What is your true average stock purchase price?

Calculate weighted average buy price across multiple purchases.

When this calculator is useful

Calculate the weighted average purchase price when shares are bought at different prices.

What to enter

Enter each buy price and the corresponding quantity of shares.

How to read the result

Total shares and total purchase cost are combined to calculate the average buy price, which also serves as the basic break-even share price before additional transaction costs.

Questions worth testing

Compare averaging down with a lower second purchase price, averaging up with a higher price, or changing the quantity of the second purchase.