PERMNO/INDNO
Category: Identification
Data Type: Double Precision Floating Point
Description
A unique permanent identification number assigned by CRSP to each security. You can track a security through its entire trading history in CRSP's files with one PERMNO, regardless of name or capital structure changes.
Date Range Availability
| Daily | Monthly |
|---|---|
| 1925 | 1925 |
Database Availability and Product Types
| Database Formats | Product Types |
|---|---|
| CRSPAccess | STK |
ts_print/TsQuery Usage
| Daily ITEMID | permno |
|---|---|
| Monthly ITEMID | mpermno |
| Header | PERMNO |
| SUBNO | 0 |