商品期货类库实现了$.CTA函数的策略框架,借助该策略框架, 可以短短几十行实现一个并发稳定可实盘的多品种策略
/*backtest start: 2017-06-01 00:00:00 end: 2017-10-01 00:00:00 period: 1d exchanges: [{"eid":"Futures_CTP","currency":"FUTURES"}] */ function main() { // 使用了商品期货类库的CTA策略框架 $.CTA(Symbols, function(st) { var r = st.records var mp = st.position.amount var symbol = st.symbol /* r为K线, mp为当前品种持仓数量, 正数指多仓, 负数指空仓, 0则不持仓, symbol指品种名称 返回值如为n: n = 0 : 指全部平仓(不管当前持多持空) n > 0 : 如果当前持多仓,则加n个多仓, 如果当前为空仓则平n个空仓,如果n大于当前持仓, 则反手开多仓 n < 0 : 如果当前持空仓,则加n个空仓, 如果当前为多仓则平n个多仓,如果-n大于当前持仓, 则反手开空仓 无返回值表示什么也不做 */ if (r.length < SlowPeriod) { return } var cross = _Cross(TA.EMA(r, FastPeriod), TA.EMA(r, SlowPeriod)); if (mp <= 0 && cross > ConfirmPeriod) { Log(symbol, "金叉周期", cross, "当前持仓", mp); return Lots * (mp < 0 ? 2 : 1) } else if (mp >= 0 && cross < -ConfirmPeriod) { Log(symbol, "死叉周期", cross, "当前持仓", mp); return -Lots * (mp > 0 ? 2 : 1) } }); }template: strategy.tpl:40:21: executing "strategy.tpl" at <.api.GetStrategyListByName>: wrong number of args for GetStrategyListByName: want 7 got 6