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4 Part I: Basic Properties of Stodc Options
thus, each option has an expiration date. Throughout the book, the term "options" is
always understood to mean listed options, that is, options traded on national option
exchanges where a secondary market exists. Unless specifically mentioned, over-the­
counter options are not included in any discussion.
DESCRIBING OPTIONS
Four specifications uniquely describe any option contract:
1. the type (put or call),
2. the underlying stock name,
3. the expiration date, and
4. the striking price.
As an example, an option referred to as an "XYZ July 50 call" is an option to buy (a
call) 100 shares (normally) of the underlying XYZ stock for $50 per share. The option
expires in July. The price of a listed option is quo!_ed on a per-share basis, regardless
of how many shares of stock can be bought with the option. Thus, if the price of the
XYZ July 50 call is quoted at $5, buying the option would ordinarily cost $500 ($5 x
100 shares), plus commissions.
THE VALUE OF OPTIONS
An option is a "wasting" asset; that is, it has only an initial value that declines (or
"wastes" away) as time passes. It may even expire worthless, or the holder may have
to exercise it in order to recover some value before expiration. Of course, the holder
may sell the option in the listed option market before expiration.
An option is also a security by itself, but it is a derivative security. The option is
irrevocably linked to the underlying stock; its price fluctuates as the price of the
underlying stock rises or falls. Splits and stock dividends in the underlying stock
affect the terms of listed options, although cash dividends do not. The holder of a call
does not receive any cash dividends paid by the underlying stock.
STANDARDIZATION
The listed option exchanges have standardized the terms of option contracts. The
terms of an option constitute the collective name that includes all of the four descrip­
tive specifications. While the type (put or call) and the underlying stock are self-evi­
dent and essentially standardized, the striking price and expiration date require more
explanation.