WRDS (Wharton Research Data Services)

Access Database
Database Introduction

WRDS provides clients with the broadest Collection of financial,economic and marketing data, analytics, and the most robust computing infrastructure available, making it the global standard for integrated research systems.

CRSP:(1)CRSP 1962 US Stock Database-Annually Update ; (2)CRSP 1925 US Index Database-Annually Update; (3)CRSP/COMPUSTAT Merged Database-Annually Update; (4) Daily & Monthly CRSP US Treasury Database-Annually Update; (5)CRSP Survivor-Bias-Free US Mutual Fund Database-Quarterly Update.

Compustat:(1) Compustat North America Historical Package : Historical fundamental data for North American companies with annual data from 1950 and quarterly restated data from 1962. (2) Compustat Global Package : Fundamental and market data for active and inactive companies covering approximately 50,000 international companies. (3) S&P Capital IQ ’S Compustat Execucomp : Provides annual data from 1992 on the top five executive officers within a company covering more than 33,000 executives and over 220 data items. (4) S&P Capital IQ Capital Structure : Debt and equity capital structure with history from 2004/2005*, and all detailed components of a company’s total debt and equity, plus the key characteristics of each debt and equity component. (5) S&P Capital Key Developments : Structured summaries of material news and events including executive changes, M&A rumors, changes in corporate guidance, delayed filings, SEC inquiries, and more. Includes announced date, entered date, modified date, headline, situation summary, type, source, company role, and other identifiers.

ISS Data:(1) Director + Director Legacy – S&P 1500 database:covers individual corporate directors, derived from an annual review of proxy -based information regarding members of boards of directors of US companies in the S&P 1500 Composite Index (S&P500, S&P Midcap, and S&P SmallCap indices).   (2) Governance + Governance Legacy – S&P 1500 database:Corporate Takeover Defense Data, whereby ISS tracks data on a total of at least 22 provisions of corporate charters, bylaws, corporate contracts and certain state laws.  (3) Voting Analytics, Votes Results (US and Non-US) reported by Issuers on all shareholder proposals and all routine and non-routine management proposals which ISS obtained the results  – Russell 3,000 companies for US and Non-US companies covered by ISS.   (4) Shareholder Proposals: Russell 3,000 companies for US and Non-US companies covered by ISS。

OptionMetrics:(1) OptionMetrics’ IvyDB US is a comprehensive source of historical price and implied volatility data for the US equity and index options markets. (2) OptionMetrics’ IvyDB Europe is the first comprehensive database of historical option process, implied volatility and sensitivity calculations for the major European markets.

Responsible Librarian
Feiyan Huang (+86-755-88010842, huangfy@sustc.edu.cn)
Copyright Notice
1. Any downloading of the library-subscribed electronic resources by network downloading software tools is prohibited. 2. Any systematically over-downloading of full-text documents from library-subscribed databases is prohibited. 3. Any redistributing electronic literatures to informal users and any use of these electronic literatures for the purpose of making profits are prohibited. 4. Without the prior permission of the library, neither organization nor individual has the right to provide informal users to access the library-subscribed electronic resources via proxy server. 5. If there is any violation of the above rules, the library will make a detailed investigation. The violator will be punished.