//@version=4
strategy("Viettech trade mạnh nhất", overlay=true)
HPeriod = input(16, "HIGH Period")
LPeriod = input(48, "LOW Period")
hsma = 0.0
lsma = 0.0
hsma := sma(high, HPeriod)
lsma := sma(low, LPeriod)
HLd = iff(close > nz(hsma[1]), 1, iff(close < nz(lsma[1]), -1, 0))
HLv = valuewhen(HLd != 0, HLd, 0)
HiLo = iff(HLv == -1, hsma, lsma)
HLcolor = HLv == -1 ? color.maroon : color.blue
plot(HiLo, linewidth=2, color=HLcolor)
if HLv == -1
strategy.entry("short", strategy.short)
else
if HLv == 1
strategy.entry("long", strategy.long)
Giải thích cú pháp: