U.S. spot Bitcoin ETFs recorded $136 million net inflows on September 24, marking 4 consecutive days of inflows.BlackRock's IBIT led with $98.8 million in inflows, bringing total 4-day inflows to $390.7 million.Spot Ethereum ETFs rebounded with $62.5 million in net inflows.Bitcoin price rose to $64,377, while Ethereum traded at $2,636.