ওয়েটেড মুভিং এভারেজ ক্রসওভারের উপর ভিত্তি করে পরিমাণগত ট্রেডিং কৌশল

/*backtest
start: 2022-11-29 00:00:00
end: 2023-12-05 00:00:00
period: 1d
basePeriod: 1h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=3
strategy("Brad VWMACD Strategy 2233", overlay=false, max_bars_back=500,default_qty_type=strategy.percent_of_equity,commission_type=strategy.commission.percent, commission_value=0.18, default_qty_value=100)

// === INPUT BACKTEST RANGE === 
FromMonth = input(defval = 9, title = "From Month", minval = 1, maxval = 12)
FromDay   = input(defval = 1, title = "From Day", minval = 1, maxval = 31)
FromYear  = input(defval = 2018, title = "From Year", minval = 2017)
ToMonth   = input(defval = 1, title = "To Month", minval = 1, maxval = 12)
ToDay     = input(defval = 1, title = "To Day", minval = 1, maxval = 31)
ToYear    = input(defval = 9999, title = "To Year", minval = 2017)

// === FUNCTION EXAMPLE ===
start     = timestamp(FromYear, FromMonth, FromDay, 00, 00)  // backtest start window
finish    = timestamp(ToYear, ToMonth, ToDay, 23, 59)        // backtest finish window
window()  => time >= start and time <= finish ? true : false // create function "within window of time"

// === INPUT SMA === 
//fastMA    = input(defval = 16, type = integer, title = "FastMA", minval = 1 )
//slowMA    = input(defval = 23, type = integer, title = "SlowMA", minval = 1)

fastMA    = input(defval = 25, title = "FastMA", minval = 1 )
slowMA    = input(defval = 29,  title = "SlowMA", minval = 1)

Long_period = slowMA
Short_period = fastMA
Smoothing_period = input(9, minval=1)
xLongMAVolPrice = ema(volume * close, Long_period) 
xLongMAVol = ema(volume, Long_period) 
xResLong = (xLongMAVolPrice * Long_period) / (xLongMAVol * Long_period)
xShortMAVolPrice = ema(volume * close, Short_period) 
xShortMAVol = ema(volume, Short_period) 
xResShort = (xShortMAVolPrice * Short_period) / (xShortMAVol * Short_period)
xVMACD = xResShort - xResLong
xVMACDSignal = ema(xVMACD, Smoothing_period)
nRes = xVMACD - xVMACDSignal
//plot(nRes*20+slowMA, color=blue, style = line )
//plot(3000, color=red, style = line )


// === SERIES SETUP ===

buy  = crossover( xVMACD,xVMACDSignal)     // buy when fastMA crosses over slowMA
sell = crossunder( xVMACD,xVMACDSignal)  // sell when fastMA crosses under slowMA


// === SERIES SETUP === 

//buy  = crossover(vwma(close, fastMA),7+vwma(close, slowMA))     // buy when fastMA crosses over slowMA
//sell = crossunder(vwma(close, fastMA),vwma(close, slowMA)-7)    // sell when fastMA crosses under slowMA

// === EXECUTION ===
strategy.entry("L", strategy.long, when = window() and buy)  // buy long when "within window of time" AND crossover
strategy.close("L", when = window() and sell)                // sell long when "within window of time" AND crossunder         

// === EXECUTION ===
strategy.entry("S", strategy.short, when = window() and sell)  // buy long when "within window of time" AND crossover
strategy.close("S", when = window() and buy)                // sell long when "within window of time" AND crossunder         

plotshape(window() and buy, style=shape.triangleup, color=green, text="up")
plotshape(window() and sell, style=shape.triangledown, color=red, text="down")
plot(xVMACD*100, title = 'FastMA', color = orange, linewidth = 2, style = line)  // plot FastMA
plot(xVMACDSignal*100, title = 'SlowMA', color = aqua, linewidth = 2, style = line)    // plot SlowMA