Backtrader 文档学习-Order OCO orders

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Backtrader 文档学习-Order OCO orders

主要是可以使用订单组的管理策略，使用订单组策略，则一组订单中，有一个符合条件的订单成交，订单组中其他的订单就自动被取消。

1.概述

V1.9.36.116 版本交互式代理支持StopTrail、StopTrailLimit和OCO。

OCO始终将组中的第一个order指定为参数OCO
代理模拟和IB代理具有相同的行为。指定：price作为初始停止触发价格（也指定trailamount），然后plimit作为初始限制价格。两者之间的差异将决定极限偏移量（极限价格与停止触发价格之间的距离）。

IB代理（Introducing Broker）是外汇行业中一个特殊的群体，主要充当销售角色，负责拓展外汇交易商市场并获取更多客户。
IB代理的职责是为外汇交易商拓展市场，并从交易商那里获得一定的返佣作为销售的佣金。在服务外汇平台的第三方工作人员中，也有被称为IB代理的，职责是为平台发展客户，以赚取交易者点差中的佣金为收入来源。

使用模式尽量保持用户友好，如果策略中的逻辑已决定发布订单的时候了，则可以这样使用OCO:

def next(self):...o1 = self.buy(...)...o2 = self.buy(..., oco=o1)...o3 = self.buy(..., oco=o1)  # or even oco=o2, o2 is already in o1 group

第一个order o1将类似于组长。通过用oco命名参数指定o1，o2和o3成为OCO组的一部分。请注意，代码片段中的注释表明，通过指定O2（O2已经是组的一部分），o3也可以成为组的一部分。
随着order组的形成，将发生以下情况:
如果该组中的任何订单被执行、取消或过期，其他订单将被取消。
理解：订单组中，只能有一个订单成交。

2.示例

现金额度到50000，因为资产价值达到4000，3个order，其中1给订单至少需要12000（broker的默认值为10000）

标准的SMA交叉策略，该示例执行以下操作:

当快速均线向上穿过慢速均线时，发出3个order
order1是限价订单，将在限制天内到期（策略的参数），用收盘价降低1个百分点作为限价
order2是限价订单，到期时间更长，限价更低。
order3是更进一步降低限价的限价单
order3 is a Limit order which further reduces the limit price

因此order2和order3不会执行，因为:

order1如首先执行，将触发其他订单的取消
或者
order1将到期，也将触发其他订单的取消

系统保留3个订单的参考ID，只有在notify_order中显示三个ID为已完成、已取消、保证金或过期时，才会发出新的order 。

在持有某些bar的头寸后，就简单退出。

（1）程序

from __future__ import (absolute_import, division, print_function,unicode_literals)import argparse
import datetimeimport backtrader as btclass St(bt.Strategy):params = dict(ma=bt.ind.SMA,p1=5,p2=15,limit=0.005,limdays=3,limdays2=1000,hold=10,switchp1p2=False,  # switch prices of order1 and order2oco1oco2=False,  # False - use order1 as oco for order3, else order2do_oco=True,  # use oco or not)def notify_order(self, order):print('{}: Order ref: {} / Type {} / Status {}'.format(self.data.datetime.date(0),order.ref, 'Buy' * order.isbuy() or 'Sell',order.getstatusname()))if order.status == order.Completed:self.holdstart = len(self)if not order.alive() and order.ref in self.orefs:self.orefs.remove(order.ref)def __init__(self):ma1, ma2 = self.p.ma(period=self.p.p1), self.p.ma(period=self.p.p2)self.cross = bt.ind.CrossOver(ma1, ma2)self.orefs = list()def next(self):if self.orefs:return  # pending orders do nothingif not self.position:if self.cross > 0.0:  # crossing upp1 = self.data.close[0] * (1.0 - self.p.limit)p2 = self.data.close[0] * (1.0 - 2 * 2 * self.p.limit)p3 = self.data.close[0] * (1.0 - 3 * 3 * self.p.limit)if self.p.switchp1p2:p1, p2 = p2, p1o1 = self.buy(exectype=bt.Order.Limit, price=p1,valid=datetime.timedelta(self.p.limdays))print('{}: Oref {} / Buy at {}'.format(self.datetime.date(), o1.ref, p1))oco2 = o1 if self.p.do_oco else Noneo2 = self.buy(exectype=bt.Order.Limit, price=p2,valid=datetime.timedelta(self.p.limdays2),oco=oco2)print('{}: Oref {} / Buy at {}'.format(self.datetime.date(), o2.ref, p2))if self.p.do_oco:oco3 = o1 if not self.p.oco1oco2 else oco2else:oco3 = Noneo3 = self.buy(exectype=bt.Order.Limit, price=p3,valid=datetime.timedelta(self.p.limdays2),oco=oco3)print('{}: Oref {} / Buy at {}'.format(self.datetime.date(), o3.ref, p3))self.orefs = [o1.ref, o2.ref, o3.ref]else:  # in the marketif (len(self) - self.holdstart) >= self.p.hold:self.close()def runstrat(args=None):args = parse_args(args)cerebro = bt.Cerebro()# Data feed kwargskwargs = dict()# Parse from/to-datedtfmt, tmfmt = '%Y-%m-%d', 'T%H:%M:%S'for a, d in ((getattr(args, x), x) for x in ['fromdate', 'todate']):if a:strpfmt = dtfmt + tmfmt * ('T' in a)kwargs[d] = datetime.datetime.strptime(a, strpfmt)# Data feeddata0 = bt.feeds.BacktraderCSVData(dataname=args.data0, **kwargs)cerebro.adddata(data0)# Brokercerebro.broker = bt.brokers.BackBroker(**eval('dict(' + args.broker + ')'))# Sizercerebro.addsizer(bt.sizers.FixedSize, **eval('dict(' + args.sizer + ')'))# Strategycerebro.addstrategy(St, **eval('dict(' + args.strat + ')'))# Executecerebro.run(**eval('dict(' + args.cerebro + ')'))if args.plot:  # Plot if requested tocerebro.plot(**eval('dict(' + args.plot + ')'))def parse_args(pargs=None):parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,description=('Sample Skeleton'))parser.add_argument('--data0', default='./datas/2005-2006-day-001.txt',required=False, help='Data to read in')# Defaults for datesparser.add_argument('--fromdate', required=False, default='',help='Date[time] in YYYY-MM-DD[THH:MM:SS] format')parser.add_argument('--todate', required=False, default='',help='Date[time] in YYYY-MM-DD[THH:MM:SS] format')parser.add_argument('--cerebro', required=False, default='',metavar='kwargs', help='kwargs in key=value format')parser.add_argument('--broker', required=False, default='',metavar='kwargs', help='kwargs in key=value format')parser.add_argument('--sizer', required=False, default='',metavar='kwargs', help='kwargs in key=value format')parser.add_argument('--strat', required=False, default='',metavar='kwargs', help='kwargs in key=value format')parser.add_argument('--plot', required=False, default='',nargs='?', const='{}',metavar='kwargs', help='kwargs in key=value format')return parser.parse_args(pargs)if __name__ == '__main__':runstrat()

（2）oco=True

第一批order订单发出，order1过期，order2和order3同时取消，如前面说明的一样。
order1的有效期是3天，28日触发下单，30日无数据，31日order提交并接受，2月1日order1过期。
6月23日一批3个订单触发。订单49完成，订单50和订单51立即取消。

python ./oco.py --broker cash=50000 --plot
2005-01-28: Oref 1 / Buy at 2941.11055
2005-01-28: Oref 2 / Buy at 2896.7722
2005-01-28: Oref 3 / Buy at 2822.87495
2005-01-31: Order ref: 1 / Type Buy / Status Submitted
2005-01-31: Order ref: 2 / Type Buy / Status Submitted
2005-01-31: Order ref: 3 / Type Buy / Status Submitted
2005-01-31: Order ref: 1 / Type Buy / Status Accepted
2005-01-31: Order ref: 2 / Type Buy / Status Accepted
2005-01-31: Order ref: 3 / Type Buy / Status Accepted
2005-02-01: Order ref: 1 / Type Buy / Status Expired
2005-02-01: Order ref: 3 / Type Buy / Status Canceled
2005-02-01: Order ref: 2 / Type Buy / Status Canceled
2005-03-03: Oref 4 / Buy at 3062.71945
2005-03-03: Oref 5 / Buy at 3016.5478000000003
2005-03-03: Oref 6 / Buy at 2939.59505
2005-03-04: Order ref: 4 / Type Buy / Status Submitted
2005-03-04: Order ref: 5 / Type Buy / Status Submitted
2005-03-04: Order ref: 6 / Type Buy / Status Submitted
2005-03-04: Order ref: 4 / Type Buy / Status Accepted
2005-03-04: Order ref: 5 / Type Buy / Status Accepted
2005-03-04: Order ref: 6 / Type Buy / Status Accepted
2005-03-07: Order ref: 4 / Type Buy / Status Expired
2005-03-07: Order ref: 6 / Type Buy / Status Canceled
2005-03-07: Order ref: 5 / Type Buy / Status Canceled
2005-03-31: Oref 7 / Buy at 3040.45135
2005-03-31: Oref 8 / Buy at 2994.6154
2005-03-31: Oref 9 / Buy at 2918.22215
... ...
2006-06-23: Oref 49 / Buy at 3532.39925
2006-06-23: Oref 50 / Buy at 3479.147
2006-06-23: Oref 51 / Buy at 3390.39325
2006-06-26: Order ref: 49 / Type Buy / Status Submitted
2006-06-26: Order ref: 50 / Type Buy / Status Submitted
2006-06-26: Order ref: 51 / Type Buy / Status Submitted
2006-06-26: Order ref: 49 / Type Buy / Status Accepted
2006-06-26: Order ref: 50 / Type Buy / Status Accepted
2006-06-26: Order ref: 51 / Type Buy / Status Accepted
2006-06-26: Order ref: 49 / Type Buy / Status Completed
2006-06-26: Order ref: 51 / Type Buy / Status Canceled
2006-06-26: Order ref: 50 / Type Buy / Status Canceled

在这里插入图片描述

（3）oco=False

不使用OCO的效果：

python ./oco.py --strat do_oco=False --broker cash=50000
2005-01-28: Oref 1 / Buy at 2941.11055
2005-01-28: Oref 2 / Buy at 2896.7722
2005-01-28: Oref 3 / Buy at 2822.87495
2005-01-31: Order ref: 1 / Type Buy / Status Submitted
2005-01-31: Order ref: 2 / Type Buy / Status Submitted
2005-01-31: Order ref: 3 / Type Buy / Status Submitted
2005-01-31: Order ref: 1 / Type Buy / Status Accepted
2005-01-31: Order ref: 2 / Type Buy / Status Accepted
2005-01-31: Order ref: 3 / Type Buy / Status Accepted
2005-02-01: Order ref: 1 / Type Buy / Status Expired

仅此而已，没有订单执行，也不太需要图表

The batch of orders is issued
order1过期，但是由于策略的参数do_oco=False，order2和order3不属于oco组，没有出现取消的状态。

Orders 2 and 3 are therefore not cancelled and because the default expiration delta is 1000 days later, they never expire with the available data for the sample (2 years of data)

order2和order3不会被取消，因为默认的到期是1000天后，它们永远不会因样本的可用数据（2年的数据）而到期。
系统永远不能触发order2和order3。

3.Help

python ./oco.py --help
usage: oco.py [-h] [--data0 DATA0] [--fromdate FROMDATE] [--todate TODATE][--cerebro kwargs] [--broker kwargs] [--sizer kwargs][--strat kwargs] [--plot [kwargs]]Sample Skeletonoptional arguments:-h, --help           show this help message and exit--data0 DATA0        Data to read in (default:./datas/2005-2006-day-001.txt)--fromdate FROMDATE  Date[time] in YYYY-MM-DD[THH:MM:SS] format (default: )--todate TODATE      Date[time] in YYYY-MM-DD[THH:MM:SS] format (default: )--cerebro kwargs     kwargs in key=value format (default: )--broker kwargs      kwargs in key=value format (default: )--sizer kwargs       kwargs in key=value format (default: )--strat kwargs       kwargs in key=value format (default: )--plot [kwargs]      kwargs in key=value format (default: )

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Backtrader 文档学习-Order OCO orders

Backtrader 文档学习-Order OCO orders

1.概述

2.示例

（1）程序

（2）oco=True

（3）oco=False

3.Help

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