For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
TradingView - The best charting tool for crypto and stocks
Dropbox - Online Sync and File Sharing
eToro - The social investment network that connects traders from around the globe and enables them to share...
Google Drive - Access and sync your files anywhere
Robinhood - Free stock trading service.
Mega - Secure File Storage and collaboration