Stock calculator

By | June 16, 2025

Stock Calculator – Formula, Free Online Tools, Mobile Apps & FAQs for South Africans

What Is a Stock Calculator?

A stock calculator is a tool that helps investors determine the potential profits or losses on their stock investments. In South Africa, this tool is essential for individuals looking to manage their investment portfolios effectively. For example, a stock calculator can be used to calculate the return on investment for shares bought on the Johannesburg Stock Exchange (JSE).

How to Calculate Stock Manually

The formula to calculate the return on investment (ROI) for a stock is:

ROI = (Current Stock Price – Purchase Stock Price) / Purchase Stock Price x 100

Let’s say you purchased 100 shares of a company at R50 per share and the current price is R60 per share. Plugging in the values:

ROI = (60 – 50) / 50 x 100 = 20%

Best Free Online Stock Tools in South Africa

When Should You Use a Stock Calculator?

A stock calculator is useful in South Africa when making decisions about buying, selling, or holding onto stocks. It can also help in calculating capital gains tax when filing returns to the South African Revenue Service (SARS). Additionally, it’s beneficial for individuals looking to assess the performance of their investment portfolios.

Where to Learn More About Stock Calculators

Financial Institutions That Offer Related Calculators

Frequently Asked Questions About Stock Calculators

  • What is the importance of using a stock calculator in South Africa?
  • How often should I calculate the ROI on my stock investments?
  • Are there any free stock calculators available online for South Africans?
  • Can a stock calculator help me make better investment decisions on the JSE?
  • How accurate are the calculations provided by stock calculators?
  • Is it necessary to factor in brokerage fees when using a stock calculator?
  • What other financial metrics can be calculated using stock calculators?
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Conclusion: Make Smarter Decisions with a Stock Calculator

By using a stock calculator, South Africans can make informed investment decisions and track the performance of their stock holdings. Whether you are a novice investor or a seasoned trader, having access to this tool can help you navigate the complexities of the stock market with confidence. Explore the free online tools mentioned above and start optimizing your investment strategy today!