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At The Money Forward Relationships 4
Issued on September 29 2010 par Strategies Options

Time, volatility and ATMF option value
The whole derivative pricing theory is based on a simple relationship between time and volatility.

"The farthest the expiry, the highest the uncertainty".

It leads to :" the longer you hold an asset, the highest the possible variation of that asset".
That is,


A twice higher volatility is the same as a quadruple maturity.
Halving the volatility, is like decreasing the maturity by a factor 4.




Halving the volatility


Decreasing the maturity by a factor 4




Next : Time And Volatility Equivalence
Previous : At The Money Forward Relationships 3

Relationships Between Option Sensitivities - INDEXRelationships Between Option Sensitivities - CHAPTER I
Relationships Between Option Sensitivities - CHAPTER II
Relationships Between Option Sensitivities - CHAPTER III

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At The Money Forward Relationships 4
Time, volatility and ATMF option value