Technical indicators are calculations based on a security price and volume. They are used both to confirm the trend and the chart patterns' quality and to help to determine the buy and sell signals. They can be applied separately to form buy and sell signals, or used together in addition to chart patterns and price movement.
Technical analysis indicators can generate buy and sell signals through moving average crossovers and divergence. Crossovers express when price moves through the moving average or when two different moving averages cross each other. Divergence express when the price trend and the indicator trend move in opposite directions indicating weakness of the price trend direction.
Not all of the technical indicators are widely used in the Forex systems. The ones of utmost importance for developers and at least one of them is used to develop their trading strategy are the following:
FXTrackPRO Expert Advisor works with 3 different types of indicators at once. The interesting thing is that the EA does not use them simultaneously to determine an entry point, it uses them based on a certain algorithm.
WallStreet Forex Robot 3.0 Domination is a scalper EA that's not limited to the Asian session, opening positions around the clock with a fairly profitable outcome, a few indicators which are shipped with Metatrader are involved in a creative way, so the entry signals are determined. It has retry loops for opening/closing orders, denoting a certain degree of experience with automated live trading. Although the DLL programming is sometimes an obstacle for EAs running on multiple pairs with the same DLL, in this EA, this seems to be entirely thread-safe.