When the gray and black pair of lines cross each other and the green and red pair of lines cross each other all at the same time, (double crossover) that’s your indication to buy or sell.

BUY: A double crossover, at or or below the red line, pointing up, indicates BUY.
SELL: A double crossover, at or or above the green line, pointing up, indicates SELL.

An echo is a little movement within a larger market trend. These become profitable market fluctuations.

As the market never just goes one direction. It climbs there in steps. The echo indicators helps you identify if their will be another step continuing in that direction. Having an indicator that identifies those steps, they can then be predictably traded for reoccurring profit.

This indicator is actually one of our easiest to learn, safest, and profitable to trade.