Definition
The original purchase price of an asset used to calculate capital gains taxes, proving that the IRS wants documentation of every financial decision you've ever made. Lose track of it and prepare for tax-time panic.
Example Usage
I couldn't find the cost basis for stocks I bought in 2015, so I'm either paying too much in taxes or committing accidental fraud.
Source: Tax accounting and investment tracking
Related Terms
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See “cost basis” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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