1. Stock options (also stock rights and stock warrants) give their holders the right to
exercise their option to purchase common stock, typically at a specified exercise
price. The increase in shares would reduce EPS.
a. When calculating diluted EPS, we pretend the stock options had been
exercised at the beginning of the period (or at the time the options are issued,
if later).
b. We also assume the cash proceeds from the assumed sale were used to buy
back (as treasury stock) as many of those shares as could be acquired at the
average market price of the shares during the period.
c. If the options haven’t vested, “proceeds” also include any compensation not
yet expensed.
d. If the options are not incentive options, “proceeds” also include any “excess
tax benefits.”
e. Restricted stock is potentially dilutive and also is included in diluted EPS by
the treasury stock method.
C. Convertible Securities
1. For convertible securities, we pretend for the purpose of calculating diluted EPS
that the conversion already has occurred.
a. To include convertible bonds in the calculation of diluted EPS, we pretend the
conversion occurred at the beginning of the period (or at the time the
convertible security is issued, if later).
i. The denominator of the EPS fraction is adjusted for the additional
common shares assumed.
ii. The numerator is increased by the interest (after-tax) that would have
been avoided in the event of conversion.
b. To include convertible preferred stock in the calculation of diluted EPS, we
pretend the conversion occurred at the beginning of the period (or at the time
the convertible security is issued, if later).
i. The denominator of the EPS fraction is adjusted for the additional
common shares assumed.
ii. The numerator is not reduced by the preferred dividends because they
would have been avoided in the event of conversion.
IV. Antidilutive Securities
A. If the effect of the assumed conversion or exercise of potential common shares would be
to increase, rather than decrease, EPS, we consider them “antidilutive securities.”
Antidilutive securities are ignored when calculating both basic and diluted EPS.
V. Additional EPS Issues
A. Contingently Issuable Shares
1. Contingently issuable shares also are potential common shares.
a. These are considered outstanding in the computation of diluted EPS if the
conditions for their issuance currently are met.
b. For instance, if 50,000 shares will be issued next year if the market price of
common shares next year is at least $35 and the market price currently is $36,
the 50,000 additional shares would be simply added to the denominator.
B. Financial Statement Presentation of Earnings Per Share Data
Instructors Resource Manual 19- 5
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