Cost Basis Formula:
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Cost basis represents the original value of an asset for tax purposes, typically the purchase price adjusted for stock splits, dividends, and return of capital distributions. It is used to calculate capital gains or losses when the asset is sold.
The calculator uses the cost basis formula:
Where:
Explanation: The formula calculates the adjusted cost basis per share, which is essential for accurate tax reporting when selling investments.
Details: Accurate cost basis calculation is crucial for determining capital gains taxes, making informed investment decisions, and maintaining proper financial records for tax compliance.
Tips: Enter purchase price per share in currency, commissions paid in currency, and any returns received in currency. All values must be non-negative numbers.
Q1: Why is cost basis important for investors?
A: Cost basis determines the taxable gain or loss when you sell an investment, directly affecting your tax liability.
Q2: What happens if I don't know my exact cost basis?
A: The IRS may assume a cost basis of zero, resulting in higher taxable gains. Always keep accurate records of purchase prices and adjustments.
Q3: How do stock splits affect cost basis?
A: Stock splits adjust your cost basis proportionally. For example, in a 2-for-1 split, your cost basis per share is halved.
Q4: Are dividends included in cost basis?
A: Regular dividends are not included in cost basis, but return of capital distributions reduce your cost basis.
Q5: What's the difference between FIFO and specific identification methods?
A: FIFO assumes you sell the oldest shares first, while specific identification allows you to choose which shares to sell, potentially optimizing tax outcomes.