মোমেন্টাম অনুসরণ কৌশল

/*backtest
start: 2023-10-23 00:00:00
end: 2023-11-22 00:00:00
period: 1h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=5
//Author @divonn1994

strategy(title='Trend Follower Strategy v2 [divonn1994]', shorttitle='TrendFollowStrategyV2', overlay=false, pyramiding=0, default_qty_value=100, default_qty_type=strategy.percent_of_equity, precision=7, currency=currency.USD, commission_value=0.1, commission_type=strategy.commission.percent, initial_capital=100)

//Important Constants for Classifying Candle Size----------------------------------------------------------------------------------------------------------------------------------------------

timesBigger = 2
crumbSize = 1400
crumbSize2 = 2100
bigCandleSize = 3800

//Key Alerts and Classifications of Candle Size and EMAs---------------------------------------------------------------------------------------------------------------------------------------

emaAlert = ta.ema(close, 8) > ta.ema(open, 8) ? 1 : 0 
CandleSize = close * 1 - open * 1
previousCandleSize = close[1] * 1 - open[1] * 1
greenCandle = close > open ? 1 : 0
previousGreenCandle = close[1] > open[1] ? 1 : 0

crumb = (greenCandle==1 and CandleSize<=crumbSize) or (greenCandle==0 and -CandleSize<=crumbSize) ? 1 : 0
bigCrumb = (greenCandle==1 and CandleSize<=crumbSize2 and CandleSize>crumbSize) or (greenCandle==0 and -CandleSize<=crumbSize2 and -CandleSize>crumbSize) ? 1 : 0
previousCandleIsSmallCrumb = (previousGreenCandle==1 and previousCandleSize<=crumbSize) or (previousGreenCandle==0 and -previousCandleSize<=crumbSize) ? 1 : 0
previousCandleIsBigCrumb = (previousGreenCandle==1 and previousCandleSize<=crumbSize2 and previousCandleSize>crumbSize) or (previousGreenCandle==0 and -previousCandleSize<=crumbSize2 and -previousCandleSize>crumbSize) ? 1 : 0

bigCandle = (greenCandle==1 and previousCandleIsBigCrumb==1 and CandleSize>=math.abs(timesBigger*previousCandleSize)) or (greenCandle==1 and previousCandleIsSmallCrumb==1 and CandleSize>=bigCandleSize) or (greenCandle==1 and previousCandleIsSmallCrumb==0 and previousCandleIsBigCrumb==0 and CandleSize>=math.abs(timesBigger*previousCandleSize)) ? 1 : 0

//Engine (Secret Sauce)------------------------------------------------------------------------------------------------------------------------------------------------------------------------

buy = (crumb==0 and bigCrumb==0 and greenCandle==0) or (greenCandle==1 and bigCandle==1) or (emaAlert==0) ? 0 : 1

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

if ta.crossover(buy, 0.5)
    strategy.entry('long', strategy.long, comment='long')
if ta.crossunder(buy, 0.5)
    strategy.close('long')

//Plot Strategy Behavior-----------------------------------------------------------------------------------------------------------------------------------------------------------------------

plot(buy, color=color.new(color.silver, 0))
plot(0.5, color=color.new(color.fuchsia, 0))