Just my first experiment
//@version=2 strategy("Trend + EMA", overlay=true, initial_capital=10000, currency=currency.USD, pyramiding=0) tim=input("180", title="Period for trend") ema_period=input(180, type=integer, title="EMA period") opn = security(tickerid, tim, open) cls = security(tickerid, tim, close) emaline = ema(close, ema_period) plot(opn, color=red) plot(cls, color=green) plot(emaline, color=black) if (crossover(low, emaline)) strategy.entry("long", strategy.long) if (crossover(cls, opn) and emaline < opn and strategy.position_size == 0) strategy.entry("long", strategy.long) if (crossunder(cls, opn) and strategy.position_size > 0) strategy.close_all() if (crossunder(high, emaline) and high < emaline) strategy.entry("short", strategy.short) if (crossunder(cls, opn) and emaline > opn and strategy.position_size == 0) strategy.entry("short", strategy.short) if (crossover(cls, opn) and strategy.position_size < 0) strategy.close_all()