Common Stock Valuation

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Theory of Stock Valuation

 Same theory as bond valuation

Find PV of future cash flows

Use investor’s required rate of return as the discount rate in finding PV

Cash Flows from Owning Stock

 Dividends

 Capital gain (loss) from selling at a higher (lower) price than you paid for the stock

Difficulties in Valuing Stock

 1) Future cash flows not known

 2) Stock has no maturity - infinite life of corporation

 3) No way to easily observe the rate of return that the market requires

Stock Valuation Symbols

 D = dividend

 Subscript tells when dividend is expected to be paid/received

 P = price

Subscript tells when price is expected to be paid/received

K c

= investor’s required rate of return

Example 1

 D

1

= $1.00

 D

2

= $1.25

 D

3

= $1.50

 P

3

= $50

 If you require a 10% rate of return, what is the most you will pay for this stock?

Using Financial Calculator

P/Y C/Y N I/Y PV PMT FV

1

1

1

1

1

1

1

1

3

3

1

2

10

10

10

10

-.9090

0

-1.033

0

-1.127

0

-37.57

0

1.00

1.25

1.50

50.00

Sum PVs to get -40.63

$40.63 is max price you are willing to pay for this stock if you require a 10% rate of return.

Pay more than $40.63 → Return < 10%

Pay less than $40.63 → Return > 10%

BUT…future stock cash flows are not known with certainty

 Future dividends aren’t known with certainty

 Dividends may be estimated, but it will only be an estimate

 Future selling price isn’t known with certainty

 How to overcome these problems?

Future Selling Price

 Can prove mathematically that it doesn’t matter that we don’t know what we can sell a stock for in the future

 Need to use mathematical formula for finding PV to prove this point

Mathematical Formula for

Finding PV

PV = FV x (1+i) -n

 PV = 1.00(1.10) -1 + 1.25(1.10) -2 +

1.50(1.10) -3 + 50(1.10) -3

 P

0

= $40.63 (same answer as we got using a financial calculator)

Theoretical Determination of

Future Selling Price

 The future selling price (P n

) is based on what the next investor will pay for the stock.

 The next investor is valuing the stock based on the present value of his/her expected future dividends and future selling price.

 The next investor follows the same process, etc., etc., etc.

 Since stock never matures, the actual determination of the next selling price can be put off indefinitely.

 If the actual determination of the future selling price is pushed far enough out into the future, its present value will eventually approach zero.

 With PV of future selling price dropping off to zero, value of stock becomes the PV of its dividend stream.

 The question now becomes, how can you find the PV of an unending stream of dividends?

 Can do it if you make assumptions about how dividends grow from year to year.

Constant Dividend (No Growth)

P

0

= D p

/K p

 P

0

= Intrinsic value = Price today

 D p

= Preferred Dividend (fixed amount, doesn’t change)

 K p

= Required rate of return on P/S

 Preferred stock is an example where the dividend is constant

Example 2

 If you require a 12% rate of return, what is the maximum price you will pay for a share of preferred stock that pays a

$1.25 annual dividend?

 P

0

= $1.25/.12 = $10.42

Dividends Growing at a Constant

Growth Rate

P

0

= D

1

/(K c

- g)

 P

0

= Intrinsic value = Price today

 D

1

= Dividend expected 1 year from now

 D

1

= Last dividend paid x (1 + g)

 K c

= Required rate of return

 g = Constant annual dividend growth rate

Example 3

 How much would you pay for a share of common stock if the last dividend paid was $2.00 per share, dividends are expected to grow at a constant annual rate of 5%, and you require a 10% rate of return?

 P

0

= ($2 x 1.05)/(.10 - .05) = $42

What if a company isn’t paying dividends?

 Just because a company is not currently paying dividends doesn’t mean that they never plan to.

 Estimate when first dividend will be paid and at what rate dividends will grow.

 Find price for year prior to first dividend.

 Discount future price back to present.

Example 4

 You estimate that a company that is not currently paying dividends will pay a $5 dividend per share at the end of 5 years and that dividends will grow at a constant annual rate of 8% thereafter. If you require a 12% rate of return, what is the maximum price you will pay for the stock today?

 P

4

= D

5

/K c

-g

P

4

= $5/(.12-.08) = $125

P

0

= P

4

(1 + K c

) -4

P

0

= $125(1+.12) -4 = $79.44 maximum price you are willing to pay today

Valuing Non-public Corporations

 Twitter article

 Estimate total revenue

 # users = 250 M by 2013

 Revenue per user = $2 by 2013

 250 M * $2 = $500 M total rev by 2013

 Borrow ratios from comparable firm

Google’s profit margin = .27 and

Google’s PE = 20

 .27 * $500 M = $135 M profit

 $135 * 20 = $2.7 B total value (as measured by price * # shares)

 Discount future value back to present

 Use 20% as appropriate rate for small, risky, high growth company

 N = 4; I/Y = 20; PMT = 0; FV = $2.7B

 PV = $1.3 Billion estimated value for

Twitter

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