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Python access to WRDS Data

Project Description

WRDS-Py is a library for extracting data from WRDS data sources and getting it into Pandas. The library allows users to access data from WRDS and extract data using SQL statements. The data that is returned is read into a Pandas data frame.


Mac OS/Linux

$ python install


The WRDS-PY package requires Pandas and Psycopg2. Binaries of these can be found here:

Once the two required packages are installed, you can run $ python install

For more information please consult the WRDS Support section at


>>> import wrds
>>> db = wrds.Connection()
Enter your credentials.
Username: <your_username>
Password: <your_password>
>>> db.list_libraries()
['audit', 'bank', 'block', 'bvd', 'bvdtrial', 'cboe', ...]
>>> db.list_tables(library='crsp')
['aco_amda', 'aco_imda', 'aco_indfnta', 'aco_indfntq', ...]
>>> db.describe_table(library='csrp', table='stocknames')
Approximately 58957 rows in crsp.stocknames.
       name    nullable              type
0      permno      True  DOUBLE PRECISION
1      permco      True  DOUBLE PRECISION
2      namedt      True              DATE
>>> stocknames = db.get_table(library='crsp', table='stocknames', obs=10)
>>> stocknames.head()
   permno  permco      namedt   nameenddt     cusip    ncusip ticker  \
0  10000.0  7952.0  1986-01-07  1987-06-11  68391610  68391610  OMFGA
1  10001.0  7953.0  1986-01-09  1993-11-21  36720410  39040610   GFGC
2  10001.0  7953.0  1993-11-22  2008-02-04  36720410  29274A10   EWST
3  10001.0  7953.0  2008-02-05  2009-08-03  36720410  29274A20   EWST
4  10001.0  7953.0  2009-08-04  2009-12-17  36720410  29269V10   EGAS

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