From the bottom left-hand corner of the App, click "Trade">choose "Watchlist." Next, scroll down the page and click "Manage symbols." When you click "+" at the right side of the product's name in the "Add Symbols" section, you can add that product to your watchlist. When you click "x" at the left side of the product's name in the "My Watchlist" section, you will delete the product from your watchlist.