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Risk-Reversal : A First Attempt
Issued on April 01 2011 par Strategies-options.com

This is one of the most flexible strategies using options..
It's obvious that a long call or a long put shows how asymmetrical risks and payoffs are.




I - Spot position substitution using options.

A long call struck at K with maturity T and interest rate r plus a short put struck at K with maturity T is the same as if one took a long position on the forward at the price K

A short call struck at K with maturity T and interest rate r plus a long put struck at K with maturity T is the same as if one took a short position on the forward at the price K.

Graphs
A long 1 year 100 call 1/ short 1 year 100 put.

At time t



Across time


The little loss correponds to the cost of carry of that forward contract.

A long 1 year 40 call 1/ short 1 year 40 put.



Same payoffs.




II - Go ahead with that principle .

Why don't we take a look at those positions, this time with the same maturity but different strikes.

A long 1 year 110 call 1/ short 1 year 90 put :





It looks like as if it was a future contract most of the time. As the maturity vanishes, the gap between risk reversals and future becomes wider.




Next : Risk-Reversal
Previous : Strangle

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