Bitcoin ETFs and Ethereum ETFs faced selling pressure on December 18, recording combined net outflows of $257.94 million.
Data from SoSoValue shows Bitcoin ETFs posted $161.32 million in outflows while Ethereum ETFs shed $96.62 million. This has extended their losing streak to six consecutive trading days.
Bitcoin ETFs Record Third Outflow Day in Four Sessions
Bitcoin ETFs saw $161.32 million in net redemptions on December 18, bringing cumulative inflows to $57.57 billion. This is the third day of outflows in the past four trading sessions.
Total trading volume reached $5.16 billion, while total net assets stood at $111.04 billion, down from $112.57 billion on December 17.
Fidelity’s FBTC led the outflows, with $170.28 million in redemptions, resulting in a 2,000 BTC reduction in its holdings. The product maintains $12.19 billion in cumulative inflows and $17.21 billion in total assets.

This is a reversal from December 17, when FBTC recorded the largest single-day inflow at $391.49 million.
BlackRock’s IBIT bucked the trend with $32.76 million in inflows, adding 385.72 BTC to its holdings. The product remains the largest Bitcoin ETF with $66.02 billion in total net assets and $62.66 billion in cumulative inflows.
Multiple Bitcoin ETFs Face Redemptions
Bitwise’s BITB recorded $11.54 million in outflows, losing 135.86 BTC. The product holds $3.32 billion in total assets with $2.17 billion in cumulative inflows.
ARK 21Shares (ARKB) saw $12.27 million exit, shedding 144.44 BTC and bringing its assets to $3.21 billion.
Grayscale’s products showed no activity on December 18. GBTC maintained its -$25.11 billion in cumulative outflows with $14.10 billion in total assets.
VanEck’s HODL, Invesco’s BTCO, Franklin’s EZBC, Valkyrie’s BRRR, WisdomTree’s BTCW, and Hashdex’s DEFI all reported zero inflows and outflows.
Bitcoin ETFs Face Volatile Week of Flows
The December 18 outflows follow a strong recovery on December 17, when Bitcoin ETFs posted $457.29 million in inflows.
Before that, the products faced two consecutive days of redemptions with $277.09 million exiting on December 16 and $357.69 million on December 15.
The volatility has pulled total assets down from $122.43 billion on December 10 to $111.04 billion on December 18.
Cumulative inflows have declined from $57.93 billion to $57.57 billion over the same period.
Ethereum ETFs Extend Losing Streak to Six Days
Ethereum ETFs continued their downward trend with $96.62 million in net outflows on December 18.
The sixth consecutive day of redemptions resulted in cumulative inflows decreasing to $12.52 billion from $12.62 billion on December 17.
BlackRock’s ETHA led the exodus with $102.24 million in outflows, losing 36,580 ETH. The product maintains $12.75 billion in cumulative inflows but has seen consistent redemptions throughout the week.

Grayscale’s ETHE posted $2.74 million in inflows, adding 979.82 ETH. The product has cumulative outflows of -$5.05 billion and total assets of $2.53 billion.
Grayscale’s ETH saw $2.89 million in inflows with 1,030 ETH added, bringing its assets to $1.99 billion.
All other Ethereum ETF products reported zero activity. Fidelity’s FETH, Bitwise’s ETHW, VanEck’s ETHV, Franklin’s EZET, 21Shares’ TETH, and Invesco’s QETH showed no flows.
Ethereum ETFs Face Steepest Decline Since Launch
The six-day losing streak is one of the longest outflow periods for Ethereum ETFs since their launch.
Total assets have fallen from $21.43 billion on December 10 to $17.07 billion on December 18. The decline amounts to a $4.36 billion reduction in just six trading sessions.
December 16 saw the worst single-day performance with $224.26 million in outflows, followed closely by December 15 with $224.78 million in redemptions.
The last positive flow day was December 10, when Ethereum ETFs recorded $57.58 million in inflows. Cumulative inflows have dropped from $13.15 billion to $12.52 billion during this period.
Solana ETFs Attract Capital
Solana spot ETFs reported $13.16 million in net inflows on December 18, bringing the cumulative total to $739.06 million. Trading volume reached $77.74 million with total assets standing at $876.34 million.
The consistent performance contrasts sharply with Bitcoin ETFs and Ethereum ETFs, which both face sustained redemption pressure.
Solana ETFs have maintained steady interest from investors, with daily inflows ranging from $3.60 million to $35.20 million throughout December.




