Conversions & Reversals- How you can benefit

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  #1  
Old 3rd September 2007, 01:37 AM
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srikanth_kandalam is on a distinguished road
Default Conversions & Reversals- How you can benefit



Conversions and Reversals
I am paraphrasing from Charles Cottle’s seminal work- in explaining the nitty gritty. The most important thing is that with options you need to keep changing with the market- there are some basics to be covered. More details will be in his book titled Woulda, Coulda Shoulda- Not sure if it is a free download – form www.Cashflowheaven.Com- but you can try!
Conversion

A conversion is Nothing but A long underlying, A long Put and A short Call- ALL at the same strike price and at the same expiration.

If you designate Underlying as U , a Put as P and a Call as C
Then a Conversion is +U + P – C ( same expiration and strike price)

Reversal
A reversal us exact opposite of the Conversion
I.e. a Reversal is -U-P +C ( Same expiration and strike price)

If 2 parties end up trading this spread with each other at “fair Value” There will be no profit or loss.

So if this happens at fair Value we will have U +P –C = 0
Or -U – P + C = 0

This leads us to the Put Call parity- and I would urge you to read it up. These may sound very esoteric- but Remember the Acronym CUP

If things are traded at fair Value- and this happens in a liquid market ( LOL!)
C= U +P ( same strike and expiration)

So if you buy a call - it is the same as being long the underlying and a long put ( at same strike as the call, same expiration). This is very useful- as now you can look at your situation in different Equivalent positions!

Imagine a triangle with C, U and P at the vertices. ( Same strike , same expiration)
So if you are long a PUT – it is exactly the same as Being Long a call at the same strike ( same expiration) and short the Underlying.
So these are the basics

C = U +P
P= C –U
U= C –P

Note options are at the same strike and expiration. Understand this, and then you will form a good idea of how to change and adapt your current position.
Another important discussion is called the "box"- and I will post a separate article.

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  #2  
Old 13th September 2007, 01:33 PM
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knarendra is on a distinguished road
Default Re: Conversions & Reversals- How you can benefit

Dear friends,
Pl.explain is it correct or not?
regards,
naren

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