The Aroon Up and Down indicator can detect the local tops and bottoms on the chart where it is attached to. This indicator offers buying and selling signals for Forex pairs when they rise from the bottom or fall from the top. The cross of the indicator lines shows you a good signal when to take profit or to exit with a minimum loss. Furthermore the The Aroon Up and Down can send you signals by email.
You can download the indicator here: https://www.mql5.com/en/code/13153