OG Bitcoin holders' spending dropped to a 19-month low, as market cycle indicators point to September as a potential market bottom. Bitcoin (BTC) holders who acquired their coins more than five years ago have cut spending to a 90-day average of 962 BTC, the lowest level since November 2024, according to CryptoQuant data. The slowdown follows three major spending peaks over the past two years, including a high of 3,860 BTC in May 2024.