> 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
nclick="zoom(this, this.src, 0, 0, 0)" class="zoom" width="600" height="240" src="https://dn-filebox.qbox.me/ab06814528c0ae8c54c6bebaea4438325968fbe5.jpg" border="0" alt="" />
`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 > 1; 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);
- }
- }
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