Versi baru strategi perdagangan dorongan berganda

Versi baru strategi perdagangan dorongan bergandawww.fmz.comSekali lagi, ahli teknologi kami telah menulis semula strategi DT yang terkenal.

Garis pengekodan yang lebih pendek, prestasi yang lebih baik.

Lebih mudah untuk difahami, lebih mudah untuk mempelajari logik strategi.

Yang asal adalah di:https://fmzquant.quora.com/Dual-Thrust-Trading-strategy

Inilah versi baru:

var STATE_IDLE = 0
var STATE_LONG = 1
var STATE_SHORT = 2
var State = STATE_IDLE
var LastBarTime = 0
var UpTrack = 0
var DownTrack = 0
var InitAccount = null

function GetPosition(posType) {
    var positions = exchange.GetPosition()
    for (var i = 0; i < positions.length; i++) {
        if (positions[i].Type === posType) {
            return [positions[i].Price, positions[i].Amount];
        }
    }
    return [0, 0]
}

function CancelPendingOrders() {
    while (true) {
        var orders = exchange.GetOrders()
        for (var i = 0; i < orders.length; i++) {
            exchange.CancelOrder(orders[i].Id)
            Sleep(500)
        }
        if (orders.length === 0) {
            break
        }
    }
}

function Trade(currentState, nextState) {
    var pfn = nextState === STATE_LONG ? exchange.Buy : exchange.Sell
    if (currentState !== STATE_IDLE) {
        exchange.SetDirection(currentState === STATE_LONG ? "closebuy" : "closesell")
        while (true) {
            var amount = GetPosition(currentState === STATE_LONG ? PD_LONG : PD_SHORT)[1]
            if (amount === 0) {
                break
            }
            pfn(nextState === STATE_LONG ? _C(exchange.GetTicker).Sell * 1.001 : _C(exchange.GetTicker).Buy * 0.999, amount)
            Sleep(500)
            CancelPendingOrders()
        }
        var account = exchange.GetAccount()
        LogProfit(_N(account.Stocks - InitAccount.Stocks, 3), "rate of return:", _N((account.Stocks - InitAccount.Stocks) * 100 / InitAccount.Stocks, 3) + '%')
    }
    exchange.SetDirection(nextState === STATE_LONG ? "buy" : "sell")
    while (true) {
        var pos = GetPosition(nextState === STATE_LONG ? PD_LONG : PD_SHORT)
        if (pos[1] >= AmountOP) {
            Log("Average price of position", pos[0], "Quantity:", pos[1])
            break
        }
        pfn(nextState === STATE_LONG ? _C(exchange.GetTicker).Sell * 1.001 : _C(exchange.GetTicker).Buy * 0.999, AmountOP-pos[1])
        Sleep(500)
        CancelPendingOrders()
    }
}

function onTick() {
    var records = exchange.GetRecords()
    if (!records || records.length <= NPeriod) {
        return
    }
    var Bar = records[records.length - 1]
    $.PlotRecords(records, 'K line')
    if (LastBarTime !== Bar.Time) {
        var HH = TA.Highest(records, NPeriod, 'High')
        var HC = TA.Highest(records, NPeriod, 'Close')
        var LL = TA.Lowest(records, NPeriod, 'Low')
        var LC = TA.Lowest(records, NPeriod, 'Close')
        var Range = Math.max(HH - LC, HC - LL)
        UpTrack = _N(Bar.Open + (Ks * Range), 3)
        DownTrack = _N(Bar.Open - (Kx * Range), 3)
        $.PlotHLine(UpTrack, 'UpTrack')
        $.PlotHLine(DownTrack, 'DownTrack')
        LastBarTime = Bar.Time
    }

    LogStatus("Price:", Bar.Close, "Up:", UpTrack, "Down:", DownTrack, "Date:", new Date())
    var msg
    if (State === STATE_IDLE || State === STATE_SHORT) {
        if (Bar.Close >= UpTrack) {
            msg  = 'Buying long trigger price: ' + Bar.Close + ' Upper rail:' + UpTrack
            Log(msg)
            Trade(State, STATE_LONG)
            State = STATE_LONG
            $.PlotFlag(Bar.Time, msg, 'long', 'flag', 'red') 
        }
    }

    if (State === STATE_IDLE || State === STATE_LONG) {
        if (Bar.Close <= DownTrack) {
            msg = 'Selling short trigger price: ' + Bar.Close + ' lower rail:' + DownTrack
            Log(msg)
            Trade(State, STATE_SHORT)
            $.PlotFlag(Bar.Time, msg, 'short', 'circlepin', 'green')
            State = STATE_SHORT
        }
    }
}

function main() {
    exchange.SetContractType("quarter")
    exchange.SetMarginLevel(10)
    if (exchange.GetPosition().length > 0) {
        throw "There can be no positions before the strategy is started."
    }
    CancelPendingOrders()
    InitAccount = exchange.GetAccount()
    while (true) {
        onTick()
        Sleep(500)
    }
}