Lesson 3: Risk and Return Flashcards

1
Q

the time period an investment is held
or is the period in which you own an investment

A

Holding Period

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2
Q

the return for the period of investment

A

Holding Period Return

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3
Q

Formula of HPR

A

HPR = ending value of investment/ beginning value of investment

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4
Q

If you commit to invest Php 500 at the beginning of the year and get back Php 550 at the end of the year, what is your return for the period?

A

HPR = 550/500
= 1.10

HPY = HPR - 1
=1.10 -1
= 0.10 or 10%

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5
Q

Percentage Return

A

Holding Period Yield

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6
Q

Formula of Annual HPR

A

Annual HPR = HPR^1/n

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7
Q

Formula of Holding Period Yield

A

HPY = HPR - 1

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8
Q

Consider an investment that cost Php 1,000 and is worth Php 800 after a year. Calculate for the HPR and the HPY.

A

HPR = Php 800/Php 1,000
= 0.8

Annual HPR = 0.8^1/1
= 0.8

Annual HPY = 0.8 - 1
= -0.20 / -20%

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9
Q

Consider an investment that cost Php 2, 500 and is worth Php 3,500 after being held for 2 years. Calculate for the HPR and the HPY.

A

HPR = Php 3,500/Php 2,500
= 1.40

Annual HPR = 1.4^1/2
= 1.1832

Annual HPY = 1.1832 - 1
= 0.1832 or 18.32%

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10
Q

You have an investment of Php 1,000 held for 6 months and this investment earned Php 1,120. Calculate for the HPR and the HPY.

A

HPR = Php 1,120/Php 1,000
= 1.12

Annual HPR = 1.12 1/0.5
= 1.2554

Annual HPY = 1.2554 - 1
= 0.2554 / 25.54%

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11
Q

Consider an investment that cost Php 1,000 and is worth Php 750 after being held for 2 years. Calculate for the HPR and the HPY.

A

HPR = Php 750.00/Php 1,000
= 0.75

Annual HPR = 0.75^1/2
= 0.8660

Annual HPY = 0.8660 - 1
= -0.1339 or -13.4%

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12
Q

Mean Historical Rate of Return (Single Investment)

A
  1. Arithmetic Mean
  2. Geometric Mean
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13
Q

the sum of HPYs divided by the number of years

A

Arithmetic Mean

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14
Q

the nth root of the product of the HPRs for the number of years minus one

A

Geometric Mean

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15
Q

Formula of Arithmetic Mean

A

AM = Sum of HPY / n

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16
Q

Formula of Geometric Mean

A

={[(HPR1)(HPR2)…(HPRn)]^1/n} - 1

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17
Q

Find AM and GM

Year 1:
Beginning Value = 100
Ending Value = 115
HPR = 1.15
HPY = 0.15

Year 2:
Beginning Value = 115
Ending Value = 138
HPR = 1.2
HPY = 0.20

Year 3:
Beginning Value = 138
Ending Value = 110.4
HPR = .8
HPY = -0.20

A

AM = [(0.15)+(0.20)+(-0.20)] / 3
= 0.15 / 3
= 0.05 = 5%

GM = [(1.15) X (1.20) X (0.80)] 1/3 - 1
= (1.04) 1/3 - 1
= 1.03353- 1
= 0.03353 = 3.353%

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18
Q

Year 1:
Beginning Value = 50
Ending Value = 110
HPR = 2
HPY = 1

Year 2:
Beginning Value = 100
Ending Value = 50
HPR = .50
HPY = -.50

A

AM = [(1) + (-0.50] / 2
= 0.50 / 2
= 0.25 = 25%

GM = [(2) X (0.50)] 1/2 - 1
= (1) 1/2 - 1
= 1 - 1
= 0%

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19
Q

Measured as the weighted average of the HPYs for the individual investments in the portfolio

A

Mean Historical Rate of Return (Portfolio)

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20
Q

Weights used in computing are the relative beginning market values for each investment (dollar-weighted or value weighted)

A

Mean Historical Rate of Return (Portfolio)

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21
Q

Expectation from an investment

A

Expected Rate of Return

22
Q

Point of estimate

A

Expected Rate of Return

23
Q

Statistical measure of return

A

Expected Rate of Return

24
Q

formula of ERR

A

~ ERR = ∑ (Probability of Return) X ( Possible return)

~ E(Ri) = [P1 R 1 + P 2R 2 + P3 R3 + …+P nRn]

~ E(Ri ) = ∑ (Pi)( Ri)

25
Q

An investor is absolutely certain of a return of 20%.

A

Expected Rate of Return = ∑ (1) X ( 0.20)
= 0.20 / 20%

26
Q

Economic Conditions:

Strong Economy
Probability = 0.15
Rate of Return = 0.20

Weak Economy
Probability = 0.15
Rate of Return = -0.20

No Change
Probability = 0.70
Rate of Return = 0.10

A

E(Ri) = {(0.15)(0.20)} + {(0.15)(-0.20)} + {(0.70)(0.10)}
= (0.03) + (-0.03) + (0.07)
= 0.07

27
Q

statistical measurement of the spread between numbers in a data

A

Variance

28
Q

determine the volatility and market security

A

Variance

29
Q

– the square root of the variance

A

Standard Deviation

30
Q
  • determines the consistency of the investment’s
    return over a period of time
A

Standard Deviation

31
Q

Risk of Expected Rates of Return

A
  1. Variance
  2. Standard Deviation
32
Q

Formula of Variance

A

Variance = ∑(Probability)x (Possible return – Expected Return)^2

Variance = =[(P1)(PR1 -ER)2 + (P2)(PR2 -ER)2 + …….(Pn)(PRn -ER)2 ]

33
Q

Find the variance

An investor is absolutely certain of a return of 20%. Expected Rate of Return = ∑ (1) X ( 0.20) = 20%

A

Variance = 1 x (0.20 – 0.20)
= 1(0) = 0

34
Q

Find the Variance

Economic Conditions:

Strong Economy
Probability = 0.15
Rate of Return = 0.20

Weak Economy
Probability = 0.15
Rate of Return = -0.20

No Change
Probability = 0.70
Rate of Return = 0.10

ERR = 7%

A

=[(0.15)(0.20-0.07)2 + (0.15)(-0.20-0.07)2 +
(0.70)(0.10-0.07)2 }
={0.010935+ 0.002535 + 0.00063}
= 0.0141

35
Q

Find the Standard Deviation

Economic Conditions:

Strong Economy
Probability = 0.15
Rate of Return = 0.20

Weak Economy
Probability = 0.15
Rate of Return = -0.20

No Change
Probability = 0.70
Rate of Return = 0.10

ERR = 7%

A

o^2 = 0.0141

σ = Square root 0.0141

σ = 0.11874 or 11.87%

36
Q

Formula of Coefficient Of Variation

A

Coefficient of Variation =Standard Deviation of Returns / Expected Rate of Return

37
Q

Find the Coefficient of Variance

Economic Conditions:

Strong Economy
Probability = 0.15
Rate of Return = 0.20

Weak Economy
Probability = 0.15
Rate of Return = -0.20

No Change
Probability = 0.70
Rate of Return = 0.10

ERR = 7%

A

CV = 0.11874 ÷ 0.07

    = 1.696
38
Q

This is the minimum rate of return that you should accept from an investment in order to compensate you for deferring consumption.

A

Required Rates of Return

39
Q

Components of Required Rates of Return

A

> time value of money during the investment period
Expected rate of inflation
Risk involved

40
Q

published rate and the growth rate of your money

A

Nominal Interest Rate

41
Q

growth rate of your purchasing power.

A

Real Interest Rate

42
Q

This is the nominal rate reduced by the the loss of the purchasing power resulting from inflation.

A

Real Interest Rate

43
Q

Formula of Approximated Real Interest Rate

A

R ≈ 𝑛𝑟 − 𝑖

44
Q

Formula of Exact Real Rate

A

RR = (nr-i) / (1+i)

45
Q

The nominal interest rate on a 1-year time deposit is at 18% and inflation rate is expected to be 15% over the coming year.

A

Approximated real rate
R ≈ 𝑛𝑟 − 𝑖
≈ 0.18 – 0.15 = 0.03 or 3%

Exact real rate
rr = (nr-i) / (1+i)
= (0.18 – 0.15) / (1.15)
= 0.03 / 1.15 = 2.60%

46
Q

difference between the holding period return and risk- free rate

A

Risk Premium

47
Q

rate you earn by investing in risk-free instruments

A

Risk-free rate

48
Q

difference in any particular period between actual rate of return on risky assets and actual risk-free rate

A

Excess return

49
Q

Major Sources of Risk

A
  • Business Risk
  • Financial Risk
  • Liquidity risk
  • Exchange rate risk
  • Political Risk
50
Q

Formula of Risk Premium

A

= f(business risk, financial risk, liquidity risk, exchange rate risk, political risk)