On Sept. 18 (ET), spot Bitcoin ETFs saw total net inflows of $433 million, led by Fidelity's FBTC with $311 million, followed by BlackRock's IBIT with $108 million. Spot Ethereum ETFs recorded total net inflows of $144 million, with BlackRock's ETHA leading with $114 million, followed by Fidelity's FETH with $26.2449 million.