# Age Distribution - [HODL Waves](https://docs.glassnode.com/guides-and-tutorials/metric-guides/age-distribution/hodl-waves.md): HODL Waves present a macro view of the age distribution of the coin supply and provides insight into changes to this age distribution arising from holding and spending behaviour. - [Realized Cap HODL Waves](https://docs.glassnode.com/guides-and-tutorials/metric-guides/age-distribution/realized-cap-hodl-waves.md): Realized Cap HODL Waves is a variant of HODL Waves that weighs active supply bands by their realized USD value (economic weight) as a proportion of the Realized Cap. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.glassnode.com/guides-and-tutorials/metric-guides/age-distribution.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.