The Last 50 Overlay

this indicator will put a mark on the last 50 candle/bar.
for the use of "RSI 80 - 20 Trading Sytem: Learn to Trade Divergence, and Find a Low Risk Way to Sell Near The Top or Buy Near The Bottom " by TradingStrategyGuides.com

You can Free download the PDF here https://drive.google.com/file/d/1QURNUJhVd2iK0KGA17Uoue-TcEGVJmto (GDrive)