```text usage: volume [-s] [--export {csv,json,xlsx}] [-h] ``` Charts historical volume of the added tickers. ``` optional arguments: -s, --scale Flag to not put all prices on same 0-1 scale (default: False) --export {csv,json,xlsx} Export dataframe data to csv,json,xlsx file (default: ) -h, --help show this help message (default: False) ``` Feature Screenshot - volume