Chapter 04 · Section 4.1

Excess Margin Day 2

This is the summary of what happened up to the end of day 2.


                                       Margin              Closing Prices
short 3 covered Colgate Nov 35 calls   $   0    Colgate Stock    $37.00
short 3 uncov. Colgate Nov 35 calls    $ 3,345  Colgate Nov 35 C $3.75 
excess margin:                         $ 4,055

TINA'S TRANSACTIONS ON DAY 2:Bought 5 Unisys 75 puts at 2.50

short 3 covered Colgate Nov 35 calls  $     0  Colgate Stock         $37.50    
short 3 uncov. Colgate  Nov 35 calls  $ 3,330  Unisys Stock          $75.00    
long  5 Unisys Nov 75 puts            $     0  Colgate Nov 35 Calls  $3.60     
excess margin:                        $ .....  Unisys Nov 75 Puts    $1.75

What is the excess margin at the end of the second day?

c) -2805
No. The margin requirement on the uncovered Colgate calls must be recalculated. The new margin requirement for her short position in Colgate calls is $3,330 = (20% of $3,750 + 100% of $360) * 3.
d) -4040

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