Section 103 Unit 6 Flashcards
Simple Rate of Return
A simple rate of return for an investment is computed by dividing its total return (income earned plus capital appreciation divided by the original investment) by the number of years that the investor has held the asset.
E X A M P L E Jacob owned an investment that generated a total return of 60% over the past five years. Jacob’s simple rate of return is 12% (60% ÷ 5).
Compound Rate of Return
The compound rate of return computation for an investment assumes that all interim proceeds, such as interest and repayment of principal, are reinvested (thereby generating additional return) over the holding period.
E X A M P L E Melissa deposits $1,000 in a one-year CD that pays an annual interest rate of 4% compounded quarterly. You have determined that, at the end of one year, Melissa will have a total of $1,040.60 ($1,000 +/−PV; 1 × 4 N; 4 ÷ 4 I/YR; solve for FV). Therefore, Melissa’s compound rate of return is 4.06% ($1,000 +/−PV; $1,040.60 FV; 1 N; solve for I/YR).
Arithmetic Mean
The arithmetic mean is calculated by dividing the sum of the periodic returns by the total number of periods being evaluated.
Year 1: 15.20% Year 2: 9.10% Year 3: 6.50% Year 4: 18.30% Year 5: 16.80% 65.90% 65.90%/5=13.18 Arithmetic mean is the same as the average, or mean, return we used in the last unit when we computed various measures of investment risk. The arithmetic mean is a noncompounded return; it does not assume reinvestment of returns.
Geometric Mean
The geometric mean, unlike the arithmetic mean, assumes compounding of returns.
E X A M P L E Continuing with the returns in the previous example, the geometric mean of 13.09% may be computed as follows:
PV = –$1 (just part of the equation)
FV = $1 (1 + 0.152)(1 + 0.091)(1 + 0.065)(1 + 0.183)(1 + 0.168) = $1.8495
n = 5
Solve for i = 13.0865 = 13.09%
geometric mean will always be lower than the arithmetic mean, except when the returns for all periods are equal, in which case the geometric and arithmetic means will be equal.
Time-Weighted
A time-weighted return is determined without regard to any subsequent cash flows of the investor. As such, it is a measure of the performance of the investment over a period of time (and not of the investor as in a dollar-weighted approach). Most returns reported on mutual funds are time-weighted because the portfolio manager does not have any control over the future cash flows to the fund with respect to investor dollars.
CF0 = –$50 (value of the stock at the beginning of the investment period)
CF1 = $4 (dividend paid on stock at end of year 1)
CF2 = $75 (value of stock at the end of year 2)
Solve for IRR = 26.54%
Dollar-Weighted Return
A dollar-weighted return considers subsequent contributions to and withdrawals from an investment, including sales of, for example, stock. As a result, the dollar-weighted approach focuses on the return of the investor (not the investment, as in the time-weighted approach) over a period of time, and usually results in a different rate of return than does the time-weighted method.
CF0 = –$50 (value of the stock at the beginning of the investment period)
CF1 = $4 – $65 = –$61 (dividend less purchase of additional stock)
CF2 = $75 × 2 = $150 (value of stock holdings at the end of year 2)
Solve for IRR = 22.63%
Nominal Rate of Return
Is simply its stated rate of return for a given period without accounting for inflation. Also reflects the before-tax rate of return. NO FORMULA NECCESSARY IT IS THE EXPTECTED RATE OF RETURN
Real Rate of Return
The real rate of return takes inflation into account; that is why the real rate of return is sometimes called the inflation-adjusted rate of return.
E X A M P L E Renee owns a corporate bond with a coupon rate of 6.00%. If the annual inflation rate is 3.5%, her real rate of return on the bond is 2.42%, calculated as follows:
(((1+0.06)/(1+0.035))-1)x 100 = 2.42 (rounded)
After-Tax Inflation-Adjusted Rate of Return
A two-step process may be used to integrate the effect of taxes and inflation on an investment’s rate of return.
1.
Compute the after-tax rate of return by using the formula: r after-tax = r nominal × (1 – investor’s marginal tax rate)
If the investor resides in a state that imposes state income taxes, the marginal tax rate should also reflect state taxes (in addition to federal taxes).
2.
Multiply the nominal rate by (1– investor’s marginal tax rate) and use this product as the numerator in the inflation-adjusted rate of return formula and derive the after-tax, inflation-adjusted amount.
Annual Percentage Rate (APR)
The nominal annual percentage rate (APR) is the yearly cost of funds expressed as a percentage. However, the nominal APR does not take compounding into consideration. If a lender advertises a 1.25% monthly rate, the APR is 15% (1.25% × 12).
Effective Annual Rate (EAR)
The effective annual rate (EAR) is the annual percentage rate taking into consideration the impact of compounding. This calculation provides the annual rate of interest of an investment or debt when compounding occurs more than once per year.
effective annual rate = [1 + (i ÷ n)]/\n – 1
Total Return
Total return may be thought of as the sum of:
The capital appreciation/depreciation on the underlying principal of the investment; and
Any income or earnings generated from that investment.
SEC Yield
The SEC yield is a standardized calculation that the SEC requires mutual funds to report and allows investors to compare yields among various investments. This yield is based on the most recent 30-day period covered by the fund’s SEC filings and represents the interest and dividends earned during that particular period, after expenses have been deducted. Mutual funds are required to disclose this rate in their prospectuses.
Holding Period Rate of Return (HPR)
The holding period rate of return (HPR) (sometimes referred to as the single period return) is simply the total return of an investment for the given period over which the investment is owned. However, the measurement has a major weakness because it fails to consider the timing of when the cash flows actually occurred. As a result, if the holding period of the investment is more than one year, the HPR overstates the true return of the investment on an annual basis. Conversely, if the investment’s holding period is less than one year, the HPR understates the true return.
The Formula for the Holding Period Return (Single Period Return)
HPR = (ending value (EV) – beginning value (BV) ± cash flows (CF)) / beginning value (BV)