T. Dog style chart script sets up moving averages and multi-color 50MA trend line.
study(title="TDChart", shorttitle="TD", overlay=true) EMA15 = ema(close, 15) MA50 = sma(close, 50) MA100 = sma(close, 100) MA200 = sma(close, 200) plot(EMA15,color = silver, style=line) plot(MA50, title = "Trend", color=change(MA50) >= 0 ? lime : red) plot(MA100,color = olive, style=line) plot(MA200,color = maroon , style=line)