সুপার ট্রেন্ডের উপর ভিত্তি করে বিটকয়েন পরিমাণগত ট্রেডিং কৌশল

/*backtest
start: 2024-01-06 00:00:00
end: 2024-02-05 00:00:00
period: 1h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// Developed by © StrategiesForEveryone
//@version=5

strategy("SuperTrend Strategy for BTCUSD 4H", overlay=true, process_orders_on_close = true, initial_capital = 100, default_qty_type = strategy.cash, precision = 2, slippage = 50, commission_value = 0.03, backtest_fill_limits_assumption = 50)

// ------ Date filter (obtained from ZenAndTheArtOfTrading) ---------

initial_date = input(title="Initial date", defval=timestamp("10 Feb 2014 13:30 +0000"), group="Time filter", tooltip="Enter the start date and time of the strategy")
final_date   = input(title="Final date", defval=timestamp("01 Jan 2030 19:30 +0000"), group="Time filter", tooltip="Enter the end date and time of the strategy")
dateFilter(int st, int et) => time >= st and time <= et
colorDate = input.bool(defval=false, title="Date background", tooltip = "Add color to the period of time of the strategy tester")
bgcolor(colorDate and dateFilter(initial_date, final_date) ? color.new(color.blue, transp=90) : na)

// ------------ Super Trend ----------

atrPeriod = input(9, "ATR Length SuperTrend")
factor = input.float(2.5, "Factor SuperTrend", step = 0.05)
[supertrend, direction] = ta.supertrend(factor, atrPeriod)
show_supertrend = input.bool(defval = false, title="Show supertrend ?", group = "Appearance")
bodyMiddle = plot(show_supertrend ? ((open + close) / 2) : na, display=display.none)
upTrend = plot(show_supertrend and direction < 0 ? supertrend : na, "Up Trend", color = color.green, style=plot.style_linebr)
downTrend = plot(show_supertrend and direction > 0 ? supertrend : na, "Down Trend", color = color.red, style=plot.style_linebr)
fill(bodyMiddle, upTrend, color.new(color.green, 90), fillgaps=false)
fill(bodyMiddle, downTrend, color.new(color.red, 90), fillgaps=false)

// ---------- Atr stop loss (obtained from garethyeo)

source_atr = input(close, title='Source', group = "Atr stop loss", inline = "A")
length_atr = input.int(14, minval=1, title='Period', group = "Atr stop loss" , inline = "A")
multiplier = input.float(1.5, minval=0.1, step=0.1, title='Atr multiplier', group = "Atr stop loss", inline = "A", tooltip = "Defines the stop loss distance based on the Atr stop loss indicator")
shortStopLoss = source_atr + ta.atr(length_atr) * multiplier
longStopLoss = source_atr - ta.atr(length_atr) * multiplier
show_atr_stoploss = input.bool(defval=false, title="Show Atr stop loss ?", group = "Appearance")
plot(show_atr_stoploss ? longStopLoss : na, color=color.white, style = plot.style_circles)
plot(show_atr_stoploss ? shortStopLoss : na, color=color.white, style = plot.style_circles)

// ------------- Money management --------------

strategy_contracts = strategy.equity / close
distance_sl_atr_long = -1 * (longStopLoss - close) / close
distance_sl_atr_short = (shortStopLoss - close) / close
risk = input.float(2.5, '% Account risk per trade', step=1, group = "Risk management for trades", tooltip = "Percentage of total account to risk per trade")
long_amount = strategy_contracts * (risk / 100) / distance_sl_atr_long
short_amount = strategy_contracts * (risk / 100) / distance_sl_atr_short

// ---------- Risk management ---------------

risk_reward_breakeven_long= input.float(title="Risk/reward for breakeven long", defval=0.75, step=0.05, group = "Risk management for trades")
risk_reward_take_profit_long= input.float(title="Risk/reward for take profit long", defval=0.75, step=0.05, group = "Risk management for trades")
risk_reward_breakeven_short= input.float(title="Risk/reward for break even short", defval=0.75, step=0.05, group = "Risk management for trades")
risk_reward_take_profit_short= input.float(title="Risk/reward for take profit short", defval=0.75, step=0.05, group = "Risk management for trades")
tp_percent=input.float(title="% of trade for first take profit", defval=50, step=5, group = "Risk management for trades", tooltip = "Closing percentage of the current position when the first take profit is reached.")

// ------------ Trade conditions ---------------

bought = strategy.position_size > 0
sold = strategy.position_size < 0
long_supertrend=ta.crossover(close, supertrend)
short_supertrend=ta.crossunder(close, supertrend)
var float sl_long = na
var float sl_short = na 
var float be_long = na
var float be_short = na
var float tp_long = na
var float tp_short = na
if not bought
    sl_long:=na
if not sold
    sl_short:=na

// ---------- Strategy -----------

// Long position 

if not bought and long_supertrend
    sl_long:=longStopLoss           
    long_stoploss_distance = close - longStopLoss
    be_long := close + long_stoploss_distance * risk_reward_breakeven_long
    tp_long:=close+(long_stoploss_distance*risk_reward_take_profit_long)
    strategy.entry('L', strategy.long, long_amount, alert_message = "Long")
    strategy.exit("Tp", "L", stop=sl_long, limit=tp_long, qty_percent=tp_percent)
    strategy.exit('Exit', 'L', stop=sl_long)
if high > be_long
    sl_long := strategy.position_avg_price
    strategy.exit("Tp", "L", stop=sl_long, limit=tp_long, qty_percent=tp_percent)
    strategy.exit('Exit', 'L', stop=sl_long)
if bought and short_supertrend
    strategy.close("L", comment="CL")

// Short position

if not sold and short_supertrend
    sl_short:=shortStopLoss
    short_stoploss_distance=shortStopLoss - close  
    be_short:=((short_stoploss_distance*risk_reward_breakeven_short)-close)*-1
    tp_short:=((short_stoploss_distance*risk_reward_take_profit_short)-close)*-1
    strategy.entry("S", strategy.short, short_amount, alert_message = "Short")
    strategy.exit("Tp", "S", stop=sl_short, limit=tp_short, qty_percent=tp_percent)
    strategy.exit("Exit", "S", stop=sl_short)
if low < be_short
    sl_short:=strategy.position_avg_price
    strategy.exit("Tp", "S", stop=sl_short, limit=tp_short, qty_percent=tp_percent)
    strategy.exit("Exit", "S", stop=sl_short)    
if sold and long_supertrend
    strategy.close("S", comment="CS") 

// ---------- Draw position on chart -------------

if high>tp_long
    tp_long:=na
if low<tp_short
    tp_short:=na
if high>be_long
    be_long:=na
if low<be_short
    be_short:=na

show_position_on_chart = input.bool(defval=true, title="Draw position on chart ?", group = "Appearance", tooltip = "Activate to graphically display profit, stop loss and break even")
position_price = plot(show_position_on_chart? strategy.position_avg_price : na, style=plot.style_linebr, color = color.new(#ffffff, 10), linewidth = 1)

sl_long_price = plot(show_position_on_chart and bought ? sl_long : na, style = plot.style_linebr, color = color.new(color.red, 10), linewidth = 1)
sl_short_price = plot(show_position_on_chart and sold ? sl_short : na, style = plot.style_linebr, color = color.new(color.red, 10), linewidth = 1)

tp_long_price = plot(strategy.position_size>0 and show_position_on_chart? tp_long : na, style = plot.style_linebr, color = color.new(#11eb47, 10), linewidth = 1)
tp_short_price = plot(strategy.position_size<0 and show_position_on_chart? tp_short : na, style = plot.style_linebr, color = color.new(#11eb47, 10), linewidth = 1)

breakeven_long = plot(strategy.position_size>0 and high<be_long and show_position_on_chart ? be_long : na , style = plot.style_linebr, color = color.new(#00ff40, 60), linewidth = 1)
breakeven_short = plot(strategy.position_size<0 and low>be_short and show_position_on_chart ? be_short : na , style = plot.style_linebr, color = color.new(#00ff40, 60), linewidth = 1)

position_profit_long = plot(bought and show_position_on_chart and strategy.openprofit>0 ? close : na, style = plot.style_linebr, color = color.new(#4cd350, 10), linewidth = 1)
position_profit_short = plot(sold and show_position_on_chart and strategy.openprofit>0 ? close : na, style = plot.style_linebr, color = color.new(#4cd350, 10), linewidth = 1)

fill(plot1 = position_price, plot2 = position_profit_long, color = color.new(color.green,90))
fill(plot1 = position_price, plot2 = position_profit_short, color = color.new(color.green,90))

fill(plot1 = position_price, plot2 = sl_long_price, color = color.new(color.red,90))
fill(plot1 = position_price, plot2 = sl_short_price, color = color.new(color.red,90))

fill(plot1 = position_price, plot2 = tp_long_price, color = color.new(color.green,90))
fill(plot1 = position_price, plot2 = tp_short_price, color = color.new(color.green,90))