Lawyers Trend Pro Strategy
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © ErdemDemir

//@version=4
strategy("Lawyers Trend Pro Strategy", shorttitle="Lawyers Trend Pro Strategy", overlay=true)

src = close
mult = 2.0
basis = sma(src, 20)
dev = mult * stdev(src, 20)
upper = basis + dev
lower = basis - dev
offset = 0


lower2 = lowest(20)
upper2 = highest(20)
basis2 = avg(upper2, lower2)


MB= (basis+basis2)/2





col1=close>MB
col3=MB>close
colorE = col1 ? color.blue : col3 ? color.red : color.yellow
p3=plot(MB, color=colorE, linewidth=3)

// Deternine if we are currently LONG
isLong = false
isLong := nz(isLong[1], false)

// Determine if we are currently SHORT
isShort = false
isShort := nz(isShort[1], false)

// Buy only if the buy signal is triggered and we are not already long
buySignal = not isLong and crossover(close,MB)

// Sell only if the sell signal is triggered and we are not already short
sellSignal= not isShort and crossover(MB,close)
if (buySignal)
    isLong := true
    isShort := false

if (sellSignal)
    isLong := false
    isShort := true







/// LONG
strategy.entry("long", true , when = buySignal, comment="Open Long")

strategy.close("long", when=sellSignal, comment = "Close Long")

/// SHORT
strategy.entry("short", false,  when = sellSignal, comment="Open Short")

strategy.close("short", when=buySignal, comment = "Close Short")

