National Securities Identifying Number (NSIN)
Definition of what National Securities Identifying Number (NSIN) stands for (in finance):
Denotes country-specific identification standards to characterize securities. NSINs consist of nine alphanumeric digits and include national standards such as the CUSIP in the US, the SEDOL in the UK, the WKN in Germany, and the security number (“Valorennummer”) in Switzerland. The respective NSINs, in turn, are part of the international securities number ISIN.
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