Supply by coin-age band across time — Supply by coin-age band across time (young = red, old = violet). Views: BTC / % share / USD value
HODL waves (over time) describes how Bitcoin supply is distributed across holder cohorts: Supply by coin-age band across time. It makes accumulation, distribution and the age of held coins easier to compare across cycles.
Watch the cool, old-coin bands: when they thicken, holders are sitting tight. When warm young bands swell, new money is arriving fast — typically late in a bull run.
This chart moves slowly on purpose. Check it monthly, not hourly.