With the functions `figi_check`, `cusip_check`, `isin_check`, `sedol_check`, in this package, you can check the validity of the following financial instrument identifiers: FIGI (Financial Instrument Global Identifier <https://www.openfigi.com/about/figi>), CUSIP (Committee on Uniform Security Identification Procedures <https://www.cusip.com/identifiers.html#/CUSIP>), ISIN (International Securities Identification Number <https://www.cusip.com/identifiers.html#/ISIN>), SEDOL (Stock Exchange Daily Official List <https://www2.lseg.com/SEDOL-masterfile-service-tech-guide-v8.6>). With the function `figi_compute_checksum`, you can also calculate the FIGI checksum of 11-character strings, which can be useful if you want to create your own FIGI identifiers.
Maintainer: Panagiotis Cheilaris philaris@gmail.com
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