Data Coding Schemes
Various data in CRSP databases, such as share types, distribution events, and delisting events, are represented by numeric codes. Follow the links below to view tables of codes and their meanings.
| Category | Contents |
|---|---|
| Name History Array Codes | Share Type; North American Security Exchange and Indices Codes |
| Distribution Codes | Values and meanings of CRSP's four-digit distribution event codes; table of commonly coded distribution events in CRSP stock databases |
| Delisting Codes | Explanation of codes for categories of delisting events: active, mergers, exchanges, liquidations, drops, expirations, and domestic securities that became foreign |
| NASDAQ Information Codes | NASDAQ Status Code; NASDAQ National Market Indicator; NASD Index Code |
| Missing Return Codes | Explanation of codes used to represent missing returns |