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60202
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Joined: August 27th, 2012, 11:34 pm

Risks of box spreads?

October 21st, 2014, 4:33 pm

Hey,Read heard that there are substantial risks with trading box spreads on American Options...especially when it comes to assignment/delivery/exercise.Can anybody give me a run down as to where the risks come from? For example: If you sell a $20/$21 box spread while the underlying is trading at $10. Then the other guy early exercises the put. What kind of risks are there?Thanks!
Last edited by 60202 on October 20th, 2014, 10:00 pm, edited 1 time in total.
 
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Orbit
Posts: 36
Joined: October 14th, 2003, 5:34 pm

Risks of box spreads?

October 21st, 2014, 5:24 pm

A box is just a zero coupon bond. If someone assigns you on a short leg, just replace the delta's, and/or exercise a long leg (when appropriate).
 
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Orbit
Posts: 36
Joined: October 14th, 2003, 5:34 pm

Risks of box spreads?

October 21st, 2014, 5:26 pm

BTW I love zip code 60202. Especially the Rose Garden.
 
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arkestra
Posts: 2
Joined: November 25th, 2005, 9:59 am

Risks of box spreads?

November 9th, 2014, 11:23 am

Since a box is just a zero coupon bond you need to be certain you are using the correct discounting level.Equity desks are not always great on (collateral driven) discounting.If someone sophisticated in discounting offers you a box trade in size then be very sure you know what you are doing.