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benckmark_risk=ranker_prediction['bm_0'].values[1]\n# if benckmark_risk > 0:\n # for instrument in positions.keys():\n# context.order_target(context.symbol(instrument), 0)\n# print(today,'大盘风控止损触发,全仓卖出')\n# return\n# except:\n# print('哈哈')\n \n #当risk为1时,市场有风险,全部平仓,不再执行其它操作 \n # 按日期过滤得到今日的预测数据\n ranker_prediction = context.ranker_prediction[\n context.ranker_prediction.date == data.current_dt.strftime('%Y-%m-%d')]\n #cash_for_buy = min(context.portfolio.portfolio_value/2,context.portfolio.cash)\n #cash_for_buy = context.portfolio.portfolio_value\n #print(ranker_prediction)\n #cash_for_buy = context.portfolio.portfolio_value\n cash_for_buy = context.portfolio.cash\n buy_instruments = list(ranker_prediction.instrument)\n sell_instruments = [instrument.symbol for instrument in context.portfolio.positions.keys()]\n to_buy = set(buy_instruments[:1]) - set(sell_instruments) \n to_sell = set(sell_instruments) - set(buy_instruments[:1])\n \n \n for instrument in to_sell:\n context.order_target(context.symbol(instrument), 0)\n for instrument in to_buy:\n context.order_value(context.symbol(instrument), cash_for_buy)\n","type":"Literal","bound_global_parameter":null},{"name":"prepare","value":"# 回测引擎:准备数据,只执行一次\ndef bigquant_run(context):\n 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#号开始的表示注释\n# 0. 每行一个,顺序执行,从第二个开始,可以使用label字段\n# 1. 可用数据字段见 {{web_host_url}}docs/data_history_data.html\n# 添加benchmark_前缀,可使用对应的benchmark数据\n# 2. 可用操作符和函数见 `表达式引擎 <{{web_host_url}}docs/big_expr.html>`_\n\n# 计算收益:5日收盘价(作为卖出价格)除以明日开盘价(作为买入价格)\nshift(close, -2) / shift(open, -1)\n1000*label\n# 极值处理:用1%和99%分位的值做clip\n#clip(label, all_quantile(label, 0.01), all_quantile(label, 0.99))\n\n# 将分数映射到分类,这里使用20个分类\n#all_wbins(label, 20)\n\n# 过滤掉一字涨停的情况 (设置label为NaN,在后续处理和训练中会忽略NaN的label)\nwhere(shift(high, -1) == shift(low, -1), NaN, 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5天的收益率/20天的收益率\nrank_amount_5#45:最近5日的成交额排名\navg_turn_10#46:平均10天的换手率\nreturn_20\nvolume_1\nclose_0>ts_max(close_0,42)#53:当日收盘价破 56天最高价(创新高)\nta_sma_10_0/ta_sma_30_0#56: 10天的sma线/30天的sma线\nswing_volatility_10_0/swing_volatility_60_0 #59: 10天的波动率/60天的波动率\nrank_return_3 #61: 3天收益率的 排名\nmf_net_amount_0>mf_net_amount_1 #62: 判断 当日的资金流入净额>昨日资金流入净额\nmf_net_amount_xl_0>mean(mf_net_amount_xl_0, 30)# 64:当天的超大单流入净量>平均30天内的超大单流入净量(30天超大单MA线)\ncond4= (close_0-close_1)/close_1 >0.03# 65:当天涨幅>5%\n#(close_0-close_30)/close_30>1.25# 66:30天内的涨幅大于125%\n#(close_0-close_5)/close_5>1.16# 67:5天内的涨幅>116%\nlist_days_0>200# 68:上市天数>365天\nta_bbands_middleband_28_0 #69:布林带28天均线\ncond28=sum(price_limit_status_0==3,36)>2 #70:统计80天内 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回测引擎:初始化函数,只执行一次\ndef bigquant_run(context):\n # 加载预测数据\n context.ranker_prediction = context.options['data'].read_df()\n\n # 系统已经设置了默认的交易手续费和滑点,要修改手续费可使用如下函数\n context.set_commission(PerOrder(buy_cost=0.0003, sell_cost=0.0013, min_cost=5))\n # 预测数据,通过options传入进来,使用 read_df 函数,加载到内存 (DataFrame)\n # 设置买入的股票数量,这里买入预测股票列表排名靠前的5只\n stock_count = 1\n # 每只的股票的权重,如下的权重分配会使得靠前的股票分配多一点的资金,[0.339160, 0.213986, 0.169580, ..]\n context.stock_weights = [ 1 ]\n # 设置每只股票占用的最大资金比例\n context.max_cash_per_instrument = 1\n context.options['hold_days'] = 1\n","type":"Literal","bound_global_parameter":null},{"name":"handle_data","value":"# 回测引擎:每日数据处理函数,每天执行一次\ndef bigquant_run(context, data):\n \n\n #-------------大盘风控模块\n # 获取当前持仓\n positions = {e.symbol: p.amount * p.last_sale_price\n for e, p in context.portfolio.positions.items()}\n \n today = data.current_dt.strftime('%Y-%m-%d')\n # 按日期过滤得到今日的预测数据\n ranker_prediction = context.ranker_prediction[\n context.ranker_prediction.date == today]\n try:\n #大盘风控模块,读取风控数据 \n benckmark_risk=ranker_prediction['bm_0'].values[0]\n if benckmark_risk > 0:\n for instrument in positions.keys():\n context.order_target(context.symbol(instrument), 0)\n print(today,'大盘风控止损触发,全仓卖出')\n #如果return 在这里 只会卖出第一支持仓的股票,执行一次后返回,有可能起不到全仓风控的作用\n return\n except:\n print('开仓!') \n \n #-------------大盘风控模块\n \n \n \n\n \n # 相隔几天(hold_days)进行一下换仓\n if context.trading_day_index % context.options['hold_days'] != 0:\n return \n \n \n # 目前持仓\n positions = {e.symbol: p.amount * p.last_sale_price\n for e, p in context.portfolio.positions.items()}\n # 权重\n buy_cash_weights = context.stock_weights\n # 今日买入股票列表\n stock_to_buy = list(ranker_prediction.instrument[:len(buy_cash_weights)])\n # 持仓上限\n max_cash_per_instrument = context.portfolio.portfolio_value * context.max_cash_per_instrument\n\n # 通过positions对象,使用列表生成式的方法获取目前持仓的股票列表\n stock_hold_now = [equity.symbol for equity in context.portfolio.positions ]\n # 继续持有的股票:调仓时,如果买入的股票已经存在于目前的持仓里,那么应继续持有\n no_need_to_sell = [i for i in stock_hold_now if i in stock_to_buy]\n # 需要卖出的股票\n stock_to_sell = [i for i in stock_hold_now if i not in no_need_to_sell]\n \n # 卖出\n for stock in stock_to_sell:\n # 如果该股票停牌,则没法成交。因此需要用can_trade方法检查下该股票的状态\n # 如果返回真值,则可以正常下单,否则会出错\n # 因为stock是字符串格式,我们用symbol方法将其转化成平台可以接受的形式:Equity格式\n if data.can_trade(context.symbol(stock)):\n # order_target_percent是平台的一个下单接口,表明下单使得该股票的权重为0,\n # 即卖出全部股票,可参考回测文档\n context.order_target_percent(context.symbol(stock), 0)\n \n # 如果当天没有买入的股票,就返回\n if len(stock_to_buy) == 0:\n return\n \n # 买入\n for i, instrument in enumerate(stock_to_buy):\n cash = context.portfolio.portfolio_value * buy_cash_weights[i]\n if cash > max_cash_per_instrument - positions.get(instrument, 0):\n # 确保股票持仓量不会超过每次股票最大的占用资金量\n cash = max_cash_per_instrument - positions.get(instrument, 0)\n if cash > 0:\n context.order_value(context.symbol(instrument), cash)","type":"Literal","bound_global_parameter":null},{"name":"prepare","value":"# 回测引擎:准备数据,只执行一次\ndef bigquant_run(context):\n 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#大盘风控模块,读取风控数据 \n benckmark_risk=ranker_prediction['bm_1'].values[0]\n if benckmark_risk > 0:\n for instrument in positions.keys():\n context.order_target(context.symbol(instrument), 0)\n print(today,'大盘风控止损触发,全仓卖出')\n #如果return 在这里 只会卖出第一支持仓的股票,执行一次后返回,有可能起不到全仓风控的作用\n return\n except:\n print('开仓!') \n \n #-------------大盘风控模块\n \n \n \n \n \n # 相隔几天(hold_days)进行一下换仓\n if context.trading_day_index % context.options['hold_days'] != 0:\n return \n \n # 目前持仓\n positions = {e.symbol: p.amount * p.last_sale_price\n for e, p in context.portfolio.positions.items()}\n # 权重\n buy_cash_weights = context.stock_weights\n # 今日买入股票列表\n stock_to_buy = list(ranker_prediction.instrument[:len(buy_cash_weights)])\n # 持仓上限\n max_cash_per_instrument = context.portfolio.portfolio_value * context.max_cash_per_instrument\n\n # 通过positions对象,使用列表生成式的方法获取目前持仓的股票列表\n stock_hold_now = [equity.symbol for equity in context.portfolio.positions ]\n # 继续持有的股票:调仓时,如果买入的股票已经存在于目前的持仓里,那么应继续持有\n no_need_to_sell = [i for i in stock_hold_now if i in stock_to_buy]\n # 需要卖出的股票\n stock_to_sell = [i for i in stock_hold_now if i not in no_need_to_sell]\n \n # 卖出\n for stock in stock_to_sell:\n # 如果该股票停牌,则没法成交。因此需要用can_trade方法检查下该股票的状态\n # 如果返回真值,则可以正常下单,否则会出错\n # 因为stock是字符串格式,我们用symbol方法将其转化成平台可以接受的形式:Equity格式\n if data.can_trade(context.symbol(stock)):\n # order_target_percent是平台的一个下单接口,表明下单使得该股票的权重为0,\n # 即卖出全部股票,可参考回测文档\n context.order_target_percent(context.symbol(stock), 0)\n \n # 如果当天没有买入的股票,就返回\n if len(stock_to_buy) == 0:\n return\n \n # 买入\n for i, instrument in enumerate(stock_to_buy):\n cash = context.portfolio.portfolio_value * buy_cash_weights[i]\n if cash > max_cash_per_instrument - positions.get(instrument, 0):\n # 确保股票持仓量不会超过每次股票最大的占用资金量\n cash = max_cash_per_instrument - positions.get(instrument, 0)\n if cash > 0:\n context.order_value(context.symbol(instrument), cash)\n \n","type":"Literal","bound_global_parameter":null},{"name":"prepare","value":"# 回测引擎:准备数据,只执行一次\ndef 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[2022-09-16 08:50:26.899482] INFO: moduleinvoker: instruments.v2 开始运行..
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