Inspired by Elder's 'The New Trading For a Living', page 93: "Kerry Lovvorn likes to plot 3 sets of lines around a moving average: at one, two, and three ATRs above and below an . These can be used for setting up entry points and stops, as well as profit targets."
- Added optional 2nd EMA
Fixed hide/show lines bug when custom transparency was set in style settings
Updated to Pine Script 4