When the percentage of 1-year HODL coins decreases, it often indicates that long-term holders are selling their Bitcoin, usually in response to rising prices. This behavior often coincides with market cycle highs, suggesting that large sell-offs may be approaching.

Movement of coins from long-dormant whale addresses often signals significant market events, as these holders typically represent early adopters with strong conviction. When these long-term holders begin moving coins after years of inactivity, it may precede major market shifts as smart money repositions before broader market participants.