The ability to track your trades and see your profit or loss. It can be used to keep track of your profit/loss over time. It has a great customer service that is really helpful and makes you feel like you're not alone. I wish it had a better layout. It was very confusing to me when I first started using it. I also wish there was a way to export my trades to excel or csv so I can do my own analysis. It's a great tool to have in your arsenal to track your trades and profits. I am using it to track my trades and profits to do my own analysis.