U.S. Spot Bitcoin and Ether ETFs Log Strong Inflows on Sept. 18 (ET), Adding $433 Million and $144 Million

AI Market Summary
Strong Sept. 18 net inflows into spot crypto ETFs signal renewed institutional demand and supportive market positioning. Spot Bitcoin ETFs drew $433m (dominated by Fidelity FBTC $311m and BlackRock IBIT $108m), while spot Ethereum ETFs added $144m (led by BlackRock ETHA $114m and Fidelity FETH ~$26.2m). The magnitude and concentration of flows can tighten near-term liquidity and improve risk sentiment across crypto.
Impact level
● High
Affected assets
BTC/USDT+4.54%
AI Insight · BTC/USDTAI Insight
▲ Bullish
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U.S.-listed spot Bitcoin ETFs attracted $433 million in net inflows on Sept. 18 (ET). Fidelity's FBTC led with $311 million, followed by BlackRock's IBIT with $108 million. Spot Ethereum ETFs posted $144 million in net inflows the same day. BlackRock's ETHA topped the group with $114 million, and Fidelity's FETH added $26.2449 million.