DCA 220824
// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © tanoshimooo

//@version=5
strategy ("DCA", initial_capital=44700, overlay=true)

// To start script at a given date
tz = 0 //timezone
timeadj = time + tz * 60 * 60 * 1000 //adjust the time (unix)
t1 = timeadj >= timestamp(2003, 03, 01, 0, 0) ? 1 : 0 //get the starting time

// Variables
var float lastRef = na
if barstate.isfirst
    lastRef := close
var float cash = strategy.initial_capital  // available money
var float sell_contracts = na
var bool first_trade_done = false

// Parameters
var float sell_min = 200 //200 sell more than sell_min or sell all
var float buy_dollars = 200

var int bi = 90

// LONGS
// if bar_index < bi
strategy.order("Long", strategy.long, int(buy_dollars/close))
cash := cash - int(buy_dollars/close)*close
// label.new(bar_index, na, na, xloc.bar_index, yloc.abovebar, color.blue, label.style_triangleup, color.blue, size.tiny)

//plot(cash)

// SHORTS
// if longExit  
//     if (strategy.position_size*sf*close > sell_min) and (strategy.position_size*sf >= 1)
//         strategy.order ("Long", strategy.short, strategy.position_size*sf)
//         cash := cash + strategy.position_size*sf*close
//     else 
//         strategy.order ("Long", strategy.short, strategy.position_size)
//         cash := cash + strategy.position_size*close
//     lastRef := close
//     label.new(bar_index, na, na, xloc.bar_index, yloc.belowbar, color.red, label.style_triangledown, color.red, size.tiny)

if bar_index == last_bar_index - 2 // bi
    strategy.order ("Long", strategy.short, strategy.position_size)