MACD-এর উপর ভিত্তি করে ডিফিউশন চ্যানেল ট্রেন্ড অনুসরণ কৌশল

/*backtest
start: 2023-10-15 00:00:00
end: 2023-11-14 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/
// © Robrecht99

//@version=5
strategy("Trend Following with Donchian Channels and MACD", overlay=false, margin_long=100, margin_short=100, pyramiding=3)

// MACD //
fast_length = input(title="Fast Length", defval=12)
slow_length = input(title="Slow Length", defval=26)
src = input(title="Source", defval=close)
signal_length = input.int(title="Signal Smoothing",  minval = 1, maxval = 50, defval = 9)
sma_source = input.string(title="Oscillator MA Type",  defval="EMA", options=["SMA", "EMA"])
sma_signal = input.string(title="Signal Line MA Type", defval="EMA", options=["SMA", "EMA"])

col_macd = input(#2962FF, "MACD Line  ", group="Color Settings", inline="MACD")
col_signal = input(#FF6D00, "Signal Line  ", group="Color Settings", inline="Signal")
col_grow_above = input(#26A69A, "Above   Grow", group="Histogram", inline="Above")
col_fall_above = input(#B2DFDB, "Fall", group="Histogram", inline="Above")
col_grow_below = input(#FFCDD2, "Below Grow", group="Histogram", inline="Below")
col_fall_below = input(#FF5252, "Fall", group="Histogram", inline="Below")

fast_ma = sma_source == "SMA" ? ta.sma(src, fast_length) : ta.ema(src, fast_length)
slow_ma = sma_source == "SMA" ? ta.sma(src, slow_length) : ta.ema(src, slow_length)
macd = fast_ma - slow_ma
signal = sma_signal == "SMA" ? ta.sma(macd, signal_length) : ta.ema(macd, signal_length)
hist = macd - signal
plot(hist, title="Histogram", style=plot.style_columns, color=(hist>=0 ? (hist[1] < hist ? col_grow_above : col_fall_above) : (hist[1] < hist ? col_grow_below : col_fall_below)))
plot(macd, title="MACD", color=col_macd)
plot(signal, title="Signal", color=col_signal)

// Donchian Channels //

Length1 = input.int(title="Length Upper Channel", defval=50, minval=1, group="Donchian Channels Inputs")
Length2 = input.int(title="Length Lower Channel", defval=50, minval=1, group="Donchian Channels Inputs")
h1 = ta.highest(high[1], Length1)
l1 = ta.lowest(low[1], Length2)
fillColor = input.color(color.new(color.purple, 95), title = "Fill Color", group = "Donchian Channels Inputs")
upperColor = input.color(color.new(color.orange, 0), title = " Color Upper Channel", group = "Donchian Channels Inputs", inline = "upper")
lowerColor = input.color(color.new(color.orange, 0), title = " Color Lower Channel", group = "Donchian Channels Inputs", inline = "lower")
u = plot(h1, "Upper", color=upperColor)
l = plot(l1, "Lower", color=upperColor)
fill(u, l, color=fillColor)

//ATR and Position Size //
strategy.initial_capital = 50000
length = input.int(title="ATR Period", defval=14, minval=1, group="ATR Inputs")
risk = input(title="Risk Per Trade", defval=0.01, group="ATR Inputs")
multiplier = input(title="ATR Multiplier", defval=2, group="ATR Inputs")
atr = ta.atr(length)
amount = (risk * strategy.initial_capital / (multiplier * atr))

// Buy and Sell Conditions //

entrycondition1 = ta.crossover(macd, signal)
entrycondition2 = macd > signal
entrycondition3 = macd and signal > hist
sellcondition1 = ta.crossover(signal, macd)
sellcondition2 = signal > macd
sellcondition3 = macd and signal < hist

// Buy and Sell Signals //

if (close > h1 and entrycondition2 and entrycondition3)
    strategy.entry("long", strategy.long, qty=amount)
    stoploss = close - atr * 4
    strategy.exit("exit sl", stop=stoploss, trail_offset=stoploss)
if (sellcondition1 and sellcondition2 and sellcondition3)
    strategy.close(id="long")

if (close < l1 and sellcondition2 and sellcondition3)
    strategy.entry("short", strategy.short, qty=amount)
    stoploss = close + atr * 4
    strategy.exit("exit sl", stop=stoploss, trail_offset=stoploss)
if (entrycondition1 and entrycondition2 and entrycondition3)
    strategy.close(id="short")