Does rebound require heavy volume?

Actually, it's like this, the same position,
How much volume is there at this position of the drop,
So how much volume is needed for a rebound at this position?
Otherwise, you have to sort out and digest it.
The rebound market itself is mostly a step-by-step rise.
Volume can be maintained or slightly increased. If the volume suddenly surges one day, it is likely a sign of ending.