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Relative volume is smoother

Relative volume compares the current bar to a recent average, so it gives you a normalized read of participation instead of only flagging the loudest bars.

Spike markers are stricter

A spike marker is usually better when you only want the standout bars and do not care as much about the smaller changes between ordinary and elevated participation.

Use relative volume for monitoring and spikes for filtering

Relative volume works well when you want ongoing participation context. A spike marker works better when you want a cleaner yes-or-no filter around breakouts, reversals, or news bars.

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