tax basis
Tax basis
In the context of investments, the price of a stock or bond plus the broker's commission.
Tax Basis
2. The all-in cost of a security when it is bought. That is, it is the price of the security plus any applicable fees. This is the price against which any capital gains or losses are calculated for tax purposes. For example, if the tax basis for a stock is $5 per share and the investor sells it for $7, then the capital gain for which one is liable is $2 per share. It is also called the cost basis or simply the basis.