CUSIP Validator
Instantly validate CUSIP stock codes with this free validator built for everyday investors. Includes clear explanations so you can invest with confidence.
Explainer
CUSIP is short for "Committee on Uniform Securities Identification Procedures" and is a nine-character alphanumeric code that uniquely identifies securities in North America.
Naming Convention
CUSIP codes are only valid if they follow this naming convention:
First 6 characters
Alphanumeric issuer code
Next 2 characters
Alphanumeric issue number
Last character
Check digit (using the Luhn algorithm)
Additional Information
Scope
National
Region
North America
Issuer
CUSIP Global Services (CGS)
Compliance Standard
ANSI X9.6
Also Useful
Heatmaps
Visualize movement of stocks, markets, indices and more.
Other Stock Code Validators
Validate ISIN, SEDOL, LEI and more.
Explainer
CUSIP is short for "Committee on Uniform Securities Identification Procedures" and is a nine-character alphanumeric code that uniquely identifies securities in North America.
Naming Convention
CUSIP codes are only valid if they follow this naming convention:
First 6 characters
Alphanumeric issuer code
Next 2 characters
Alphanumeric issue number
Last character
Check digit (using the Luhn algorithm)
Additional Information
Scope
National
Region
North America
Issuer
CUSIP Global Services (CGS)
Compliance Standard
ANSI X9.6
Also Useful
Heatmaps
Visualize movement of stocks, markets, indices and more.
Other Stock Code Validators
Validate ISIN, SEDOL, LEI and more.