Strategy based on Aroon oscillator (viewtopic.php?f=17&t=671&p=5503#p5503).
If oscillator crosses upward [level] strategy close SELL order (if open) and open BUY order.
If oscillator crosses down [-level] strategy close BUY order (if open) and open SELL order.
The Strategy was revised and updated on November 21, 2018.