BTC stalls below $80K as ETF outflows spread beyond Grayscale to IBIT and FBTC

Bitcoin is trading around $78,400 — caught between two on-chain cost-basis levels that matter more than the round-number $80,000 target. The True Market Mean sits at roughly $77,990 and the Short-Term Holder cost basis at approximately $78,770, meaning the average recent buyer is currently underwater. That's the psychological environment where weak hands look to exit near break-even, not add.

The institutional bid that carried BTC through most of April is visibly softening. Spot ETF net outflows hit $263 million on April 27, followed by another $89.7 million on April 28. Crucially, the weakness is no longer a Grayscale-specific legacy story: BlackRock's IBIT posted $112.2 million in outflows, and Fidelity's FBTC led the prior session's reversal at $150.4 million. When the primary institutional allocation vehicles pull back simultaneously, the structural cushion under price thins.

All…