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基本原理
- 在当天收盘,计算两个值: 最高价-收盘价,和收盘价-最低价。然后取这两个值较大的那个,乘以k值,结果称为触发值。
- 在第二天开盘,记录开盘价,然后在价格超过(开盘+触发值)时马上买入,或者价格低于(开盘-触发值)时马上卖空。
- 这个系统是反转系统,没有单独止损。也就是说,反向信号也同时就是平仓信号。
图解
`Dual Thrust 策略包含完整的图表显示, 图表动态更新,模板引用等功能, 可做学习模板使用.`
var ChartCfg = {
__isStock: true,
title: {
text: 'Dual Thrust 上下轨图'
},
yAxis: {
plotLines: [{
value: 0,
color: 'red',
width: 2,
label: {
text: '上轨',
align: 'center'
},
}, {
value: 0,
color: 'green',
width: 2,
label: {
text: '下轨',
align: 'center'
},
}]
},
series: [{
type: 'candlestick',
name: '当前周期',
id: 'primary',
data: []
}, {
type: 'flags',
onSeries: 'primary',
data: [],
}]
};
var STATE_IDLE = 0;
var STATE_LONG = 1;
var STATE_SHORT = 2;
var State = STATE_IDLE;
var LastBarTime = 0;
var UpTrack = 0;
var BottomTrack = 0;
var chart = null;
var Counter = {
w: 0,
l: 0
};
var manager = null;
var logSuffix = NotifyWX ? '@' : '';
function onTick(exchange) {
if (!manager) {
if (_C(exchange.GetPosition).length 0) {
throw 策略启动前不能有持仓.
}
Log('交易平台:', exchange.GetName(), _C(exchange.GetAccount));
var insDetail = _C(exchange.SetContractType, ContractTypeName);
Log( 合约 , insDetail.InstrumentName, 一手 , insDetail.VolumeMultiple, 份, 最大下单量 , insDetail.MaxLimitOrderVolume, 保证金率: , insDetail.LongMarginRatio.toFixed(4), insDetail.ShortMarginRatio.toFixed(4), 交割日期 , insDetail.StartDelivDate);
manager = $.NewPositionManager();
}
var records = _C(exchange.GetRecords);
if (!records || records.length = NPeriod) {
return;
}
var Bar = records[records.length - 1];
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));
DownTrack = _N(Bar.Open - (Kx * Range));
if (LastBarTime 0) {
var PreBar = records[records.length - 2];
chart.add(0, [PreBar.Time, PreBar.Open, PreBar.High, PreBar.Low, PreBar.Close], -1);
} else {
for (var i = Math.min(records.length, NPeriod * 3); i i--) {
var b = records[records.length - i];
chart.add(0, [b.Time, b.Open, b.High, b.Low, b.Close]);
}
}
chart.add(0, [Bar.Time, Bar.Open, Bar.High, Bar.Low, Bar.Close]);
ChartCfg.yAxis.plotLines[0].value = UpTrack;
ChartCfg.yAxis.plotLines[1].value = DownTrack;
ChartCfg.subtitle = {
text: '上轨: ' + UpTrack + ' 下轨: ' + DownTrack
};
chart.update(ChartCfg);
chart.reset(PeriodShow);
LastBarTime = Bar.Time;
} else {
chart.add(0, [Bar.Time, Bar.Open, Bar.High, Bar.Low, Bar.Close], -1);
}
LogStatus( Price: , Bar.Close, Up: , UpTrack, Down: , DownTrack, Wins: , Counter.w, Losses: , Counter.l, Date: , new Date());
var msg;
if (State === STATE_IDLE || State === STATE_SHORT) {
if (Bar.Close = UpTrack) {
msg = '做多 触发价: ' + Bar.Close + ' 上轨:' + UpTrack;
if (State !== STATE_IDLE) {
manager.Cover(ContractTypeName);
var profit = manager.Profit();
LogProfit(profit);
msg += ' 平仓利润: ' + profit;
}
Log(msg + logSuffix);
manager.OpenLong(ContractTypeName, AmountOP);
State = STATE_LONG;
chart.add(1, {x:Bar.Time, color: 'red', shape: 'flag', title: '多', text: msg});
}
}
if (State === STATE_IDLE || State === STATE_LONG) {
if (Bar.Close = DownTrack) {
msg = '做空 触发价: ' + Bar.Close + ' 下轨:' + DownTrack;
if (State !== STATE_IDLE) {
manager.Cover(ContractTypeName);
var profit = manager.Profit();
LogProfit(profit);
msg += ' 平仓利润: ' + profit;
}
Log(msg + logSuffix);
manager.OpenShort(ContractTypeName, AmountOP);
chart.add(1, {x:Bar.Time, color: 'green', shape: 'circlepin', title: '空', text: msg});
State = STATE_SHORT;
}
}
}
function onexit() {
var pos = _C(exchange.GetPosition);
if (pos.length 0) {
Log( 警告, 退出时有持仓 , pos);
}
}
function main() {
if (exchange.GetName() !== 'Futures_CTP') {
throw 只支持传统商品期货(CTP)
}
SetErrorFilter( login|ready
LogStatus( Ready...
LogProfitReset();
chart = Chart(ChartCfg);
chart.reset();
LoopInterval = Math.max(LoopInterval, 1);
while (true) {
if (exchange.IO( status )) {
onTick(exchange);
} else {
LogStatus( 未登录状态
}
Sleep(LoopInterval * 1000);
}
}复制代码
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