Cost Basis

A tax provision that lets an investor defer capital gains tax by rolling the proceeds of a sold investment property into a similar replacement property.

A family of IRS forms reporting income received outside of wages, including interest, dividends, and contractor payments.

The profit realized when an investment is sold for more than its purchase price. Short-term capital gains are taxed differently than long-term gains in many jurisdictions.

Selling at a loss and repurchasing a substantially identical security within 30 days, which disallows the tax deduction.