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rweinsh
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Joined: May 12th, 2011, 3:53 pm

option-underlying correlation

July 3rd, 2011, 7:36 am

Does the notion like "correlation between option and its underlying" or "correlation between option and option" exist?If yes,where could I learn about it?
 
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chocolatemoney
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option-underlying correlation

July 4th, 2011, 6:32 am

Linear correlation might not be the proper tool due to option non-linearity.
 
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eh
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Joined: March 2nd, 2010, 9:26 am

option-underlying correlation

July 4th, 2011, 12:05 pm

Search for "the greeks", especially "delta".
 
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DavidJN
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Joined: July 14th, 2002, 3:00 am

option-underlying correlation

July 4th, 2011, 4:12 pm

As already mentioned, the relationship, while obviously positive, is non-linear due to the convexity of option payoffs.Robert Merton wrote about the relationship between option and underlying returns in his characteristically thorough fashion some time ago.It might be these papers:Merton, Robert C., Myron S. Scholes, and Matthew L. Gladstein. "The Returns and Risk of Alternative Put Option Portfolio Investment Strategies." Journal of Business 55 (January 1982): 183-242. Merton, Robert C., Myron S. Scholes, and Matthew L. Gladstein. "The Returns and Risk of Alternative Call Option Portfolio Investment Strategies." Journal of Business 51 (April 1978): 183-242.
 
frolloos
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option-underlying correlation

July 4th, 2011, 5:36 pm

as DavidJN wrote the relationship is positive but non-linear, i.e. the 'beta' is convex (because delta of option changes). the term used to describe relationship between option and underlying is option 'elasticity'. collector mentions it in know your weapon part I.