Yeliz Akmaca 
As of October 15, Bitcoin (BTC) spot ETF recorded a total daily net outflow of $94 million, while Ethereum (ETH) ETF posted a modest inflow of $5.32 million.
According to data from SoSoValue, total trading volume across Bitcoin ETFs reached $4.55 billion, with total net assets rising to $152.66 billion — representing about 6.82% of Bitcoin’s market capitalization.
Bitcoin ETF Overview
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Total Daily Net Flow: -$94 million
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Cumulative Total Net Flow: $62.45 billion
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Largest Outflow: Grayscale’s GBTC, with a -$82.9 million outflow
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Top Fund by Net Assets: Fidelity’s FBTC, holding $23.12 billion
The day’s negative flow was primarily driven by Grayscale’s GBTC redemptions, while other funds such as Ark & 21Shares (ARKB) and Bitwise (BITB) showed minimal activity.
Ethereum ETF Overview
Ethereum ETFs maintained a positive trend, with daily net inflows totaling $5.32 million and cumulative inflows reaching $14.72 billion.
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Total Daily Net Flow: +$5.32 million
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Cumulative Total Net Flow: $14.72 billion
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Largest Inflow: Fidelity’s FETH fund with +$996,000
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Total Net Assets: $27.69 billion (≈5.66% of ETH market cap)
Grayscale’s ETHE remains the largest Ethereum ETF with $4.20 billion in assets, despite showing no daily flow.
Market Takeaway
The divergence between BTC and ETH ETF flows highlights shifting institutional sentiment. While Bitcoin ETFs experienced notable redemptions, Ethereum ETFs — led by Fidelity — continued to attract steady inflows. Overall, ETF cumulative data still points to strong long-term institutional engagement in crypto markets.
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