incremental-var

Hi @David Harper CFA FRM, I wanted to start a new topic which has not yet been discussed in great detail. Jorion mentions on page 170 that a particular new trade involves a position in one risk factor (asset). The portfolio value changes from the old value of W to a new value of W(p+a) = W +...

Hi I'm somewhat confused between Marginal and Incremental VAR. Am i right to say that the only difference between the two is that Incremental VAR is calculated precisely from a total revaluation of the portfolio and that Marginal VAR is just an estimation of the change in VAR? Regards