I'm a little confused: is *MINUS* or *PLUS* appropriate?
VaR_opt = [VaR_stock x Delta] *MINUS* [0.5 x VaR_stock^2 x gamma]
(This was posted by mh2452 and I know that I have this equation in my notes somewhere)
or
VaR_opt = [VaR_stock x Delta] *PLUS* [0.5 x VaR_stock^2 x gamma]
(Which is how...
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