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U.S. Spot Crypto ETFs Return to Positive Flows After $2.4 Billion Weekly Surge

Analysts say Treasury long‑dated bond buybacks likely eased liquidity and helped lift ETF demand, leaving flows exposed to shifts in interest rates.

Overview

  • A multi‑day inflow streak that produced about $2.84 billion across six sessions and roughly $2.4 billion in the week ending Sept. 25 pushed year‑to‑date ETF flows back into modest positive territory for 2026.
  • BlackRock’s IBIT and Fidelity’s FBTC led the recent subscriptions with roughly $1.2 billion and $700–702 million respectively, while ARK/21Shares and Morgan Stanley also recorded notable weekly gains.
  • Ether and Solana ETFs registered material inflows during the same period, with Ether adding about $690 million for the week and Solana posting a record single‑day intake that lifted its weekly total to about $188 million.
  • Market observers link much of the buying to the U.S. Treasury’s decision to expand long‑dated bond buybacks in September, though commentators caution this timing does not prove a direct causal link.
  • Despite the rebound, the roughly $0.8–0.93 billion YTD inflow is small versus the $35.2 billion and $21.4 billion seen in 2024 and 2025, and fund flows remain volatile so further rate or policy moves could quickly reverse the trend.