Great feature to see the stock current supply and demand with a visual chart. The bigger the area under the chart gives the strength of the demand(or supply)  side.  Plus,  you can toggle to aggregate by price to see the total volume for the level of price. You can see compare against other exchanges.  This makes us beginners to come up to speed with the current stock condition.  Best to add volatility of the stock. Overall,  a great place to learn the features from Moo app.  ...