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Stock Average Cost Calculator

Calculate additional investment amount to lower the average cost of your stock holdings

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Stock Information Input

Select calculation method

Stock Calculator Usage Guide

  • Enter your current stock information (purchase price, quantity) and the current stock price.
  • You can calculate based on additional investment amount or target average price.
  • You can view the new average purchase price, total investment, and total quantity after averaging down.
  • This calculator provides simple results without considering trading fees and taxes.
  • When making actual investments, please consider additional costs and risks.