``` usage: decliners [-n NUM] [--export {csv,json,xlsx}] [-h] ``` Shows the ETFs trading down today. https://www.wsj.com/market-data/mutualfunds-etfs/etfmovers ``` optional arguments: -n NUM Number to show --export {csv,json,xlsx} Export dataframe data to csv,json,xlsx file -h, --help show this help message ``` Feature Screenshot - decliners