Figuring out the basisIf a substantial amount of time has passed since you inherited the stock, you'll need to find historical prices for the shares as of the date of death.

Cost Basis: Overview, How to Calculate, Example By Kristi Waterworth – Apr 3, 2025 at 10:59AM Key Points ...

Learn how to calculate the cost basis for mutual funds, which is their original value, adjusted for stock splits, dividends, & capital distributions.

Q. I have an inherited IRA from my grandmother. I receive small Required Minimum Distributions (RMDs) annually since she passed in 2008. What is the cost basis of an inherited IRA for New Jersey?