This indicator is part of a very efficient and simple to use strategy. Basically, trading signals can be obtained by observing the crossing of two EMAs. Once the cross occurs, you can buy or sell at the maximum or minimum of the candle that makes the EMA cross.

Note: In Brazil, more specifically in the futures market, the indicative lines can also function as support or resistance due to the pranks of Smart Money. With a little attention, it can yield good profits.