前言
想开始量化学习不知道如何入手?市面上的学习资料太多不知道该怎么看?
博主将从零基础讲解回测框架,一步步完成量化数据源的搭建,让你10天内成为量化高手
博主同时将视频课程内容在B站更新,可以关注“量化NPC”获取最新的视频课程
不清楚如何安装backtrader和配置可以点击:
Backtrader保姆级教学+免费行情源 框架介绍
本篇文章可配合b站观看效果更佳:
backtrader量化回测保姆级教学【合集】
所使用的代码和csv文件,在文章结尾附录部分。
SMA策略介绍
接入行情源
本文使用的是INSIGHT行情源,提供免费的TICK数据,分钟K,日K,以及各类金融资讯数据
如果对INSIGHT感兴趣的用户可以访问:INSIGHT数字文档
如果想看各类数据源对比的可以看:量化免费行情源最强对比分析
编写策略
定义strategy里的init方法
- 引用bt中默认的indicator.MovingAverageSimple()
- 调用indicator.crossover,crossover的含义是去判断收盘价是否与bt_sma发生了交叉,如果为1,则为上穿,0则没有交叉,-1为下穿。buy_or_sell为一个时间序列,类似于[0,0,0,0,0,1,0,0,0,-1,1……]的序列
def __init__(self):
self.bt_sma = bt.indicators.MovingAverageSimple(self.data, period=3)
self.buy_or_sell = bt.indicators.CrossOver(self.data, self.bt_sma)
import backtrader as bt
import pandas as pd
from com.insight import common
from com.insight.query import *
from com.insight.market_service import market_service
from datetime import datetime
# user 用户名
# password 密码
def login():
# 登陆前 初始化
user = "填写自己的账户"
password = "填写自己的密码"
common.login(market_service, user, password)
class Mystrategy(bt.Strategy):
def __init__(self):
self.bt_sma = bt.indicators.MovingAverageSimple(self.data, period=3)
self.buy_or_sell = bt.indicators.CrossOver(self.data, self.bt_sma)
def start(self):
print("start")
def prenext(self):
print("prenext")
def next(self):
print("next")
# 方法一
# ma_value = sum(self.data.close[-date] for date in range(3))/3
# pre_ma_value = sum(self.data.close[-date-1] for date in range(3))/3
# 方法二
# ma_value = self.bt_sma[0]
# pre_ma_value = self.bt_sma[-1]
# if self.data.close[0] > ma_value and self.data.close[-1] < pre_ma_value:
# self.order = self.buy()
# if self.data.close[0] < ma_value and self.data.close[-1] > pre_ma_value:
# self.order = self.sell()
# if self.buy_or_sell[0] == 1:
# self.order = self.buy()
# elif self.buy_or_sell[0] == -1:
# self.order = self.sell()
if self.getposition().size >= 0 and self.buy_or_sell[0] == 1:
self.order = self.buy()
if self.getposition().size <= 0 and self.buy_or_sell[0] == -1:
self.order = self.sell()
if self.getposition().size > 0 and self.buy_or_sell[0] == -1:
self.order = self.close()
self.order = self.sell()
if self.getposition().size < 0 and self.buy_or_sell[0] == 1:
self.order = self.close()
self.order = self.buy()
if __name__ == '__main__':
#方法一
login()
df = get_kline(htsc_code=["601688.SH"], time=[datetime(2021, 5, 10), datetime(2022, 5, 10)],
frequency="daily", fq="none")
# csv = df.to_csv("daily-kline.csv")
#方法二
# df = pd.read_csv("daily-kline.csv")
# df["time"] = pd.to_datetime(df["time"])
data = bt.feeds.PandasData(
dataname=df,
fromdate=datetime(2021, 5, 10),
todate=datetime(2022, 5, 10),
datetime='time',
# open='open',
# high='high',
# low='low',
# close='close',
# volume='volume',
openinterest=-1
)
cerebro = bt.Cerebro()
cerebro.adddata(data, name="daily_kline")
cerebro.addstrategy(Mystrategy)
result = cerebro.run()
cerebro.plot()