## Comment on Greek Interactions

Hi Karthik, kindly answer the following questions.

1) If the volatility increases, (i) delta increases (or) (ii) rate of change of delta ?

2) Isnt the rate of change of delta = gamma ?? Then, if the volatility increases gamma increases ?

3) The above graph (delta vs implied volatility) shows that, for a deep ITM call/put options with the increase in volatility, the delta plotted is 0.9/-0.9 (approx) i.e not 1/-1. How can delta at high volatilty (40%) be less than delta at low volatilty (20%) ??

4) vega talks about change in premium w.r.t change in volatility. Does vega (volatilty) effects delta as well a part from premium. Please clarify, vega vs delta;