This is the Gann Square Technique that i saw from the YT channel "WD Gann Price & Time Technical Analysis". The horizontal lines can act like Fibonnacci Retracement
This script display Gann Fann/trend lines that u can use like support and resistance.
There can be a problem if u try to display all the squares and lines, this for the limitation of line for part of...
PRO SINEWAVE IS BASED ON ADVANCED CYCLE ANALYSIS :
It watches the prices movements and see if there is cyclical components in it or not (a market that is not cyclical is basically in trend (either buyers or sellers are predominant).
The indicator then studies those price cycles and process them through a sophisticated algorithm ( 3 years of day by day...