复制链接
克隆策略

大盘风控功能

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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 = 5\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 = T.norm([1 / math.log(i + 2) for i in range(0, stock_count)])\n # 设置每只股票占用的最大资金比例\n context.max_cash_per_instrument = 0.1\n context.options['hold_days'] = 1\n \n from zipline.finance.slippage import SlippageModel\n class FixedPriceSlippage(SlippageModel):\n def process_order(self, data, order, bar_volume=0, trigger_check_price=0):\n if order.limit is None:\n price_field = self._price_field_buy if order.amount > 0 else self._price_field_sell\n price = data.current(order.asset, price_field)\n else:\n price = data.current(order.asset, self._price_field_buy)\n # 返回希望成交的价格和数量\n return (price, order.amount)\n # 设置price_field,默认是开盘买入,收盘卖出\n context.fix_slippage = FixedPriceSlippage(price_field_buy='open', price_field_sell='close')\n context.set_slippage(us_equities=context.fix_slippage)\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 #获取当日日期\n today = data.current_dt.strftime('%Y-%m-%d')\n stock_hold_now = [equity.symbol for equity in context.portfolio.positions ]\n #大盘风控模块,读取风控数据 \n benckmark_risk=context.benckmark_risk[today]\n context.symbol\n #当risk为1时,市场有风险,全部平仓,不再执行其它操作\n if benckmark_risk > 0:\n for instrument in stock_hold_now:\n context.order_target(symbol(instrument), 0)\n print(today,'大盘风控止损触发,全仓卖出')\n return\n\n #------------------------------------------止损模块START--------------------------------------------\n equities = {e.symbol: p for e, p in context.portfolio.positions.items() if p.amount>0}\n \n # 新建当日止损股票列表是为了handle_data 策略逻辑部分不再对该股票进行判断\n stoploss_stock = [] \n if len(equities) > 0:\n for i in equities.keys():\n stock_market_price = data.current(context.symbol(i), 'price') # 最新市场价格\n last_sale_date = equities[i].last_sale_date # 上次交易日期\n delta_days = data.current_dt - last_sale_date \n hold_days = delta_days.days # 持仓天数\n # 建仓以来的最高价\n highest_price_since_buy = data.history(context.symbol(i), 'high', hold_days, '1d').max()\n # 确定止损位置\n stoploss_line = highest_price_since_buy - highest_price_since_buy * 0.025\n #record('止损位置', stoploss_line)\n # 如果价格下穿止损位置\n if stock_market_price < stoploss_line:\n context.order_target_percent(context.symbol(i), 0) \n stoploss_stock.append(i)\n if len(stoploss_stock)>0:\n print('日期:', today, '股票:', stoploss_stock, '出现跟踪止损状况')\n #-------------------------------------------止损模块END--------------------------------------------- \n \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\n # 1. 资金分配\n # 平均持仓时间是hold_days,每日都将买入股票,每日预期使用 1/hold_days 的资金\n # 实际操作中,会存在一定的买入误差,所以在前hold_days天,等量使用资金;之后,尽量使用剩余资金(这里设置最多用等量的1.5倍)\n is_staging = context.trading_day_index < context.options['hold_days'] # 是否在建仓期间(前 hold_days 天)\n cash_avg = context.portfolio.portfolio_value / context.options['hold_days']\n cash_for_buy = min(context.portfolio.cash, (1 if is_staging else 1.5) * cash_avg)\n cash_for_sell = cash_avg - (context.portfolio.cash - cash_for_buy)\n positions = {e.symbol: p.amount * p.last_sale_price\n for e, p in context.perf_tracker.position_tracker.positions.items()}\n\n # 2. 生成卖出订单:hold_days天之后才开始卖出;对持仓的股票,按机器学习算法预测的排序末位淘汰\n if not is_staging and cash_for_sell > 0:\n equities = {e.symbol: e for e, p in context.perf_tracker.position_tracker.positions.items()}\n instruments = list(reversed(list(ranker_prediction.instrument[ranker_prediction.instrument.apply(\n lambda x: x in equities and not context.has_unfinished_sell_order(equities[x]))])))\n # print('rank order for sell %s' % instruments)\n for instrument in instruments:\n context.order_target(context.symbol(instrument), 0)\n cash_for_sell -= positions[instrument]\n if cash_for_sell <= 0:\n break\n\n # 3. 生成买入订单:按机器学习算法预测的排序,买入前面的stock_count只股票\n buy_cash_weights = context.stock_weights\n buy_instruments = list(ranker_prediction.instrument[:len(buy_cash_weights)])\n max_cash_per_instrument = context.portfolio.portfolio_value * context.max_cash_per_instrument\n for i, instrument in enumerate(buy_instruments):\n cash = cash_for_buy * 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 #在数据准备函数中一次性计算每日的大盘风控条件相比于在handle中每日计算风控条件可以提高回测速度\n # 多取50天的数据便于计算均值(保证回测的第一天均值不为Nan值),其中context.start_date和context.end_date是回测指定的起始时间和终止时间\n start_date= (pd.to_datetime(context.start_date) - datetime.timedelta(days=50)).strftime('%Y-%m-%d') \n df=DataSource('bar1d_index_CN_STOCK_A').read(start_date=start_date,end_date=context.end_date,fields=['close'])\n benckmark_data=df[df.instrument=='000001.HIX']\n #计算上证指数5日涨幅\n benckmark_data['ret5']=benckmark_data['close']/benckmark_data['close'].shift(5)-1\n #计算大盘风控条件,如果5日涨幅小于-4%则设置风险状态risk为1,否则为0\n benckmark_data['risk'] = np.where(benckmark_data['ret5']<-0.05,1,0)\n #修改日期格式为字符串(便于在handle中使用字符串日期索引来查看每日的风险状态)\n benckmark_data['date']=benckmark_data['date'].apply(lambda x:x.strftime('%Y-%m-%d'))\n #设置日期为索引\n benckmark_data.set_index('date',inplace=True)\n #把风控序列输出给全局变量context.benckmark_risk\n context.benckmark_risk=benckmark_data['risk']\n \n # 获取股票名称 用于过滤st和退市股\n context.name_df = DataSource('instruments_CN_STOCK_A').read()\n # 获取涨跌停状态\n context.price_limit_status = DataSource('stock_status_CN_STOCK_A').read(fields=['price_limit_status'])\n","type":"Literal","bound_global_parameter":null},{"name":"before_trading_start","value":"def bigquant_run(context, data):\n df_price_limit_status=context.price_limit_status.set_index('date')\n today=data.current_dt.strftime('%Y-%m-%d')\n # 得到当前未完成订单\n for orders in get_open_orders().values():\n # 循环,撤销订单\n for _order in orders:\n ins=str(_order.sid.symbol)\n if data.can_trade(_order.sid):\n #判断一下如果当日涨停,则取消卖单\n if df_price_limit_status[df_price_limit_status.instrument==ins].price_limit_status.loc[today]>2 and _order.amount<0:\n #cancel_order(_order)\n print(today,'尾盘涨停',ins) ","type":"Literal","bound_global_parameter":null},{"name":"volume_limit","value":"1","type":"Literal","bound_global_parameter":null},{"name":"order_price_field_buy","value":"open","type":"Literal","bound_global_parameter":null},{"name":"order_price_field_sell","value":"close","type":"Literal","bound_global_parameter":null},{"name":"capital_base","value":"100000","type":"Literal","bound_global_parameter":null},{"name":"auto_cancel_non_tradable_orders","value":"True","type":"Literal","bound_global_parameter":null},{"name":"data_frequency","value":"daily","type":"Literal","bound_global_parameter":null},{"name":"price_type","value":"真实价格","type":"Literal","bound_global_parameter":null},{"name":"product_type","value":"股票","type":"Literal","bound_global_parameter":null},{"name":"plot_charts","value":"True","type":"Literal","bound_global_parameter":null},{"name":"backtest_only","value":"False","type":"Literal","bound_global_parameter":null},{"name":"benchmark","value":"","type":"Literal","bound_global_parameter":null}],"input_ports":[{"name":"instruments","node_id":"-9403"},{"name":"options_data","node_id":"-9403"},{"name":"history_ds","node_id":"-9403"},{"name":"benchmark_ds","node_id":"-9403"},{"name":"trading_calendar","node_id":"-9403"}],"output_ports":[{"name":"raw_perf","node_id":"-9403"}],"cacheable":false,"seq_num":7,"comment":"","comment_collapsed":true},{"node_id":"-137","module_id":"BigQuantSpace.filter.filter-v3","parameters":[{"name":"expr","value":"cond3&cond2&cond4","type":"Literal","bound_global_parameter":null},{"name":"output_left_data","value":"False","type":"Literal","bound_global_parameter":null}],"input_ports":[{"name":"input_data","node_id":"-137"}],"output_ports":[{"name":"data","node_id":"-137"},{"name":"left_data","node_id":"-137"}],"cacheable":true,"seq_num":14,"comment":"","comment_collapsed":true},{"node_id":"-25736","module_id":"BigQuantSpace.filter.filter-v3","parameters":[{"name":"expr","value":"cond3&cond2&cond4","type":"Literal","bound_global_parameter":null},{"name":"output_left_data","value":"False","type":"Literal","bound_global_parameter":null}],"input_ports":[{"name":"input_data","node_id":"-25736"}],"output_ports":[{"name":"data","node_id":"-25736"},{"name":"left_data","node_id":"-25736"}],"cacheable":true,"seq_num":19,"comment":"","comment_collapsed":true},{"node_id":"-1266","module_id":"BigQuantSpace.hyper_rolling_train.hyper_rolling_train-v1","parameters":[{"name":"run","value":"def bigquant_run(\n bq_graph,\n inputs,\n trading_days_market='CN', # 使用那个市场的交易日历, TODO\n train_instruments_mid='m1', # 训练数据 证券代码列表 模块id\n test_instruments_mid='m9', # 测试数据 证券代码列表 模块id\n predict_mid='m6', # 预测 模块id\n trade_mid='m7', # 回测 模块id\n start_date='2021-01-01', # 数据开始日期\n end_date=T.live_run_param('trading_date', '2021-12-23'), # 数据结束日期\n train_update_days=1, # 更新周期,按交易日计算,每多少天更新一次\n train_update_days_for_live=None, #模拟实盘模式下的更新周期,按交易日计算,每多少天更新一次。如果需要在模拟实盘阶段使用不同的模型更新周期,可以设置这个参数\n train_data_min_days=220, # 最小数据天数,按交易日计算,所以第一个滚动的结束日期是 从开始日期到开始日期+最小数据天数\n train_data_max_days=1000, # 最大数据天数,按交易日计算,0,表示没有限制,否则每一个滚动的开始日期=max(此滚动的结束日期-最大数据天数, 开始日期\n rolling_count_for_live=0, #实盘模式下滚动次数,模拟实盘模式下,取最后多少次滚动。一般在模拟实盘模式下,只用到最后一次滚动训练的模型,这里可以设置为1;如果你的滚动训练数据时间段很短,以至于期间可能没有训练数据,这里可以设置大一点。0表示没有限制\n):\n def merge_datasources(input_1):\n df_list = [ds[0].read_df().set_index('date').loc[ds[1]:].reset_index() for ds in input_1]\n df = pd.concat(df_list)\n instrument_data = {\n 'start_date': df['date'].min().strftime('%Y-%m-%d'),\n 'end_date': df['date'].max().strftime('%Y-%m-%d'),\n 'instruments': list(set(df['instrument'])),\n }\n return Outputs(data=DataSource.write_df(df), instrument_data=DataSource.write_pickle(instrument_data))\n\n def gen_rolling_dates(trading_days_market, start_date, end_date, train_update_days, train_update_days_for_live, train_data_min_days, train_data_max_days, rolling_count_for_live):\n # 是否实盘模式\n tdays = list(D.trading_days(market=trading_days_market, start_date=start_date, end_date=end_date)['date'])\n is_live_run = T.live_run_param('trading_date', None) is not None\n\n if is_live_run and train_update_days_for_live:\n train_update_days = train_update_days_for_live\n\n rollings = []\n train_end_date = train_data_min_days\n while train_end_date < len(tdays):\n if train_data_max_days is not None and train_data_max_days > 0:\n train_start_date = max(train_end_date - train_data_max_days, 0)\n else:\n train_start_date = 0\n rollings.append({\n 'train_start_date': tdays[train_start_date].strftime('%Y-%m-%d'),\n 'train_end_date': tdays[train_end_date - 1].strftime('%Y-%m-%d'),\n 'test_start_date': tdays[train_end_date].strftime('%Y-%m-%d'),\n 'test_end_date': tdays[min(train_end_date + train_update_days, len(tdays)) - 1].strftime('%Y-%m-%d'),\n })\n train_end_date += train_update_days\n\n if not rollings:\n raise Exception('没有滚动需要执行,请检查配置')\n\n if is_live_run and rolling_count_for_live:\n rollings = rollings[-rolling_count_for_live:]\n\n return rollings\n\n g = bq_graph\n\n rolling_dates = gen_rolling_dates(\n trading_days_market, start_date, end_date, train_update_days, train_update_days_for_live, train_data_min_days, train_data_max_days, rolling_count_for_live)\n\n # 训练和预测\n results = []\n for rolling in rolling_dates:\n parameters = {}\n # 先禁用回测\n parameters[trade_mid + '.__enabled__'] = False\n parameters[train_instruments_mid + '.start_date'] = rolling['train_start_date']\n parameters[train_instruments_mid + '.end_date'] = rolling['train_end_date']\n parameters[test_instruments_mid + '.start_date'] = rolling['test_start_date']\n parameters[test_instruments_mid + '.end_date'] = rolling['test_end_date']\n # print('------ rolling_train:', parameters)\n results.append(g.run(parameters))\n\n # 合并预测结果并回测\n mx = M.cached.v3(run=merge_datasources, input_1=[[result[predict_mid].predictions, result[test_instruments_mid].data.read_pickle()['start_date']] for result in results])\n parameters = {}\n parameters['*.__enabled__'] = False\n parameters[trade_mid + '.__enabled__'] = True\n parameters[trade_mid + '.instruments'] = mx.instrument_data\n parameters[trade_mid + '.options_data'] = mx.data\n\n trade = g.run(parameters)\n\n return {'rollings': results, 'trade': trade}\n","type":"Literal","bound_global_parameter":null},{"name":"run_now","value":"True","type":"Literal","bound_global_parameter":null},{"name":"bq_graph","value":"True","type":"Literal","bound_global_parameter":null}],"input_ports":[{"name":"bq_graph_port","node_id":"-1266"},{"name":"input_1","node_id":"-1266"},{"name":"input_2","node_id":"-1266"},{"name":"input_3","node_id":"-1266"}],"output_ports":[{"name":"result","node_id":"-1266"}],"cacheable":false,"seq_num":8,"comment":"","comment_collapsed":true}],"node_layout":"<node_postions><node_position Node='287d2cb0-f53c-4101-bdf8-104b137c8601-8' Position='301,-178,200,200'/><node_position Node='287d2cb0-f53c-4101-bdf8-104b137c8601-15' Position='175,-29,200,200'/><node_position Node='287d2cb0-f53c-4101-bdf8-104b137c8601-24' Position='639,-174,200,200'/><node_position Node='287d2cb0-f53c-4101-bdf8-104b137c8601-62' Position='962,-176,200,200'/><node_position Node='-9372' Position='465,-25,200,200'/><node_position Node='-9379' Position='461,53,200,200'/><node_position Node='-9386' Position='961,-36,200,200'/><node_position Node='-9393' Position='964,38,200,200'/><node_position Node='-3705' Position='331,279,200,200'/><node_position Node='-3709' Position='962,258,200,200'/><node_position Node='-6814' Position='964,118,200,200'/><node_position Node='-1684' Position='325,126,200,200'/><node_position Node='-41707' Position='632,372,200,200'/><node_position Node='-236' Position='636,208,200,200'/><node_position Node='-9403' Position='629,468,200,200'/><node_position Node='-137' Position='329,196,200,200'/><node_position Node='-25736' Position='964,183,200,200'/><node_position Node='-1266' Position='187.31341552734375,455.17730712890625,200,200'/></node_postions>"},"nodes_readonly":false,"studio_version":"v2"}
    In [8]:
    # 本代码由可视化策略环境自动生成 2021年12月24日 18:49
    # 本代码单元只能在可视化模式下编辑。您也可以拷贝代码,粘贴到新建的代码单元或者策略,然后修改。
    
    
    # 回测引擎:初始化函数,只执行一次
    def m7_initialize_bigquant_run(context):
        # 加载预测数据
        context.ranker_prediction = context.options['data'].read_df()
    
        # 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
        context.set_commission(PerOrder(buy_cost=0.0003, sell_cost=0.0013, min_cost=5))
        # 预测数据,通过options传入进来,使用 read_df 函数,加载到内存 (DataFrame)
        # 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
        stock_count = 5
        # 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, ..]
        context.stock_weights = T.norm([1 / math.log(i + 2) for i in range(0, stock_count)])
        # 设置每只股票占用的最大资金比例
        context.max_cash_per_instrument = 0.1
        context.options['hold_days'] = 1
     
        from zipline.finance.slippage import SlippageModel
        class FixedPriceSlippage(SlippageModel):
            def process_order(self, data, order, bar_volume=0, trigger_check_price=0):
                if order.limit is None:
                    price_field = self._price_field_buy if order.amount > 0 else self._price_field_sell
                    price = data.current(order.asset, price_field)
                else:
                    price = data.current(order.asset, self._price_field_buy)
                # 返回希望成交的价格和数量
                return (price, order.amount)
        # 设置price_field,默认是开盘买入,收盘卖出
        context.fix_slippage = FixedPriceSlippage(price_field_buy='open', price_field_sell='close')
        context.set_slippage(us_equities=context.fix_slippage)
    
    # 回测引擎:每日数据处理函数,每天执行一次
    def m7_handle_data_bigquant_run(context, data):
        #获取当日日期
        today = data.current_dt.strftime('%Y-%m-%d')
        stock_hold_now = [equity.symbol for equity in context.portfolio.positions ]
        #大盘风控模块,读取风控数据    
        benckmark_risk=context.benckmark_risk[today]
        context.symbol
        #当risk为1时,市场有风险,全部平仓,不再执行其它操作
        if benckmark_risk > 0:
            for instrument in stock_hold_now:
                context.order_target(symbol(instrument), 0)
            print(today,'大盘风控止损触发,全仓卖出')
            return
    
        #------------------------------------------止损模块START--------------------------------------------
        equities = {e.symbol: p for e, p in context.portfolio.positions.items() if p.amount>0}
        
        # 新建当日止损股票列表是为了handle_data 策略逻辑部分不再对该股票进行判断
        stoploss_stock = [] 
        if len(equities) > 0:
            for i in equities.keys():
                stock_market_price = data.current(context.symbol(i), 'price')  # 最新市场价格
                last_sale_date = equities[i].last_sale_date   # 上次交易日期
                delta_days = data.current_dt - last_sale_date  
                hold_days = delta_days.days # 持仓天数
                # 建仓以来的最高价
                highest_price_since_buy = data.history(context.symbol(i), 'high', hold_days, '1d').max()
                # 确定止损位置
                stoploss_line = highest_price_since_buy - highest_price_since_buy * 0.025
                #record('止损位置', stoploss_line)
                # 如果价格下穿止损位置
                if stock_market_price < stoploss_line:
                    context.order_target_percent(context.symbol(i), 0)     
                    stoploss_stock.append(i)
            if len(stoploss_stock)>0:
                print('日期:', today, '股票:', stoploss_stock, '出现跟踪止损状况')
        #-------------------------------------------止损模块END---------------------------------------------    
       
        # 按日期过滤得到今日的预测数据
        ranker_prediction = context.ranker_prediction[
            context.ranker_prediction.date == data.current_dt.strftime('%Y-%m-%d')]
    
        # 1. 资金分配
        # 平均持仓时间是hold_days,每日都将买入股票,每日预期使用 1/hold_days 的资金
        # 实际操作中,会存在一定的买入误差,所以在前hold_days天,等量使用资金;之后,尽量使用剩余资金(这里设置最多用等量的1.5倍)
        is_staging = context.trading_day_index < context.options['hold_days'] # 是否在建仓期间(前 hold_days 天)
        cash_avg = context.portfolio.portfolio_value / context.options['hold_days']
        cash_for_buy = min(context.portfolio.cash, (1 if is_staging else 1.5) * cash_avg)
        cash_for_sell = cash_avg - (context.portfolio.cash - cash_for_buy)
        positions = {e.symbol: p.amount * p.last_sale_price
                     for e, p in context.perf_tracker.position_tracker.positions.items()}
    
        # 2. 生成卖出订单:hold_days天之后才开始卖出;对持仓的股票,按机器学习算法预测的排序末位淘汰
        if not is_staging and cash_for_sell > 0:
            equities = {e.symbol: e for e, p in context.perf_tracker.position_tracker.positions.items()}
            instruments = list(reversed(list(ranker_prediction.instrument[ranker_prediction.instrument.apply(
                    lambda x: x in equities and not context.has_unfinished_sell_order(equities[x]))])))
            # print('rank order for sell %s' % instruments)
            for instrument in instruments:
                context.order_target(context.symbol(instrument), 0)
                cash_for_sell -= positions[instrument]
                if cash_for_sell <= 0:
                    break
    
        # 3. 生成买入订单:按机器学习算法预测的排序,买入前面的stock_count只股票
        buy_cash_weights = context.stock_weights
        buy_instruments = list(ranker_prediction.instrument[:len(buy_cash_weights)])
        max_cash_per_instrument = context.portfolio.portfolio_value * context.max_cash_per_instrument
        for i, instrument in enumerate(buy_instruments):
            cash = cash_for_buy * buy_cash_weights[i]
            if cash > max_cash_per_instrument - positions.get(instrument, 0):
                # 确保股票持仓量不会超过每次股票最大的占用资金量
                cash = max_cash_per_instrument - positions.get(instrument, 0)
            if cash > 0:
                context.order_value(context.symbol(instrument), cash)
    # 回测引擎:准备数据,只执行一次
    def m7_prepare_bigquant_run(context):
        #在数据准备函数中一次性计算每日的大盘风控条件相比于在handle中每日计算风控条件可以提高回测速度
        # 多取50天的数据便于计算均值(保证回测的第一天均值不为Nan值),其中context.start_date和context.end_date是回测指定的起始时间和终止时间
        start_date= (pd.to_datetime(context.start_date) - datetime.timedelta(days=50)).strftime('%Y-%m-%d') 
        df=DataSource('bar1d_index_CN_STOCK_A').read(start_date=start_date,end_date=context.end_date,fields=['close'])
        benckmark_data=df[df.instrument=='000001.HIX']
        #计算上证指数5日涨幅
        benckmark_data['ret5']=benckmark_data['close']/benckmark_data['close'].shift(5)-1
        #计算大盘风控条件,如果5日涨幅小于-4%则设置风险状态risk为1,否则为0
        benckmark_data['risk'] = np.where(benckmark_data['ret5']<-0.05,1,0)
        #修改日期格式为字符串(便于在handle中使用字符串日期索引来查看每日的风险状态)
        benckmark_data['date']=benckmark_data['date'].apply(lambda x:x.strftime('%Y-%m-%d'))
        #设置日期为索引
        benckmark_data.set_index('date',inplace=True)
        #把风控序列输出给全局变量context.benckmark_risk
        context.benckmark_risk=benckmark_data['risk']
        
        # 获取股票名称 用于过滤st和退市股
        context.name_df = DataSource('instruments_CN_STOCK_A').read()
        # 获取涨跌停状态
        context.price_limit_status = DataSource('stock_status_CN_STOCK_A').read(fields=['price_limit_status'])
    
    def m7_before_trading_start_bigquant_run(context, data):
        df_price_limit_status=context.price_limit_status.set_index('date')
        today=data.current_dt.strftime('%Y-%m-%d')
        # 得到当前未完成订单
        for orders in get_open_orders().values():
            # 循环,撤销订单
            for _order in orders:
                ins=str(_order.sid.symbol)
                if data.can_trade(_order.sid):
                    #判断一下如果当日涨停,则取消卖单
                    if  df_price_limit_status[df_price_limit_status.instrument==ins].price_limit_status.loc[today]>2 and _order.amount<0:
                        #cancel_order(_order)
                        print(today,'尾盘涨停',ins) 
    
    g = T.Graph({
    
        'm1': 'M.instruments.v2',
        'm1.start_date': '2021-01-01',
        'm1.end_date': '2021-12-22',
        'm1.market': 'CN_STOCK_A',
        'm1.instrument_list': '',
        'm1.max_count': 0,
    
        'm2': 'M.advanced_auto_labeler.v2',
        'm2.instruments': T.Graph.OutputPort('m1.data'),
        'm2.label_expr': """# #号开始的表示注释
    # 0. 每行一个,顺序执行,从第二个开始,可以使用label字段
    # 1. 可用数据字段见 https://bigquant.com/docs/data_history_data.html
    #   添加benchmark_前缀,可使用对应的benchmark数据
    # 2. 可用操作符和函数见 `表达式引擎 <https://bigquant.com/docs/big_expr.html>`_
    
    # 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)
    1*((shift(close, -3) / shift(open, -1))-1)
    
    # 极值处理:用1%和99%分位的值做clip
    clip(label, all_quantile(label, 0.01), all_quantile(label, 0.99))
    
    # 将分数映射到分类,这里使用20个分类
    all_wbins(label, 20)
    
    # 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)
    where(shift(high, -1) == shift(low, -1), NaN, label)
    where(shift(high, -1) == shift(open, -1), NaN, label)
    where(shift(low, -1) == shift(close, -1), NaN, label)
    """,
        'm2.start_date': '',
        'm2.end_date': '',
        'm2.benchmark': '000300.SHA',
        'm2.drop_na_label': True,
        'm2.cast_label_int': True,
    
        'm3': 'M.input_features.v1',
        'm3.features': """rank(correlation((high_0+low_0+close_0+open_0)/4,volume_0,4))*rank(correlation(rank(low_0),rank(mean(volume_0,50)),12))
    ta_trix_14_0
    mean(turn_0*(return_0-1),15)
    mean(mf_net_pct_m_0,30)
    (mean(close_0,3)+mean(close_0,6)+mean(close_0,12)+mean(close_0,24))/(4*close_0)
    rank(correlation((high_0+low_0+close_0+open_0)/4,volume_0,4))*rank(correlation(rank(low_0),rank(mean(volume_0,50)),12))
    -1*rank(covariance(rank(close_0),rank(volume_0),5))
    cond3=price_limit_status_0==2
    cond2=shift(ta_macd_dea(close_0),-1)<ta_macd_dea(close_0)
    cond4=ta_macd_dea(close_0)<ta_macd_dif(close_0)
    """,
    
        'm15': 'M.general_feature_extractor.v7',
        'm15.instruments': T.Graph.OutputPort('m1.data'),
        'm15.features': T.Graph.OutputPort('m3.data'),
        'm15.start_date': '',
        'm15.end_date': '',
        'm15.before_start_days': 400,
    
        'm16': 'M.derived_feature_extractor.v3',
        'm16.input_data': T.Graph.OutputPort('m15.data'),
        'm16.features': T.Graph.OutputPort('m3.data'),
        'm16.date_col': 'date',
        'm16.instrument_col': 'instrument',
        'm16.drop_na': False,
        'm16.remove_extra_columns': False,
    
        'm12': 'M.join.v3',
        'm12.data1': T.Graph.OutputPort('m2.data'),
        'm12.data2': T.Graph.OutputPort('m16.data'),
        'm12.on': 'date,instrument',
        'm12.how': 'inner',
        'm12.sort': False,
    
        'm14': 'M.filter.v3',
        'm14.input_data': T.Graph.OutputPort('m12.data'),
        'm14.expr': 'cond3&cond2&cond4',
        'm14.output_left_data': False,
    
        'm5': 'M.dropnan.v2',
        'm5.input_data': T.Graph.OutputPort('m14.data'),
    
        'm4': 'M.features_short.v1',
        'm4.input_1': T.Graph.OutputPort('m3.data'),
    
        'm9': 'M.instruments.v2',
        'm9.start_date': '2021-01-01',
        'm9.end_date': '2021-12-22',
        'm9.market': 'CN_STOCK_A',
        'm9.instrument_list': '',
        'm9.max_count': 0,
    
        'm17': 'M.general_feature_extractor.v7',
        'm17.instruments': T.Graph.OutputPort('m9.data'),
        'm17.features': T.Graph.OutputPort('m3.data'),
        'm17.start_date': '',
        'm17.end_date': '',
        'm17.before_start_days': 400,
    
        'm18': 'M.derived_feature_extractor.v3',
        'm18.input_data': T.Graph.OutputPort('m17.data'),
        'm18.features': T.Graph.OutputPort('m3.data'),
        'm18.date_col': 'date',
        'm18.instrument_col': 'instrument',
        'm18.drop_na': False,
        'm18.remove_extra_columns': False,
    
        'm11': 'M.chinaa_stock_filter.v1',
        'm11.input_data': T.Graph.OutputPort('m18.data'),
        'm11.index_constituent_cond': ['全部'],
        'm11.board_cond': ['上证主板', '深证主板', '创业板'],
        'm11.industry_cond': ['全部'],
        'm11.st_cond': ['正常'],
        'm11.delist_cond': ['非退市'],
        'm11.output_left_data': False,
    
        'm19': 'M.filter.v3',
        'm19.input_data': T.Graph.OutputPort('m11.data'),
        'm19.expr': 'cond3&cond2&cond4',
        'm19.output_left_data': False,
    
        'm10': 'M.dropnan.v2',
        'm10.input_data': T.Graph.OutputPort('m19.data'),
    
        'm6': 'M.xgboost.v1',
        'm6.training_ds': T.Graph.OutputPort('m5.data'),
        'm6.features': T.Graph.OutputPort('m4.data_1'),
        'm6.predict_ds': T.Graph.OutputPort('m10.data'),
        'm6.num_boost_round': 108,
        'm6.objective': '排序(pairwise)',
        'm6.booster': 'gbtree',
        'm6.max_depth': 30,
        'm6.key_cols': 'date,instrument',
        'm6.group_col': 'date',
        'm6.nthread': 3,
        'm6.n_gpus': -1,
        'm6.other_train_parameters': {},
    
        'm7': 'M.trade.v4',
        'm7.instruments': T.Graph.OutputPort('m9.data'),
        'm7.options_data': T.Graph.OutputPort('m6.predictions'),
        'm7.start_date': '',
        'm7.end_date': '',
        'm7.initialize': m7_initialize_bigquant_run,
        'm7.handle_data': m7_handle_data_bigquant_run,
        'm7.prepare': m7_prepare_bigquant_run,
        'm7.before_trading_start': m7_before_trading_start_bigquant_run,
        'm7.volume_limit': 1,
        'm7.order_price_field_buy': 'open',
        'm7.order_price_field_sell': 'close',
        'm7.capital_base': 100000,
        'm7.auto_cancel_non_tradable_orders': True,
        'm7.data_frequency': 'daily',
        'm7.price_type': '真实价格',
        'm7.product_type': '股票',
        'm7.plot_charts': True,
        'm7.backtest_only': False,
        'm7.benchmark': '',
    })
    
    # g.run({})
    
    
    def m8_run_bigquant_run(
        bq_graph,
        inputs,
        trading_days_market='CN', # 使用那个市场的交易日历, TODO
        train_instruments_mid='m1', # 训练数据 证券代码列表 模块id
        test_instruments_mid='m9', # 测试数据 证券代码列表 模块id
        predict_mid='m6', # 预测 模块id
        trade_mid='m7', # 回测 模块id
        start_date='2021-01-01', # 数据开始日期
        end_date=T.live_run_param('trading_date', '2021-12-23'), # 数据结束日期
        train_update_days=1, # 更新周期,按交易日计算,每多少天更新一次
        train_update_days_for_live=None, #模拟实盘模式下的更新周期,按交易日计算,每多少天更新一次。如果需要在模拟实盘阶段使用不同的模型更新周期,可以设置这个参数
        train_data_min_days=220, # 最小数据天数,按交易日计算,所以第一个滚动的结束日期是 从开始日期到开始日期+最小数据天数
        train_data_max_days=1000, # 最大数据天数,按交易日计算,0,表示没有限制,否则每一个滚动的开始日期=max(此滚动的结束日期-最大数据天数, 开始日期
        rolling_count_for_live=0, #实盘模式下滚动次数,模拟实盘模式下,取最后多少次滚动。一般在模拟实盘模式下,只用到最后一次滚动训练的模型,这里可以设置为1;如果你的滚动训练数据时间段很短,以至于期间可能没有训练数据,这里可以设置大一点。0表示没有限制
    ):
        def merge_datasources(input_1):
            df_list = [ds[0].read_df().set_index('date').loc[ds[1]:].reset_index() for ds in input_1]
            df = pd.concat(df_list)
            instrument_data = {
                'start_date': df['date'].min().strftime('%Y-%m-%d'),
                'end_date': df['date'].max().strftime('%Y-%m-%d'),
                'instruments': list(set(df['instrument'])),
            }
            return Outputs(data=DataSource.write_df(df), instrument_data=DataSource.write_pickle(instrument_data))
    
        def gen_rolling_dates(trading_days_market, start_date, end_date, train_update_days, train_update_days_for_live, train_data_min_days, train_data_max_days, rolling_count_for_live):
            # 是否实盘模式
            tdays = list(D.trading_days(market=trading_days_market, start_date=start_date, end_date=end_date)['date'])
            is_live_run = T.live_run_param('trading_date', None) is not None
    
            if is_live_run and train_update_days_for_live:
                train_update_days = train_update_days_for_live
    
            rollings = []
            train_end_date = train_data_min_days
            while train_end_date < len(tdays):
                if train_data_max_days is not None and train_data_max_days > 0:
                    train_start_date = max(train_end_date - train_data_max_days, 0)
                else:
                    train_start_date = 0
                rollings.append({
                    'train_start_date': tdays[train_start_date].strftime('%Y-%m-%d'),
                    'train_end_date': tdays[train_end_date - 1].strftime('%Y-%m-%d'),
                    'test_start_date': tdays[train_end_date].strftime('%Y-%m-%d'),
                    'test_end_date': tdays[min(train_end_date + train_update_days, len(tdays)) - 1].strftime('%Y-%m-%d'),
                })
                train_end_date += train_update_days
    
            if not rollings:
                raise Exception('没有滚动需要执行,请检查配置')
    
            if is_live_run and rolling_count_for_live:
                rollings = rollings[-rolling_count_for_live:]
    
            return rollings
    
        g = bq_graph
    
        rolling_dates = gen_rolling_dates(
            trading_days_market, start_date, end_date, train_update_days, train_update_days_for_live, train_data_min_days, train_data_max_days, rolling_count_for_live)
    
        # 训练和预测
        results = []
        for rolling in rolling_dates:
            parameters = {}
            # 先禁用回测
            parameters[trade_mid + '.__enabled__'] = False
            parameters[train_instruments_mid + '.start_date'] = rolling['train_start_date']
            parameters[train_instruments_mid + '.end_date'] = rolling['train_end_date']
            parameters[test_instruments_mid + '.start_date'] = rolling['test_start_date']
            parameters[test_instruments_mid + '.end_date'] = rolling['test_end_date']
            # print('------ rolling_train:', parameters)
            results.append(g.run(parameters))
    
        # 合并预测结果并回测
        mx = M.cached.v3(run=merge_datasources, input_1=[[result[predict_mid].predictions, result[test_instruments_mid].data.read_pickle()['start_date']] for result in results])
        parameters = {}
        parameters['*.__enabled__'] = False
        parameters[trade_mid + '.__enabled__'] = True
        parameters[trade_mid + '.instruments'] = mx.instrument_data
        parameters[trade_mid + '.options_data'] = mx.data
    
        trade = g.run(parameters)
    
        return {'rollings': results, 'trade': trade}
    
    
    m8 = M.hyper_rolling_train.v1(
        run=m8_run_bigquant_run,
        run_now=True,
        bq_graph=g
    )
    
    ---------------------------------------------------------------------------
    ValueError                                Traceback (most recent call last)
    <ipython-input-8-a6a3ddd00fab> in <module>
        395 
        396 
    --> 397 m8 = M.hyper_rolling_train.v1(
        398     run=m8_run_bigquant_run,
        399     run_now=True,
    
    <ipython-input-8-a6a3ddd00fab> in m8_run_bigquant_run(bq_graph, inputs, trading_days_market, train_instruments_mid, test_instruments_mid, predict_mid, trade_mid, start_date, end_date, train_update_days, train_update_days_for_live, train_data_min_days, train_data_max_days, rolling_count_for_live)
        383 
        384     # 合并预测结果并回测
    --> 385     mx = M.cached.v3(run=merge_datasources, input_1=[[result[predict_mid].predictions, result[test_instruments_mid].data.read_pickle()['start_date']] for result in results])
        386     parameters = {}
        387     parameters['*.__enabled__'] = False
    
    <ipython-input-8-a6a3ddd00fab> in merge_datasources(input_1)
        327         df = pd.concat(df_list)
        328         instrument_data = {
    --> 329             'start_date': df['date'].min().strftime('%Y-%m-%d'),
        330             'end_date': df['date'].max().strftime('%Y-%m-%d'),
        331             'instruments': list(set(df['instrument'])),
    
    ValueError: NaTType does not support strftime