The change in percent over a specified number of candles
study(title="% Change over time period", shorttitle="%Change", overlay=false) len = input(10, minval=2, title="Period Length") src = input(ohlc4, title="Source") out = ((src[0] - src[len])/src[0])*100 plot(out, color=blue, title="%Change") plot(0, color=black, title="center line")