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Intrinsic Value - This is the amount that an option is in the money.
In our example, FAL has an intrinsic value of $10 and FAI has an
intrinsic value of $5 (given that Ford's stock is at $50). The other
options in our example have no intrinsic values.
Time Value - Unlike the intrinsic value, time value is the intangible
part of an option's price. The time value is the price of the option over
and above the intrinsic value based on the amount of time left until
expiration. Let's look at this using our example. Ford's stock is trading
at $50 and FAJ, strike price $50 expiring in 20 days, is selling for $2.
How would you think this price would compare to that of FBJ
(February option), strike price $50, expiring in 50 days? Both options
are at the money but FAJ has 20 days to go while FBJ has 50 days. You
probably guessed that FBJ would be more expensive as it gives the stock
more time to appreciate (you are locked in for the $50 exercise price for
50 days rather than 20 days). And you would be correct. FBJ may in fact
sell for $3 rather than $2, which is FAJ's price. The extra $1 you pay for
FBJ options is for the luxury of gaining the extra 30 days. This is called
the time value. The further away the expiration date of an option is
from today, the more expensive that option is relative to its shorter-term
counterparts. The risk of loss with a long-term option is less than
that of a short-term option, hence you pay more for the long-term
option.
As you get closer to the expiration day, the time value begins to
decrease, following a downward curve format known as time decay.
And the closer you get to the expiration date the faster the time value
declines, sort of an accelerated decline. If you compare the time values
of an option at eight months and then at six months to expiration
(given a constant stock price), you may notice a small decline in the
time value. But if you make the comparison for the same option at three
days and then one day to expiration, you would notice that the time …
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