Strategi Supertrend dua arah yang boleh dikonfigurasikan

Penulis:ChaoZhang, Tarikh: 2023-09-13 16:54:28
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Strategi ini dinamakan Strategi Supertrend dua arah yang boleh dikonfigurasi. Ia menggunakan mekanisme berhenti menyusul Supertrend untuk mengenal pasti trend harga, dan membolehkan konfigurasi parameter yang berasingan untuk perdagangan panjang dan pendek, yang membolehkan trend yang tepat.

Pengiraan Supertrend adalah: menggunakan ATR dikalikan dengan pekali untuk membina saluran harga. Band atas adalah stop loss panjang dan band bawah adalah stop loss pendek. Harga memecahkan saluran menghasilkan isyarat perdagangan.

Inovasi adalah konfigurasi parameter bebas untuk panjang dan pendek:

  1. Parameter supertrend seperti tempoh ATR dan pekali boleh ditetapkan secara berasingan.

  2. Tempoh pegangan maksimum juga boleh dikonfigurasikan secara bebas untuk menyesuaikan sasaran keuntungan.

  3. Kaedah stop loss (peratusan tetap atau ATR trailing) juga boleh ditetapkan secara berbeza.

Ini membolehkan perdagangan hanya panjang, hanya pendek atau dua arah untuk lebih sesuai dengan keadaan pasaran tertentu.

Kelebihannya adalah mekanisme Supertrend yang intuitif dan banyak kombinasi yang boleh dikonfigurasi. Tetapi Supertrend sahaja terdedah kepada pelanggaran dan memerlukan pengesahan. Pengoptimuman parameter juga penting.

Ringkasnya, strategi Supertrend berganda yang boleh dikonfigurasikan meningkatkan ketepatan perdagangan trend, sambil mengekalkan idea teras yang mudah untuk aplikasi praktikal.


/*backtest
start: 2023-01-01 00:00:00
end: 2023-09-12 00:00:00
period: 3h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
args: [["v_input_8",true],["v_input_11",true]]
*/

//@version=4
strategy("Super Trend Daily 2.0 BF 🚀", overlay=true, precision=2, initial_capital=10000, default_qty_type=strategy.percent_of_equity, default_qty_value=100, commission_type=strategy.commission.percent, commission_value=0.075)

/////////////// Time Frame ///////////////
_0 = input(false,  "════════ Test Period ═══════")
testStartYear = input(2017, "Backtest Start Year") 
testStartMonth = input(1, "Backtest Start Month")
testStartDay = input(1, "Backtest Start Day")
testPeriodStart = timestamp(testStartYear,testStartMonth,testStartDay, 0, 0)

testStopYear = input(2019, "Backtest Stop Year")
testStopMonth = input(12, "Backtest Stop Month")
testStopDay = input(31, "Backtest Stop Day")
testPeriodStop = timestamp(testStopYear,testStopMonth,testStopDay, 0, 0)

testPeriod() => true

///////////// Super Trend Long /////////////
_1 = input(false,  "═════ Super Trend L ═════")
lengthl = input(title="ATR Period", type=input.integer, defval=2)
multl = input(title="ATR Multiplier", type=input.float, step=0.1, defval=1.5)

atrl = multl * atr(lengthl)

longStopl = hl2 - atrl
longStopPrevl = nz(longStopl[1], longStopl)
longStopl :=  close[1] > longStopPrevl ? max(longStopl, longStopPrevl) : longStopl

shortStopl = hl2 + atrl
shortStopPrevl = nz(shortStopl[1], shortStopl)
shortStopl := close[1] < shortStopPrevl ? min(shortStopl, shortStopPrevl) : shortStopl

dirl = 1
dirl := nz(dirl[1], dirl)
dirl := dirl == -1 and close > shortStopPrevl ? 1 : dirl == 1 and close < longStopPrevl ? -1 : dirl

///////////// Super Trend Short /////////////
_2 = input(false,  "═════ Super Trend S ═════")
lengths = input(title="ATR Period", type=input.integer, defval=3)
mults = input(title="ATR Multiplier", type=input.float, step=0.1, defval=1.3)

atrs = mults * atr(lengths)

longStops = hl2 - atrs
longStopPrevs = nz(longStops[1], longStops)
longStops :=  close[1] > longStopPrevs ? max(longStops, longStopPrevs) : longStops

shortStops = hl2 + atrs
shortStopPrevs = nz(shortStops[1], shortStops)
shortStops := close[1] < shortStopPrevs ? min(shortStops, shortStopPrevs) : shortStops

dirs = 1
dirs := nz(dirs[1], dirs)
dirs := dirs == -1 and close > shortStopPrevs ? 1 : dirs == 1 and close < longStopPrevs ? -1 : dirs

///////////// Rate Of Change Long ///////////// 
_3 = input(false,  "═════ Rate of Change L ═════")
sourcel = close
roclengthl = input(30, "ROC Length",  minval=1)
pcntChangel = input(6, "ROC % Change", minval=1)
rocl = 100 * (sourcel - sourcel[roclengthl]) / sourcel[roclengthl]
emarocl = ema(rocl, roclengthl / 2)
isMovingl() => emarocl > (pcntChangel / 2) or emarocl < (0 - (pcntChangel / 2))

///////////// Rate Of Change Short ///////////// 
_4 = input(false,  "═════ Rate of Change S ═════")
sources = close
roclengths = input(76, "ROC Length",  minval=1)
pcntChanges = input(6, "ROC % Change", minval=1)
rocs = 100 * (sources - sources[roclengths]) / sources[roclengths]
emarocs = ema(rocs, roclengths / 2)
isMovings() => emarocs > (pcntChanges / 2) or emarocs < (0 - (pcntChanges / 2))

/////////////// Strategy /////////////// 
long = dirl == 1 and dirl[1] == -1 and isMovingl()
short = dirs == -1 and dirs[1] == 1 and isMovings()

last_long = 0.0
last_short = 0.0
last_long := long ? time : nz(last_long[1])
last_short := short ? time : nz(last_short[1])

long_signal = crossover(last_long, last_short)
short_signal = crossover(last_short, last_long)

last_open_long_signal = 0.0
last_open_short_signal = 0.0
last_open_long_signal := long_signal ? open : nz(last_open_long_signal[1])
last_open_short_signal := short_signal ? open : nz(last_open_short_signal[1])

last_long_signal = 0.0
last_short_signal = 0.0
last_long_signal := long_signal ? time : nz(last_long_signal[1])
last_short_signal := short_signal ? time : nz(last_short_signal[1])

in_long_signal = last_long_signal > last_short_signal
in_short_signal = last_short_signal > last_long_signal

last_high = 0.0
last_low = 0.0
last_high := not in_long_signal ? na : in_long_signal and (na(last_high[1]) or high > nz(last_high[1])) ? high : nz(last_high[1])
last_low := not in_short_signal ? na : in_short_signal and (na(last_low[1]) or low < nz(last_low[1])) ? low : nz(last_low[1])

since_longEntry = barssince(last_open_long_signal != last_open_long_signal[1]) 
since_shortEntry = barssince(last_open_short_signal != last_open_short_signal[1]) 

/////////////// Stop Losses Long ///////////////
_5 = input(false,  "═══════ Stop Loss L ══════")
SL_typel = input("Fixed", options=["Fixed", "ATR Derived"], title="Stop Loss Type")
sl_inpl = input(6.0, title='Fixed Stop Loss %') / 100
atrLkbl = input(20, minval=1, title='ATR Stop Period')
atrMultl = input(1.5, step=0.25, title='ATR Stop Multiplier') 
atr1l = atr(atrLkbl)

longStop1l = 0.0
longStop1l :=  short_signal ? na : long_signal ? close - (atr1l * atrMultl) : longStop1l[1]

slLongl = in_long_signal ? strategy.position_avg_price * (1 - sl_inpl) : na
long_sll = in_long_signal ? slLongl : na

/////////////// Stop Losses Short ///////////////
_6 = input(false,  "═══════ Stop Loss S ══════")
SL_types = input("Fixed", options=["Fixed", "ATR Derived"], title="Stop Loss Type")
sl_inps = input(6.0, title='Fixed Stop Loss %') / 100
atrLkbs = input(20, minval=1, title='ATR Stop Period')
atrMults = input(1.5, step=0.25, title='ATR Stop Multiplier') 
atr1s = atr(atrLkbs)

shortStop1s = 0.0
shortStop1s := long_signal ? na : short_signal ? close + (atr1s * atrMults) : shortStop1s[1]

slShorts = strategy.position_avg_price * (1 + sl_inps)
short_sls = in_short_signal ? slShorts : na

_7 = input(false,  "══════ Longs or Shorts ═════")
useLongs = input(true, title="Use Longs")
useShorts = input(true, title="Use Shorts")

/////////////// Execution ///////////////
if testPeriod()
    if useLongs
        strategy.entry("L", strategy.long, when=long)
        strategy.exit("L SL", "L", stop = SL_typel == "Fixed" ? long_sll : longStop1l, when=since_longEntry > 0)
    if useShorts
        strategy.exit("S SL", "S", stop = SL_types == "Fixed" ? short_sls : shortStop1s, when=since_shortEntry > 0)
        strategy.entry("S", strategy.short, when=short)
    if not useShorts
        strategy.close("L", when=short)
    if not useLongs
        strategy.close("S", when=long)

/////////////// Plotting /////////////// 
bgcolor(long_signal ? color.lime : short_signal ? color.red : na, transp=30)
bgcolor(not isMovings() ? color.white : not isMovingl() ? color.aqua : na)
plot(strategy.position_size <= 0 ? na : SL_typel == "Fixed" ? long_sll : longStop1l, title="Long Stop Loss", color=color.yellow, style=plot.style_circles, linewidth=2)
plot(strategy.position_size >= 0 ? na : SL_types == "Fixed" ? short_sls : shortStop1s, title="Short Stop Loss", color=color.orange, style=plot.style_circles, linewidth=2)

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