of this report, the total net asset value of spot Bitcoin ETFs is $92.067 billion, with the ETF net asset ratio (market value as a percentage of Bitcoin’s total market cap) at 6.46%, and cumulative net inflows since inception reaching $56.373 billion.
Bitcoin spot ETFs recorded a $164 million net outflow, ending a seven-day streak of net inflows.
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Summary
Bitcoin news reports that Bitcoin spot ETFs experienced a $164 million net outflow on March 18, 2026, ending a seven-day streak of inflows. Fidelity’s FBTC led with a $104 million outflow, and BlackRock’s IBIT lost $33.9 million. Total net asset value remains at $92.07 billion, representing a 6.46% ratio to Bitcoin’s market capitalization. Bitcoin analysis suggests market sentiment may be shifting.
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