Home

SEDOL Validator

Instantly validate SEDOL stock codes with this free validator built for everyday investors. Includes clear explanations so you can invest with confidence.

Explainer

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.

Naming Convention

SEDOL codes are only valid if they follow this naming convention:

First character
Either a digit (pre-2004) or a letter, excluding vowels
Next 5 characters
Either all digits (pre-2004) or alphanumeric characters, excluding vowels
Last character
Check digit (using the SEDOL weighted sum algorithm)

Additional Information

Scope
National
Region
United Kingdom
Issuer
London Stock Exchange
Compliance Standard
LSE Standard
Additionally

Please note that post-2004 SEDOL codes no longer have a semantic meaning.

Also Useful

Heatmaps
Visualize movement of stocks, markets, indices and more.
Other Stock Code Validators
Validate ISIN, SEDOL, LEI and more.

Explainer

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.

Naming Convention

SEDOL codes are only valid if they follow this naming convention:

First character
Either a digit (pre-2004) or a letter, excluding vowels
Next 5 characters
Either all digits (pre-2004) or alphanumeric characters, excluding vowels
Last character
Check digit (using the SEDOL weighted sum algorithm)

Additional Information

Scope
National
Region
United Kingdom
Issuer
London Stock Exchange
Compliance Standard
LSE Standard
Additionally

Please note that post-2004 SEDOL codes no longer have a semantic meaning.

Also Useful

Heatmaps
Visualize movement of stocks, markets, indices and more.
Other Stock Code Validators
Validate ISIN, SEDOL, LEI and more.