মোমেন্টাম এবিসিডি প্যাটার্ন কৌশল

/*backtest
start: 2023-09-16 00:00:00
end: 2023-09-23 00:00:00
period: 45m
basePeriod: 5m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

// @version=4
// @author=Daveatt - BEST

// ABCD Pattern Strat

StrategyName        = "BEST ABCD Pattern Strategy"
ShortStrategyName   = "BEST ABCD Pattern Strategy" 

// strategy(title=StrategyName, shorttitle=ShortStrategyName, overlay=true, 
//  pyramiding=2, default_qty_value=100, precision=7, currency=currency.USD,
//  commission_value=0.2,commission_type=strategy.commission.percent, initial_capital=1000000,
//  default_qty_type=strategy.fixed)

filterBW = input(false, title="filter Bill Williams Fractals?")

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////// UTILITIES ///////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

//  ||-----------------------------------------------------------------------------------------------------||
//  ||---   Fractal Recognition Functions:  ---------------------------------------------------------------||
isRegularFractal(mode, _high, _low) =>
    ret = mode == 1 ? _high[4] < _high[3] and _high[3] < _high[2] and _high[2] > _high[1] and _high[1] > _high[0] :
     mode == -1 ? _low[4] > _low[3] and _low[3] > _low[2] and _low[2] < _low[1] and _low[1] < _low[0] : false

isBWFractal(mode, _high, _low) =>
    ret = mode == 1 ? _high[4] < _high[2] and _high[3] <= _high[2] and _high[2] >= _high[1] and _high[2] > _high[0] :
     mode == -1 ? _low[4] > _low[2] and _low[3] >= _low[2] and _low[2] <= _low[1] and _low[2] < _low[0] : false

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
////////////////////////////// ABCD PATTERN ///////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////

f_abcd()=>

    _r = timeframe.period
    _g = barmerge.gaps_off
    _l = barmerge.lookahead_on

    _high = high
    _low = low

    filteredtopf = filterBW ? isRegularFractal(1, _high, _low) : isBWFractal(1, _high, _low)
    filteredbotf = filterBW ? isRegularFractal(-1, _high, _low) : isBWFractal(-1, _high, _low)

    //  ||---   ZigZag:
    istop = filteredtopf
    isbot = filteredbotf
    topcount = barssince(istop)
    botcount = barssince(isbot)

    zigzag = (istop and topcount[1] > botcount[1] ? _high[2] :
     isbot and topcount[1] < botcount[1] ? _low[2] : na)

    x = valuewhen(zigzag, zigzag, 4) 
    a = valuewhen(zigzag, zigzag, 3) 
    b = valuewhen(zigzag, zigzag, 2) 
    c = valuewhen(zigzag, zigzag, 1) 
    d = valuewhen(zigzag, zigzag, 0)

    xab = (abs(b-a)/abs(x-a))
    xad = (abs(a-d)/abs(x-a))
    abc = (abs(b-c)/abs(a-b))
    bcd = (abs(c-d)/abs(b-c))

    // ABCD Part
    _abc = abc >= 0.382 and abc <= 0.886
    _bcd = bcd >= 1.13 and bcd <= 2.618
    
    _bull_abcd = _abc and _bcd and d < c 
    _bear_abcd = _abc and _bcd and d > c

    _bull   = _bull_abcd and not _bull_abcd[1]
    _bear   = _bear_abcd and not _bear_abcd[1]

    [_bull, _bear, zigzag]

lapos_x = timenow + round(change(time)*12)

[isLong, isShort, zigzag]  = f_abcd()

plot(zigzag, title= 'ZigZag', color=color.black, offset=-2)
plotshape(isLong, style=shape.labelup, location=location.belowbar, color=color.new(color.green, 0), size=size.normal, text="ABCD", textcolor=color.white)
plotshape(isShort, style=shape.labeldown, location=location.abovebar, color=color.new(color.maroon, 0), size=size.normal, text="ABCD", textcolor=color.white)


long_entry_price    = valuewhen(isLong, close, 0)
short_entry_price   = valuewhen(isShort, close, 0)

sinceNUP = barssince(isLong)
sinceNDN = barssince(isShort)

buy_trend   = sinceNDN > sinceNUP
sell_trend  = sinceNDN < sinceNUP


//////////////////////////
//* Profit Component *//
//////////////////////////

//////////////////////////// MinTick ///////////////////////////
fx_pips_value = syminfo.type == "forex" ? syminfo.mintick*10 : 1

input_tp_pips = input(100, "Backtest Profit Goal (in USD)",minval=0)*fx_pips_value
input_sl_pips = input(20, "Backtest STOP Goal (in USD)",minval=0)*fx_pips_value

tp = buy_trend? long_entry_price + input_tp_pips : short_entry_price - input_tp_pips
sl = buy_trend? long_entry_price - input_sl_pips : short_entry_price + input_sl_pips

plot_tp = buy_trend and high[1] <= tp ? tp : sell_trend and low[1] <= tp ? tp : na
plot_sl = buy_trend and low[1] >= sl ? sl : sell_trend and high[1] >= sl ? sl : na

plot(plot_tp, title="TP", style=plot.style_circles, linewidth=3, color=color.blue)
plot(plot_sl, title="SL", style=plot.style_circles, linewidth=3, color=color.red)

longClose   = isShort
shortClose  = isLong


strategy.entry("Long", 1, when=isLong)
// strategy.close("Long", when=longClose )
strategy.exit("XL","Long", limit=tp,  when=buy_trend, stop=sl)


strategy.entry("Short", 0,  when=isShort)
// strategy.close("Short", when=shortClose )
strategy.exit("XS","Short", when=sell_trend, limit=tp, stop=sl)