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Use this calculator to determine the annual return of a known initial amount, a stream of deposits, plus a known final future value.
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Definitions
- Initial deposit amount
- Amount of your initial deposit, or account balance, as of the present value date.
- Future value
- Total future value of the stream of payments, plus the future value any initial deposit amount. This includes the compounding of interest at the calculated rate on an annual basis.
- Start date
- Date to calculate the present value. We assume that this is also the date of the first periodic payment if deposits are made at the beginning of a period.
- End date
- Date your investment or account will be worth the entered future value.
- Periodic deposit (withdrawal)
- The amount that you plan on adding to this savings or investment each period.
- Deposit frequency
- The frequency of your periodic deposits. Periods options include weekly, bi-weekly, monthly, quarterly and semi-annually and annually. You can choose to make deposits at the beginning or the end of each period.
- Calculated Internal Rate of Return (IRR)
- The calculated rate of return for this investment or account. The actual rate of return is largely dependent on the type of investments you select. For example, from December 1999 to December 2009, the average annual compounded rate of return for the S&P 500 was -0.6%, including reinvestment of dividends. From January 1970 to December 2009, the average annual compounded rate of return for the S&P 500, including reinvestment of dividends, was approximately 10.1% (source: www.standardandpoors.com). Since 1970, the highest 12-month return was 61% (June 1982 through June 1983). The lowest 12-month return was -43% (March 2008 to March 2009). Savings accounts at a bank may pay as little as 1% or less but carry significantly lower risk of loss of principal balances.
It is important to remember that these scenarios are hypothetical and that future rates of return can't be predicted with certainty and that investments that pay higher rates of return are generally subject to higher risk and volatility. The actual rate of return on investments can vary widely over time, especially for long-term investments. This includes the potential loss of principal on your investment. It is not possible to invest directly in an index and the compounded rate of return noted above does not reflect sales charges and other fees that funds and/or investment companies may charge.
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