Coinbase Premium hits 12-month low at -0.17 as BTC eyes $66,800 target

Bitcoin fell below $87,000 and reached a five-week low near $86,000, while the Coinbase Premium Index slid to a 12-month trough around -0.17, signaling heavier US sell pressure. Technicals point to a measured downside toward $66,800, with $93,000 now a level to reclaim and US spot ETFs recording about $1.72 billion in five-day outflows.