This script based on Simple Moving Average and Exponential Moving Average.
The Red Line is an exponential moving average with small length. It act as a main line. The Black Line is an average of some past data of exponential moving average. Act as Trend Line The green circles is an exponential moving average with medium length. It act as a signal line.
The Idea is, when the price move higher from it past,past,past, repeatedly in some duration, it will gain enough energy to fly to the highest.
Buy signal when red line cross down green circle. strong buy when red line cross down black line. Sell signal when red line cross down green circle. strong buy when red line cross down black line.
Additional 1: Triangle up(blue) indicate Buy Signal. it happen when the price break resistant with some condition and volume>1m Triangle down(maroon) indicate Sell Signal. it happen when the price break support with some condition and volume>1m
The more triangle show in series, the strong the trend to move accordingly.