Bitcoin fell to 21-month lows as stock market volatility accompanied three-year highs in US PCE inflation, leading to $600 million in hourly crypto liquidations. The PCE print is the Fed's preferred inflation gauge, and a hotter reading hardens the rate-hold posture under Fed chair Kevin Warsh, which pressures long-duration risk assets including Bitcoin. Until inflation data shows a credible turn, the macro ceiling on any BTC recovery attempt remains firmly in place.