US spot Bitcoin ETFs saw $462.7M in weekly outflows after drawing roughly $3.8B over three weeks. Ecoinometrics says continued withdrawals would make $75,000 harder to hold. ETF flows after the Fed’s Sept. 16 decision will show whether withdrawals continue. https://cryptoslate.com/bitcoin-etfs-just-lost-463-million-as-the-fed-puts-btcs-75000-breakout-at-risk/