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Excel will convert many CUSIPs (strings) into numbers (scientific notation). For a relatively comprehensive list, see below. https://www.empirasign.com/cusip-
by databoy24 2y ago
Excel will convert many CUSIPs (strings) into numbers (scientific notation). For a relatively comprehensive list, see below.
https://www.empirasign.com/cusip-excel-rosetta/ https://www.empirasign.com/cusip-excel-rosetta/
Barring some types of corporate actions, CUSIPs numbers cannot change, and I doubt the ABA is aware of this issue.