The total cost would be $1,000, and your cost basis for each individual share would be $100. A year later, XYZ stock is trading at $150 per share, and you decide to sell five shares.

Stock Splits There are many factors that can affect the cost basis calculation such as mergers, special dividends and bankruptcies. A common one is stock splits. This is when a company increase the ...

Cost basis is the amount paid for an investment or asset, including any brokerage or trading fees and costs. It's predominantly used for tax purposes. Learn about how to calculate it.

If you bought your home for $200,000 and sold it for $250,000, your cost basis (sometimes referred to as a tax basis) is $200,000, and your basic gain $50,000.

Let's say you bought 100 shares of Altria for $70 a share before the spinoff. To figure your cost basis in Altria after the spinoff, multiply $70 by the allocation factor of 30.5%, or $21.35 a share.

If these parameters apply to you, you’ll want to see where your cost basis percentage falls on T. Rowe Price’s break-even cost basis graph, here. Bottom Line ...

However, at tax time, it can be difficult to calculate your cost basis when you eventually decide to sell the shares you've accumulated over a lifetime of dividend reinvestment. Below, we'll go ...

You can do this by simply dividing the cost basis – how much you originally paid for the asset – by its current value. For example, say you bought $10,000 worth of stock that's now worth $14,000.