XRP (CRYPTO: XRP) spot ETFs pulled in $18.98 million this week while Bitcoin (CRYPTO: BTC) and Ethereum (CRYPTO: ETH) ETFs bled a combined $479 million in outflows. What the ETF Flow Data Shows U.S. spot XRP ETFs recorded inflows of $1.55 million on September 8, $12.29 million on September 9, and $5.14 million on September 10, extending their streak to three consecutive positive sessions according to SoSoValue.