复制链接
克隆策略

本策略选股思路来源于:https://bigquant.com/wiki/doc/hangqing-celve-6sw8FeSPsR 并修改了持仓算法为固定1天持仓

In [1]:
import tensorflow as tf
#gpus = tf.config.list_physical_devices("GPU")
#tf.config.experimental.set_memory_growth(gpus[0], True)
In [2]:
from tensorflow.keras import optimizers

    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    In [3]:
    # 本代码由可视化策略环境自动生成 2022年3月15日 20:52
    # 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。
    
    
    # Python 代码入口函数,input_1/2/3 对应三个输入端,data_1/2/3 对应三个输出端
    def m4_run_bigquant_run(input_1, input_2, input_3):
        # 示例代码如下。在这里编写您的代码
        from sklearn.model_selection import train_test_split
        data = input_1.read()
        x_train, x_val, y_train, y_val = train_test_split(data["x"], data['y'], shuffle=False, test_size=0.2)
        data_1 = DataSource.write_pickle({'x': x_train, 'y': y_train})
        data_2 = DataSource.write_pickle({'x': x_val, 'y': y_val})
        return Outputs(data_1=data_1, data_2=data_2, data_3=None)
    # 后处理函数,可选。输入是主函数的输出,可以在这里对数据做处理,或者返回更友好的outputs数据格式。此函数输出不会被缓存。
    def m4_post_run_bigquant_run(outputs):
        return outputs
    
    from tensorflow.keras.callbacks import EarlyStopping
    
    m35_earlystop_bigquant_run=EarlyStopping(monitor='val_mse', min_delta=0.0001, patience=10)
    # 用户的自定义层需要写到字典中,比如
    # {
    #   "MyLayer": MyLayer
    # }
    m35_custom_objects_bigquant_run = {    
        
    }
    
    # Python 代码入口函数,input_1/2/3 对应三个输入端,data_1/2/3 对应三个输出端
    def m24_run_bigquant_run(input_1, input_2, input_3):
        # 示例代码如下。在这里编写您的代码
        pred_label = input_1.read_pickle()
        df = input_2.read_df()
        df = pd.DataFrame({'pred_label':pred_label[:,0], 'instrument':df.instrument, 'date':df.date})
        df.sort_values(['date','pred_label'],inplace=True, ascending=[True,False])
        return Outputs(data_1=DataSource.write_df(df), data_2=None, data_3=None)
    
    # 后处理函数,可选。输入是主函数的输出,可以在这里对数据做处理,或者返回更友好的outputs数据格式。此函数输出不会被缓存。
    def m24_post_run_bigquant_run(outputs):
        return outputs
    
    # 回测引擎:初始化函数,只执行一次
    def m19_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=0.0003, 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 = 1
        # 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 = [1]
        # 设置每只股票占用的最大资金比例
        context.max_cash_per_instrument = 1/stock_count
        context.hold_days = 1
    
    # 回测引擎:每日数据处理函数,每天执行一次
    def m19_handle_data_bigquant_run(context, data):
        # 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.hold_days # 是否在建仓期间(前 hold_days 天)
        cash_avg = context.portfolio.portfolio_value / context.hold_days
        cash_for_buy = min(context.portfolio.cash, (1 if is_staging else 1.5) * cash_avg)
        positions = {e.symbol: p.amount * p.last_sale_price
                     for e, p in context.portfolio.positions.items()}
       
        #----------------------------START:持有固定自然日天数卖出---------------------------
        today = data.current_dt
        # 不是建仓期(在前hold_days属于建仓期)
        if not is_staging:
            equities = {e.symbol: p for e, p in context.portfolio.positions.items() if p.amount>0}
            for instrument in equities:
    #          print('last_sale_date: ', equities[instrument].last_sale_date)
                sid = equities[instrument].sid  # 交易标的
                # 今天和上次交易的时间相隔hold_days就全部卖出
                if today-equities[instrument].last_sale_date>=datetime.timedelta(context.hold_days) and data.can_trade(context.symbol(instrument)):
                    context.order_target_percent(sid, 0)
        #--------------------------------END:持有固定天数卖出---------------------------    
              
    
        # 3. 生成买入订单:按StockRanker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 m19_prepare_bigquant_run(context):
        pass
    
    
    m1 = M.instruments.v2(
        start_date='2013-02-01',
        end_date='2019-10-30',
        market='CN_STOCK_A',
        instrument_list='',
        max_count=0
    )
    
    m20 = M.use_datasource.v1(
        instruments=m1.data,
        datasource_id='net_amount_CN_STOCK_A',
        start_date='',
        end_date=''
    )
    
    m21 = M.filter.v3(
        input_data=m20.data,
        expr='mf_net_amount_l>8000000',
        output_left_data=False
    )
    
    m23 = M.select_columns.v3(
        input_ds=m21.data,
        columns='date,instrument',
        reverse_select=False
    )
    
    m30 = M.use_datasource.v1(
        instruments=m1.data,
        datasource_id='bar1d_CN_STOCK_A',
        start_date='',
        end_date=''
    )
    
    m31 = M.join.v3(
        data1=m30.data,
        data2=m23.data,
        on='date,instrument',
        how='inner',
        sort=False
    )
    
    m2 = M.auto_labeler_on_datasource.v1(
        input_data=m31.data,
        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/develop/datasource/deprecated/history_data.html
    # 2. 可用操作符和函数见 `表达式引擎 <https://bigquant.com/docs/develop/bigexpr/usage.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)
    shift(close, -5) / shift(open, -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)
    """,
        drop_na_label=True,
        cast_label_int=True,
        date_col='date',
        instrument_col='instrument',
        user_functions={}
    )
    
    m13 = M.standardlize.v8(
        input_1=m2.data,
        columns_input='label'
    )
    
    m3 = M.input_features.v1(
        features="""isXiaDie0=where((return_0<1),1,0)
    xd_num=group_sum(date, isXiaDie0)#当天A股下跌数
    isZhangtToday=price_limit_status_0==3
    isDietToday=price_limit_status_0==1
    return0=return_0
    priceLowBl10=close_0/ts_min(close_0,10)
    close_0
    open_0
    high_0
    low_0
    # amount_0
    """
    )
    
    m5 = M.features_short.v1(
        input_1=m3.data
    )
    
    m15 = M.general_feature_extractor.v7(
        instruments=m1.data,
        features=m3.data,
        start_date='',
        end_date='',
        before_start_days=90
    )
    
    m28 = M.join.v3(
        data1=m23.data,
        data2=m15.data,
        on='date,instrument',
        how='inner',
        sort=False
    )
    
    m16 = M.derived_feature_extractor.v3(
        input_data=m28.data,
        features=m3.data,
        date_col='date',
        instrument_col='instrument',
        drop_na=True,
        remove_extra_columns=False
    )
    
    m14 = M.standardlize.v8(
        input_1=m16.data,
        input_2=m5.data_1,
        columns_input=''
    )
    
    m10 = M.fillnan.v1(
        input_data=m14.data,
        features=m5.data_1,
        fill_value='0.0'
    )
    
    m7 = M.join.v3(
        data1=m13.data,
        data2=m10.data,
        on='date,instrument',
        how='inner',
        sort=False
    )
    
    m26 = M.dl_convert_to_bin.v2(
        input_data=m7.data,
        features=m5.data_1,
        window_size=5,
        feature_clip=5,
        flatten=False,
        window_along_col='instrument'
    )
    
    m4 = M.cached.v3(
        input_1=m26.data,
        input_2=m3.data,
        run=m4_run_bigquant_run,
        post_run=m4_post_run_bigquant_run,
        input_ports='',
        params='{}',
        output_ports=''
    )
    
    m9 = M.instruments.v2(
        start_date=T.live_run_param('trading_date', '2022-01-01'),
        end_date=T.live_run_param('trading_date', '2022-03-14'),
        market='CN_STOCK_A',
        instrument_list='',
        max_count=0
    )
    
    m8 = M.use_datasource.v1(
        instruments=m9.data,
        datasource_id='net_amount_CN_STOCK_A',
        start_date='',
        end_date=''
    )
    
    m22 = M.filter.v3(
        input_data=m8.data,
        expr='mf_net_amount_l>8000000',
        output_left_data=False
    )
    
    m17 = M.general_feature_extractor.v7(
        instruments=m9.data,
        features=m3.data,
        start_date='',
        end_date='',
        before_start_days=90
    )
    
    m29 = M.join.v3(
        data1=m17.data,
        data2=m22.data,
        on='date,instrument',
        how='inner',
        sort=False
    )
    
    m18 = M.derived_feature_extractor.v3(
        input_data=m29.data,
        features=m3.data,
        date_col='date',
        instrument_col='instrument',
        drop_na=True,
        remove_extra_columns=False
    )
    
    m25 = M.standardlize.v8(
        input_1=m18.data,
        input_2=m5.data_1,
        columns_input=''
    )
    
    m12 = M.fillnan.v1(
        input_data=m25.data,
        features=m5.data_1,
        fill_value='0.0'
    )
    
    m27 = M.dl_convert_to_bin.v2(
        input_data=m12.data,
        features=m5.data_1,
        window_size=5,
        feature_clip=5,
        flatten=False,
        window_along_col='instrument'
    )
    
    m6 = M.dl_layer_input.v1(
        shape='5,10',
        batch_shape='',
        dtype='float32',
        sparse=False,
        name=''
    )
    
    m37 = M.dl_layer_batchnormalization.v1(
        inputs=m6.data,
        axis=-1,
        momentum=0.99,
        epsilon=0.001,
        center=True,
        scale=True,
        beta_initializer='Zeros',
        gamma_initializer='Ones',
        moving_mean_initializer='Zeros',
        moving_variance_initializer='Ones',
        beta_regularizer='None',
        beta_regularizer_l1=0,
        beta_regularizer_l2=0,
        gamma_regularizer='None',
        gamma_regularizer_l1=0,
        gamma_regularizer_l2=0,
        beta_constraint='None',
        gamma_constraint='None',
        name=''
    )
    
    m43 = M.dl_layer_conv1d.v1(
        inputs=m37.data,
        filters=64,
        kernel_size='3',
        strides='1',
        padding='same',
        dilation_rate=1,
        activation='relu',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m44 = M.dl_layer_conv1d.v1(
        inputs=m43.data,
        filters=64,
        kernel_size='3',
        strides='1',
        padding='same',
        dilation_rate=1,
        activation='relu',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m41 = M.dl_layer_maxpooling1d.v1(
        inputs=m44.data,
        pool_size=2,
        padding='valid',
        name=''
    )
    
    m45 = M.dl_layer_conv1d.v1(
        inputs=m41.data,
        filters=128,
        kernel_size='5',
        strides='1',
        padding='same',
        dilation_rate=1,
        activation='relu',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m47 = M.dl_layer_conv1d.v1(
        inputs=m45.data,
        filters=128,
        kernel_size='5',
        strides='1',
        padding='same',
        dilation_rate=1,
        activation='relu',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m48 = M.dl_layer_batchnormalization.v1(
        inputs=m47.data,
        axis=-1,
        momentum=0.99,
        epsilon=0.001,
        center=True,
        scale=True,
        beta_initializer='Zeros',
        gamma_initializer='Ones',
        moving_mean_initializer='Zeros',
        moving_variance_initializer='Ones',
        beta_regularizer='None',
        beta_regularizer_l1=0,
        beta_regularizer_l2=0,
        gamma_regularizer='None',
        gamma_regularizer_l1=0,
        gamma_regularizer_l2=0,
        beta_constraint='None',
        gamma_constraint='None',
        name=''
    )
    
    m50 = M.dl_layer_conv1d.v1(
        inputs=m48.data,
        filters=128,
        kernel_size='3',
        strides='1',
        padding='same',
        dilation_rate=1,
        activation='relu',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m51 = M.dl_layer_batchnormalization.v1(
        inputs=m50.data,
        axis=-1,
        momentum=0.99,
        epsilon=0.001,
        center=True,
        scale=True,
        beta_initializer='Zeros',
        gamma_initializer='Ones',
        moving_mean_initializer='Zeros',
        moving_variance_initializer='Ones',
        beta_regularizer='None',
        beta_regularizer_l1=0,
        beta_regularizer_l2=0,
        gamma_regularizer='None',
        gamma_regularizer_l1=0,
        gamma_regularizer_l2=0,
        beta_constraint='None',
        gamma_constraint='None',
        name=''
    )
    
    m53 = M.dl_layer_conv1d.v1(
        inputs=m51.data,
        filters=128,
        kernel_size='5',
        strides='1',
        padding='same',
        dilation_rate=1,
        activation='relu',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m46 = M.dl_layer_batchnormalization.v1(
        inputs=m53.data,
        axis=-1,
        momentum=0.99,
        epsilon=0.001,
        center=True,
        scale=True,
        beta_initializer='Zeros',
        gamma_initializer='Ones',
        moving_mean_initializer='Zeros',
        moving_variance_initializer='Ones',
        beta_regularizer='None',
        beta_regularizer_l1=0,
        beta_regularizer_l2=0,
        gamma_regularizer='None',
        gamma_regularizer_l1=0,
        gamma_regularizer_l2=0,
        beta_constraint='None',
        gamma_constraint='None',
        name=''
    )
    
    m49 = M.dl_layer_conv1d.v1(
        inputs=m46.data,
        filters=128,
        kernel_size='5',
        strides='1',
        padding='same',
        dilation_rate=1,
        activation='relu',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m62 = M.dl_layer_add.v1(
        input1=m49.data,
        input2=m47.data,
        name=''
    )
    
    m38 = M.dl_layer_globalmaxpooling1d.v1(
        inputs=m62.data,
        name=''
    )
    
    m61 = M.dl_layer_dropout.v1(
        inputs=m38.data,
        rate=0.1,
        noise_shape='',
        name=''
    )
    
    m57 = M.dl_layer_dense.v1(
        inputs=m61.data,
        units=1,
        activation='linear',
        use_bias=True,
        kernel_initializer='glorot_uniform',
        bias_initializer='Zeros',
        kernel_regularizer='None',
        kernel_regularizer_l1=0,
        kernel_regularizer_l2=0,
        bias_regularizer='None',
        bias_regularizer_l1=0,
        bias_regularizer_l2=0,
        activity_regularizer='None',
        activity_regularizer_l1=0,
        activity_regularizer_l2=0,
        kernel_constraint='None',
        bias_constraint='None',
        name=''
    )
    
    m34 = M.dl_model_init.v1(
        inputs=m6.data,
        outputs=m57.data
    )
    
    m35 = M.dl_model_train.v1(
        input_model=m34.data,
        training_data=m4.data_1,
        validation_data=m4.data_2,
        optimizer='Adam',
        user_optimizer=optimizers.Adam(lr=0.01),
        loss='mean_squared_error',
        metrics='mse',
        batch_size=1024,
        epochs=2,
        earlystop=m35_earlystop_bigquant_run,
        custom_objects=m35_custom_objects_bigquant_run,
        n_gpus=1,
        verbose='2:每个epoch输出一行记录',
        m_cached=False
    )
    
    m11 = M.dl_model_predict.v1(
        trained_model=m35.data,
        input_data=m27.data,
        batch_size=1024,
        n_gpus=1,
        verbose='2:每个epoch输出一行记录'
    )
    
    m24 = M.cached.v3(
        input_1=m11.data,
        input_2=m18.data,
        run=m24_run_bigquant_run,
        post_run=m24_post_run_bigquant_run,
        input_ports='',
        params='{}',
        output_ports=''
    )
    
    m19 = M.trade.v4(
        instruments=m9.data,
        options_data=m24.data_1,
        start_date='',
        end_date='',
        initialize=m19_initialize_bigquant_run,
        handle_data=m19_handle_data_bigquant_run,
        prepare=m19_prepare_bigquant_run,
        order_price_field_buy='open',
        order_price_field_sell='close',
        capital_base=100000,
        auto_cancel_non_tradable_orders=True,
        data_frequency='daily',
        price_type='后复权',
        product_type='股票',
        plot_charts=True,
        backtest_only=False,
        benchmark='000300.SHA'
    )
    
    Epoch 1/2
    203/203 - 234s - loss: 0.9456 - mse: 0.9456 - val_loss: 0.9754 - val_mse: 0.9754
    Epoch 2/2
    203/203 - 224s - loss: 0.8871 - mse: 0.8871 - val_loss: 0.9722 - val_mse: 0.9722
    
    3/3 - 1s
    DataSource(b38c29adce04439a993233a2fe98bd05T)
    
    • 收益率-13.23%
    • 年化收益率-54.83%
    • 基准收益率-15.5%
    • 阿尔法-0.1
    • 贝塔0.66
    • 夏普比率-1.76
    • 胜率0.42
    • 盈亏比1.01
    • 收益波动率41.89%
    • 信息比率0.03
    • 最大回撤19.33%
    bigcharts-data-start/{"__type":"tabs","__id":"bigchart-ab6a2a57bc7344b796614c90e481d71f"}/bigcharts-data-end