Bollinger Bands And Aroon Scalping (by Coinrule)
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © relevantLeader16058

//@version=4
strategy(shorttitle='Bollinger bands And Aroon Scalping',title='Bollinger bands And Aroon Scalping (by Coinrule)', overlay=true, initial_capital = 1000, process_orders_on_close=true, default_qty_type = strategy.percent_of_equity, default_qty_value = 30, commission_type=strategy.commission.percent, commission_value=0.1)

//Backtest dates
fromMonth = input(defval = 1,    title = "From Month",      type = input.integer, minval = 1, maxval = 12)
fromDay   = input(defval = 1,    title = "From Day",        type = input.integer, minval = 1, maxval = 31)
fromYear  = input(defval = 2020, title = "From Year",       type = input.integer, minval = 1970)
thruMonth = input(defval = 1,    title = "Thru Month",      type = input.integer, minval = 1, maxval = 12)
thruDay   = input(defval = 1,    title = "Thru Day",        type = input.integer, minval = 1, maxval = 31)
thruYear  = input(defval = 2112, title = "Thru Year",       type = input.integer, minval = 1970)

showDate  = input(defval = true, title = "Show Date Range", type = input.bool)

start     = timestamp(fromYear, fromMonth, fromDay, 00, 00)        // backtest start window
finish    = timestamp(thruYear, thruMonth, thruDay, 23, 59)        // backtest finish window
window()  => time >= start and time <= finish ? true : false       // create function "within window of time"


// BB inputs and calculations
lengthBB = input(20, minval=1)
src = input(close, title="Source")
mult = input(2.0, minval=0.001, maxval=50, title="StdDev")
basis = sma(src, lengthBB)
dev = mult * stdev(src, lengthBB)
upper = basis + dev
lower = basis - dev
offset = input(0, "Offset", type = input.integer, minval = -500, maxval = 500)


lengthAr = input(288, minval=1)
AroonUP = 100 * (highestbars(high, lengthAr+1) + lengthAr)/lengthAr
AroonDown = 100 * (lowestbars(low, lengthAr+1) + lengthAr)/lengthAr


Confirmation = input(90, "Aroon Confirmation")
Stop = input(70, "Aroon Stop")

Bullish = crossunder (close, basis)
Bearish = crossunder (close, upper)

//Entry 

strategy.entry(id="long", long = true, when = Bullish and AroonUP > Confirmation and window())

//Exit

strategy.close("long", when = Bearish or AroonUP < Stop and window())


