Stock Return Calculator
Total Investment
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Price Return (excl. dividends)
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0%
Total Return (incl. dividends)
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0%
Understanding Stock Returns
Stock returns measure the profit or loss from a stock investment over a given period. The simplest metric is price return, which compares the buy and sell prices. However, total return provides a more complete picture by also including dividends, which are cash payments companies distribute to shareholders from their profits. Historically, dividends have contributed a substantial portion of the total return from stock market investments.
This calculator computes both price return (capital gains only) and total return (including dividends). When you provide buy and sell dates, it also calculates the annualized return using the compound annual growth rate (CAGR) formula. Annualized returns allow you to compare investments of different durations on equal footing. For example, a 100% return over 10 years is equivalent to roughly 7.2% annualized, while a 20% return over 1 year is a 20% annualized return.
When evaluating stock performance, consider that past returns do not guarantee future results. Transaction costs, taxes on capital gains and dividends, and inflation all reduce real returns. It is also important to compare returns against a benchmark index to determine whether a stock outperformed or underperformed the broader market during the same period.
Frequently Asked Questions
How do you calculate stock returns?
Stock return is calculated as (Sell Price - Buy Price) x Number of Shares. The percentage return is ((Sell Price - Buy Price) / Buy Price) x 100. For total return including dividends, add the total dividends received to the capital gain.
What is the difference between total return and price return?
Price return only considers the change in stock price. Total return includes both price change and dividends received. Total return is the more comprehensive measure as dividends historically account for a significant portion of stock market returns.
What are annualized returns and why do they matter?
Annualized return converts a total return over any time period into an equivalent yearly rate, making it possible to fairly compare investments held for different lengths of time. The formula uses the CAGR method: ((1 + total return) ^ (1 / years)) - 1.
How do dividends impact stock returns?
Dividends can significantly boost total returns. Historically, dividends have contributed about 30-40% of the total return of the S&P 500. Reinvesting dividends compounds returns further over time.