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- # coding=utf-8
- from __future__ import print_function, absolute_import, unicode_literals
- import numpy as np
- from gm.api import *
- '''
- 通过计算两个真实价格序列回归残差的0.9个标准差上下轨,并在价差突破上轨的时候做空价差,价差突破下轨的时候做多价差
- 并在回归至标准差水平内的时候平仓
- 回测数据为:DCE.m1801和DCE.m1805的1min数据
- 回测时间为:2017-09-25 08:00:00到2017-10-01 15:00:00
- '''
- def init(context):
- context.goods = ['DCE.m1801', 'DCE.m1805']
- # 订阅品种数据
- subscribe(symbols=context.goods, frequency='1d', count=31, wait_group=True)
- def on_bar(context, bars):
- # 获取历史数据
- close_1801 = context.data(symbol=context.goods[0], frequency='1d', count=31, fields='close')['close'].values
- close_1805 = context.data(symbol=context.goods[1], frequency='1d', count=31, fields='close')['close'].values
- # 计算上下轨
- spread = close_1801[:-2] - close_1805[:-2]
- spread_new = close_1801[-1] - close_1805[-1]
- up = np.mean(spread) + 0.75 * np.std(spread)
- down = np.mean(spread) - 0.75 * np.std(spread)
- up_stop = np.mean(spread) + 2 * np.std(spread)
- down_stop = np.mean(spread) - 2 * np.std(spread)
- # 获取仓位
- position1801_long = context.account().position(symbol = context.goods[0],side =PositionSide_Long)
- position1801_short = context.account().position(symbol = context.goods[0],side =PositionSide_Short)
- # 没有仓位时
- if not position1801_short and not position1801_long:
- # 上穿上轨时,买近卖远
- if spread_new > up:
- order_volume(symbol=context.goods[0], volume=1, order_type=OrderType_Market, side=OrderSide_Buy, position_effect=PositionEffect_Open)
- order_volume(symbol=context.goods[1], volume=1, order_type=OrderType_Market, side=OrderSide_Sell, position_effect=PositionEffect_Open)
- print('上穿上轨,买近卖远')
- # 下穿下轨时,卖近买远
- if spread_new < down:
- order_volume(symbol=context.goods[0], volume=1, order_type=OrderType_Market, side=OrderSide_Sell, position_effect=PositionEffect_Open)
- order_volume(symbol=context.goods[1], volume=1, order_type=OrderType_Market, side=OrderSide_Buy, position_effect=PositionEffect_Open)
- print('下穿下轨,卖近买远')
- # 价差回归到上轨时,平仓
- if position1801_long:
- if spread_new <= np.mean(spread):
- order_close_all()
- print('价差回归,平仓')
- if spread_new > up_stop:
- order_close_all()
- print('达到止损点,全部平仓')
- # 价差回归到下轨时,平仓
- if position1801_short:
- if spread_new >= np.mean(spread):
- order_close_all()
- print('价差回归,平全部仓')
- if spread_new < down_stop:
- order_close_all()
- print('达到止损点,全部平仓')
- if __name__ == '__main__':
- '''
- strategy_id策略ID,由系统生成
- filename文件名,请与本文件名保持一致
- mode实时模式:MODE_LIVE回测模式:MODE_BACKTEST
- token绑定计算机的ID,可在系统设置-密钥管理中生成
- backtest_start_time回测开始时间
- backtest_end_time回测结束时间
- backtest_adjust股票复权方式不复权:ADJUST_NONE前复权:ADJUST_PREV后复权:ADJUST_POST
- backtest_initial_cash回测初始资金
- backtest_commission_ratio回测佣金比例
- backtest_slippage_ratio回测滑点比例
- '''
- run(strategy_id='strategy_id',
- filename='main.py',
- mode=MODE_BACKTEST,
- token='{{token}}',
- backtest_start_time='2017-07-01 08:00:00',
- backtest_end_time='2017-12-31 16:00:00',
- backtest_adjust=ADJUST_PREV,
- backtest_initial_cash=2000000,
- backtest_commission_ratio=0.0001,
- backtest_slippage_ratio=0.0001)
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