Sedol: the Unique Identifier?


The London Stock Exchange’s (LSE) proposed extension of its Sedol code is the only current model that meets the criteria of a unique instrument identifier, according to a white paper published last week by the Reference Data User Group (RDUG) and Reference Data Coalition (Redac).

The user groups considered three other options: modifying the International Securities Identification Number (ISIN) to define financial instruments at the place of listing level; the Association of National Numberin

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