Stock Average Calculator
Find your average cost per share after averaging down on a position.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator finds your blended average share price and total cost basis after buying the same stock at two different prices — the weighted average of both purchases based on how many shares you bought at each price.
Investors use it when averaging down (buying more shares after a price drop) or simply adding to a position over time, to know their true break-even price and total investment before deciding whether to buy more, hold, or sell.
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