সম্মিলিত কৌশল অনুসরণ করে মোমেন্টাম ব্রেকআউট এবং ট্রেন্ড

/*backtest
start: 2023-12-05 00:00:00
end: 2023-12-06 07:00:00
period: 1m
basePeriod: 1m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=4
strategy(title="Supertrend + Stoch Strategy", overlay=true)

// ---inputs---
pl = input(1.5, title="P/L", minval=0.1)
lossPercentage = input(1, title="Loss Percentage", minval=1, maxval=100)
atrPeriod = input(10, "ATR Length")
factor = input(3, "Supertrend Factor")
periodK = input(8, title="%K Length", minval=1)
smoothK = input(3, title="%K Smoothing", minval=1)
periodD = input(3, title="%D Smoothing", minval=1)
ema1l = input(25, title="EMA 1 Length", minval=1)
ema2l = input(50, title="EMA 2 Length", minval=1)
ema3l = input(100, title="EMA 3 Length", minval=1)
ema4l = input(200, title="EMA 4 Length", minval=1)

// ---lines---
ema1 = ema(close, ema1l)
ema2 = ema(close, ema2l)
ema3 = ema(close, ema3l)
ema4 = ema(close, ema4l)
trendUpper = ema1 > ema2 and ema3 > ema4
trendLower = ema1 < ema2 and ema3 < ema4

[supertrend, direction] = supertrend(factor, atrPeriod)
supertrendUpper = direction < 0
supertrendLower = direction > 0

k = sma(stoch(close, high, low, periodK), smoothK)
d = sma(k, periodD)
stochCrossOver = crossover(k, d)
stochCrossUnder = crossunder(k, d)

// ---plot---
plot(ema1, color=color.green)
plot(ema2, color=color.orange)
plot(ema3, color=color.blue)
plot(ema4, color=color.purple)

bodyMiddle = plot((open + close) / 2, display=display.none)
upTrend = plot(direction < 0 ? supertrend : na, "Up Trend", color = color.green, style=plot.style_linebr)
downTrend = plot(direction < 0 ? na : supertrend, "Down Trend", color = color.red, style=plot.style_linebr)
fill(bodyMiddle, upTrend, color.new(color.green, 95), fillgaps=false)
fill(bodyMiddle, downTrend, color.new(color.red, 95), fillgaps=false)

// ---stop place compute---
edge = 0.  // periodly high/low
edge := stochCrossOver ? high : stochCrossUnder ? low : k > d ? max(edge[1], high) : k < d ? min(edge[1], low) : edge[1]

// plot(edge)

// ---trade condition---
// longCond = trendUpper and supertrendUpper and stochCrossOver
// shortCond = trendLower and supertrendLower and stochCrossUnder
longCond = trendUpper and supertrendUpper and stochCrossOver and strategy.position_size == 0
shortCond = trendLower and supertrendLower and stochCrossUnder and strategy.position_size == 0

// ---stop & take---
stop = 0.
stop := nz(stop[1], stop)
take = 0.
take := nz(take[1], take)

if longCond
    stop := edge[1]
    take := close + (close - stop) * pl
if shortCond
    stop := edge[1]
    take := close - (stop - close) * pl

// ---trade---
qty = strategy.equity / abs(stop - close) / 100 * lossPercentage

strategy.entry("Buy", strategy.long, when=longCond, qty=qty)
strategy.exit("Close Buy","Buy", limit=take, stop=stop)

strategy.entry("Sell", strategy.short, when=shortCond, qty=qty)
strategy.exit("Close Sell","Sell", limit=take, stop=stop)

stopLine = plot(strategy.position_size != 0 ? stop : na, color=color.red, style=plot.style_linebr)
takeLine = plot(strategy.position_size != 0 ? take : na, color=color.green, style=plot.style_linebr)
entryLine = plot(strategy.position_size != 0 ? strategy.position_avg_price : na, color=color.blue, style=plot.style_linebr)
fill(entryLine, stopLine, color.new(color.red, 90), fillgaps=false)
fill(entryLine, takeLine, color.new(color.green, 90), fillgaps=false)