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Strategi Scalping Buaya Williams

Penulis:ChaoZhang, Tarikh: 2023-09-25 17:42:27
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/*backtest
start: 2022-09-18 00:00:00
end: 2023-09-24 00:00:00
period: 4d
basePeriod: 1d
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/
// © 03.freeman
//Scalping strategy based on Bill Williams Alligator technique but applied to heikin ashi candles
//This strategy has to be applied to standard candles and low time frames (1min to 5min)
//@version=4
strategy("Bill Williams Alligator improved", shorttitle="Scalping alligator",overlay=true)
//source = input(close)
useHA = input (true,"Use heikin ashi candle?")

// ----------MA calculation - ChartArt-------------
smoothinput = input(1, minval=1, maxval=5, title='Moving Average Calculation: (1=SMA), (2=EMA), (3=WMA), (4=Linear), (5=VWMA)')

calc_ma(src,l) => 
    smoothinput == 1 ? sma(src, l):smoothinput == 2 ? ema(src, l):smoothinput == 3 ? wma(src, l):smoothinput == 4 ? linreg(src, l,0):smoothinput == 5 ? vwma(src,l):na
//----------------------------------------------

heikinashi_close = security(heikinashi(syminfo.tickerid), timeframe.period, close)
heikinashi_open = security(heikinashi(syminfo.tickerid), timeframe.period, open)
heikinashi_hl2 = security(heikinashi(syminfo.tickerid), timeframe.period, hl2)

direzione=heikinashi_close>heikinashi_open and heikinashi_close[1]>heikinashi_open[1]? 1 : heikinashi_close<heikinashi_open and heikinashi_close[1]<heikinashi_open[1]? -1 : 0

jawLength = input(13, minval=1, title="Jaw Length")
teethLength = input(8, minval=1, title="Teeth Length")
lipsLength = input(5, minval=1, title="Lips Length")
jawOffset = input(8, title="Jaw Offset")
teethOffset = input(5, title="Teeth Offset")
lipsOffset = input(3, title="Lips Offset")
jaw = calc_ma(heikinashi_hl2, jawLength)
teeth = calc_ma(heikinashi_hl2, teethLength)
lips = calc_ma(heikinashi_hl2, lipsLength)
plot(jaw, title="jaw",offset = jawOffset, color=#3BB3E4)
plot(teeth, title="teeth",offset = teethOffset, color=#FF006E)
plot(lips, title="lips",offset = lipsOffset, color=#36C711)

longCondition = direzione[0]==1 and jaw<teeth and jaw<lips and teeth<lips 
shortCondition = direzione[0]==-1 and jaw>teeth and jaw>lips and teeth>lips


//  Strategy: (Thanks to JayRogers)
// === STRATEGY RELATED INPUTS ===
//tradeInvert     = input(defval = false, title = "Invert Trade Direction?")
// the risk management inputs
inpTakeProfit   = input(defval = 0, title = "Take Profit Points", minval = 0)
inpStopLoss     = input(defval = 0, title = "Stop Loss Points", minval = 0)
inpTrailStop    = input(defval = 0, title = "Trailing Stop Loss Points", minval = 0)
inpTrailOffset  = input(defval = 0, title = "Trailing Stop Loss Offset Points", minval = 0)

// === RISK MANAGEMENT VALUE PREP ===
// if an input is less than 1, assuming not wanted so we assign 'na' value to disable it.
useTakeProfit   = inpTakeProfit  >= 1 ? inpTakeProfit  : na
useStopLoss     = inpStopLoss    >= 1 ? inpStopLoss    : na
useTrailStop    = inpTrailStop   >= 1 ? inpTrailStop   : na
useTrailOffset  = inpTrailOffset >= 1 ? inpTrailOffset : na

// === STRATEGY - LONG POSITION EXECUTION ===
enterLong() => direzione[0]==1 and jaw<teeth and jaw<lips and teeth<lips // functions can be used to wrap up and work out complex conditions
exitLong() => jaw>teeth or jaw>lips or teeth>lips
strategy.entry(id = "Buy", long = true, when = enterLong() )    // use function or simple condition to decide when to get in
strategy.close(id = "Buy", when = exitLong() )                  // ...and when to get out

// === STRATEGY - SHORT POSITION EXECUTION ===
enterShort() => direzione[0]==-1 and jaw>teeth and jaw>lips and teeth>lips
exitShort() => jaw<teeth or jaw<lips or teeth<lips
strategy.entry(id = "Sell", long = false, when = enterShort())
strategy.close(id = "Sell", when = exitShort() )

// === STRATEGY RISK MANAGEMENT EXECUTION ===
// finally, make use of all the earlier values we got prepped
strategy.exit("Exit Buy", from_entry = "Buy", profit = useTakeProfit, loss = useStopLoss, trail_points = useTrailStop, trail_offset = useTrailOffset)
strategy.exit("Exit Sell", from_entry = "Sell", profit = useTakeProfit, loss = useStopLoss, trail_points = useTrailStop, trail_offset = useTrailOffset)

// === Backtesting Dates === thanks to Trost

testPeriodSwitch = input(false, "Custom Backtesting Dates")
testStartYear = input(2020, "Backtest Start Year")
testStartMonth = input(1, "Backtest Start Month")
testStartDay = input(1, "Backtest Start Day")
testStartHour = input(0, "Backtest Start Hour")
testPeriodStart = timestamp(testStartYear,testStartMonth,testStartDay,testStartHour,0)
testStopYear = input(2020, "Backtest Stop Year")
testStopMonth = input(12, "Backtest Stop Month")
testStopDay = input(31, "Backtest Stop Day")
testStopHour = input(23, "Backtest Stop Hour")
testPeriodStop = timestamp(testStopYear,testStopMonth,testStopDay,testStopHour,0)
testPeriod() =>
    time >= testPeriodStart and time <= testPeriodStop ? true : false
isPeriod = true
// === /END

if not isPeriod
    strategy.cancel_all()
    strategy.close_all()

---

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