My Script

//version=6
strategy("My Script")

rsi = rsi(close, 14)

rsi_d = security(syminfo.tickerid, "D", rsi)
rsi_w = security(syminfo.tickerid, "W", rsi)
rsi_m = security(syminfo.tickerid, "M", rsi)

if crossover(rsi, 40) and rsi_d > 40 and rsi_w > 40 and rsi_m > 40
strategy.entry("buy", strategy.long)

if crossover(rsi, 60)
strategy.close("buy")