Calculadora de Precio Promedio de Acciones
Calcula el costo promedio por acción al comprar a diferentes precios.
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Calculating Your Average Stock Purchase Price
Resumen
When you buy the same stock at several different prices, your average cost per share — not any single purchase price — determines your profit or loss. This calculator adds up multiple buys and returns the total shares, total cost, and weighted average price, so you always know your true break-even. It runs in your browser and stores nothing.
Cómo usar (paso a paso)
- 1
Enter each purchase
Add the number of shares and price for every buy you made.
- 2
Add more rows as needed
Include every transaction so the average reflects your full position.
- 3
Read your average price
This weighted average is your break-even price per share.
Cómo Funciona
The average price is a weighted average: total amount invested ÷ total shares bought, not a simple average of the prices. Buying more shares at a lower price pulls your average down (often called averaging down); buying at higher prices pulls it up. Knowing this number tells you exactly what price the stock must reach for you to break even.
Cuándo usarlo
Tracking your cost basis after several purchases of the same stock. Deciding whether averaging down meaningfully lowers your break-even. Planning a target sell price relative to your true average cost.
Preguntas Frecuentes
Because you usually buy different quantities at each price. A weighted average accounts for how many shares you bought at each level, which is your real cost basis.
Notas Importantes
This tool performs arithmetic on the figures you enter and is not investment advice. Past prices do not predict future results — consult a licensed financial advisor before making investment decisions.