Originally Posted by Goen

You want alert everytime new bar showup ? Is that what you mean with "the alert should come every time the slope changes" coz every time when the price is moving, the slope also will change.
As I see that indi 2nd and last bar always adjust and going to 0 point.
Observe that indi after running a few bar when you're online (try small TF so you can see what the indi do in shorter time rather than big TF), especially after changing the trend (positive to negative vice versa)