Gann Grid is a forex trading indicator. The Gann Grid is a very simple forex trading indicator. Gann Grid is a momentum based forex trading indicator. When the momentum gathers in the market this indicator signals you to buy and sell. You can use this single indicator to generate consistent profits in the market. The Gann Grid Indicator is too simple, the indicator can be used by beginner traders as well as the expert traders to make money in the forex market.