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Exchange-Traded Fund (ETF) Bitcoin Records Largest Outflow in Over 3 Months While Solana Funds Continue to Show Positive Performance
The spot Bitcoin exchange-traded fund (ETF) recorded an outflow of US$635.23 million on May 13. This amount became the largest one-day outflow since January 29.
According to SoSoValue data, Bitcoin ETFs have experienced outflows for two consecutive days this week, threatening to end a six-week streak of positive weekly inflows. Currently, the weekly flow for this period is recorded at a negative US$841.19 million.
BTC ETF Inflow Record Halted
The previous six weeks brought approximately US$3.4 billion into spot Bitcoin products, marking the longest streak of positive weekly inflows since July 2025.
Additionally, April was the strongest month of 2026 for Bitcoin funds, reaching US$1.97 billion. BlackRock’s iShares Bitcoin Trust was the main driver of this activity.
This inflow trend continued into early May, with Bitcoin ETFs attracting US$1.68 billion between May 1 and 6, 2026. However, after that, the fund experienced outflows for four days, broken only by a small inflow of US$27.29 million on May 11.
Ethereum Funds
ETHUSD
also appears to be experiencing declining demand, with outflows recorded for three consecutive days.
Solana ETF Defies Trend
Although institutional interest generally declined, Solana remains a standout performer. The Solana ETF has not experienced a single outflow day in May, with total inflows of US$90.83 million over eight positive sessions and one stagnant day.
In comparison, the XRP ETF
XRPUSD
recorded three days without inflows or outflows in May. The Dogecoin ETF
DOGEUSD
only experienced three days of small inflows, while the Chainlink product
LINKUSD
recorded four days of inflows. This makes Solana the leader in the altcoin ETF category this month.
Outside SOL, the Hyperliquid ETF (HYPE) by 21Shares also maintained a positive record since its debut on May 12, gathering US$2.52 million over its first two sessions.