So I'm trying to back test a strategy using bollinger bands.
I want the short signal to be whenever the high of a day is above the upper band, and I want the exit(buy) signal to be when the low penetrates the middle band. The thing I could think of was this:
Where: S= Signal (-1 is short, 1 is long)
TestHigh = High of my data
UPPER = Upper Bollinger Band
But all that does is short whenever the high is above the upper band. So now I really don't know what to do (I just started programming, so I'm very inexperienced).
Any help is appreciated!