parent_command: stocks/dps/
usage: dpotc [-h] [--export EXPORT] [--sheet-name SHEET_NAME [SHEET_NAME ...]]  Display barchart of dark pool (ATS) and OTC (Non ATS) data. [Source: FINRA]  optional arguments:   -h, --help            show this help message (default: False)   --export EXPORT       Export raw data into csv, json, xlsx (default: )   --sheet-name SHEET_NAME [SHEET_NAME ...]                         Name of excel sheet to save data to. Only valid for                         .xlsx files. (default: None)  For more information and examples, use 'about dpotc' to access the related guide.
Summary: Display a barchart of dark pool (ATS) and OTC (Non ATS) data for a specific stock symbol, with the option to export the data in various formats and save to a specific excel sheet. The data source is FINRA.

Examples:
- Display dark pool and OTC data for a specific stock: stocks/load <SYMBOL>/dps/dpotc
- Export dark pool and OTC data for a specific stock in csv format: stocks/load <SYMBOL>/dps/dpotc --export csv
- Save dark pool and OTC data for a specific stock to an excel sheet: stocks/load <SYMBOL>/dps/dpotc --sheet-name Sheet1