券商涨停后上证指数的表现
背景
20181022券商板块集体涨停,想看看历史上类似事件发生后对市场的影响
安装
安装 pip install tushare
注册tushare获取接口TOKEN
分析过程
import tushare as ts
import pandas as pd
import seaborn as sns
from matplotlib import pyplot as plt
import datetime
pro = ts.pro_api('your token')
#由于tushare单次调取最多取2800行记录, 因此从最近往前推2800天获取时间窗
end_date = '20181019'#20181022券商板块涨停
end_date_list = []
start_date_list = []
for i in range(1, 3):
end_date_list.append(end_date)
end_date = datetime.datetime.strptime(end_date, '%Y%m%d')
start_date = end_date - datetime.timedelta(2800*i)
end_date = start_date - datetime.timedelta(1)
end_date = end_date.strftime('%Y%m%d')
start_date = start_date.strftime('%Y%m%d')
start_date_list.a