A Diff signal (to set up write to Palma: /diff) is sent when the observed investment moves by a certain percentage. Eg: Every time the price of Bitcoin changes by 2%. Set up by customizing your diff signal whenever you are in a position or are just curious about a certain coin-price movement. Use DEMO mode to learn trading with buy-low, sell-high.
For more details on how to create diff signal, go here: /diff signal