Baostock: Use Python's Baostock interface to query the quarterly frequency growth capability

Securities Bao Www.baostock.com is a free, open-source securities data platform.

Provide a large number of accurate and complete securities historical market data, listed company financial data, real-time securities market push services.
Acquisition of securities data information through the Python API, to meet quantitative trading investors, quantitative financial enthusiasts, metering economic practitioners data needs.

        This introduction interface: Get quarterly profitability data :query_growth_data ()

(The following code from the official website, invasion and deletion )

Method Description: Query the quarterly frequency growth ability information, can be set by the parameters of the corresponding year, quarter data, to provide 2007 to date data, to provide 2007 to date data.

return type: The Dataframe type of pandas.

The sample code is as follows:

IMPORT BAOSTOCK AS BSIMPORT PANDAS AS PD #  Landing System Lg = bs.login (user_id= "Anonymous",  password= "123456") #  display login return information print (' Login  respond error_code: ' +lg.error_code ' Print (' login respond  error_msg: ' +lg.error_msg) #   Growth capacity Growth_list = []rs_growth = bs.query_growth_data (code= "sh.600000",  year= 2017, quarter=2) while  (rs_growth.error_code ==  ' 0 ')  & rs_growth.next ():     growth_list.append (Rs_growth.get_row_data ()) result_growth = pd. DataFrame (growth_list, columns=rs_growth.fields) #  printed output print (result_growth) #  result set Output to CSV file Result_ Growth.to_csv ("D:\\growth_data.csv",  encoding= "GBK",  index=false) #  logout system bs.logout () 

parameter meaning:
Code: Stock code, SH or sz.+6 digit code, or index code, such as: sh.601398. SH: Shanghai; SZ: Shenzhen. This parameter is not nullable;
Year: Statistic year, default current year for empty;
Quarter: Statistics quarter, empty when default current quarter. When not empty, there are only 4 values: 1,2,3,4.

Return Data Description

parameter name	parameter description
code	security code
pubdate	date of publication of the company's earnings
statdate	Last day of the quarter of the earnings statistics, such as 2017-03-31, 2017-06-30
yoyequity	net asset growth rate (YoY)
yoyasset	Total assets YoY growth rate
yoyni	net profit YoY growth rate
yoyepsbasic	Basic earnings per share YoY growth rate
YOYPNI	attributable to parent company shareholder net profit YoY growth rate

Sample data:

Baostock: Use Python's Baostock interface to query the quarterly frequency growth capability