Stock Code Validators

Instantly verify stock codes with our free validators built for everyday investors. Includes clear explanations so you can invest with confidence. Part of our stock market analysis tools.

CFI Validator

CFI is short for "Classification of Financial Instruments" and is a six-character alphabetic code that categorizes financial instruments according to the ISO 10962 standard.

CUSIP Validator

CUSIP is short for "Committee on Uniform Securities Identification Procedures" and is a nine-character alphanumeric code that uniquely identifies securities in North America.

ISIN Validator

ISIN is short for "International Securities Identification Number" and is a 12-character alphanumeric code that uniquely identifies securities globally.

LEI Validator

LEI is short for "Legal Entity Identifier" and is a 20-character alphanumeric code that uniquely identifies legal entities globally.

SEDOL Validator

SEDOL is short for "Stock Exchange Daily Official" and is a seven-character alphanumeric code that uniquely identifies securities in the United Kingdom and Ireland.

WKN Validator

WKN is short for "Wertpapierkennnummer" and is a six-character alphanumeric identifier used to uniquely identify securities in Germany.