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Stock Average Calculator

Free stock average calculator — enter each purchase (quantity and price) to get your average buy price, total shares and total investment, in your browser.

One purchase per line: quantity price

Runs entirely in your browser — nothing you enter is uploaded or stored.

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Frequently asked questions

Is my data uploaded?

No. This calculator runs entirely in your browser — the numbers you enter are never sent to a server. You can verify it in the Network tab or our Content-Security-Policy.

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