Bitcoin ETF Inflows Hit $175M as Spot Demand Extends; Ethereum ETFs Add $26.46M

U.S. spot Bitcoin ETFs logged $175 million in net inflows on Sept. 4 (ET), marking a third straight day of gains. Data from SoSoValue shows BlackRock's iShares Bitcoin Trust (IBIT) led the group with $117 million, while Fidelity's Wise Origin Bitcoin Fund (FBTC) brought in $57.22 million. Buying in Bitcoin ETFs coincided with Bitcoin pushing above $81,000 and a wave of short liquidations. Analyst Darkfost estimated ETFs absorbed about 9,450 BTC on Friday, valued at roughly $730.8 million, and tied the move to the breakout above $81,000. The analyst also said more than $448 million in short positions were liquidated over the past 24 hours. Spot Ethereum ETFs also finished the Sept. 4 session with $26.46 million in combined net inflows, though flows differed sharply by product. BlackRock's iShares Ethereum Trust (ETHA) recorded $57.79 million of inflows, while ETHB added $16.44 million. Fidelity's Ethereum Fund (FETH) posted $48.30 million in net outflows. Flow data over 2024–2026 highlights repeated surges and reversals. Coinglass figures show major Bitcoin ETF inflow bursts between October and December 2024, with some sessions reaching about $1.35 billion, while outflows neared $500 million in others. In March 2025, outflows climbed to around $1 billion as Bitcoin corrected. From April through July, several inflow days exceeded $800 million, including one session approaching $1.2 billion. Late 2025 and early 2026 saw repeated outflows around $800 million to $900 million alongside a price pullback, with the price line nearing the lower end of the chart by February 2026. More recently, August and early September posted multiple inflow spikes of roughly $600 million to $700 million, while outflows have been comparatively smaller.