Bitcoin's Realized Cap declined on Sept. 15 after 27 consecutive days of growth, while U.S. spot Bitcoin ETFs recorded net outflows of $450.4 million on Sept. 15 and a further $295.9 million on Sept. 16. Bitcoin price remained near $76,500 on Sept. 17, just below Glassnode's identified $76,700 True Market Mean. Glassnode indicates that a sustained break below $76,700 would shift attention to the $71,300 average acquisition price for short-term holders.