## Comment on Greek Interactions

Hi Karthik,

Could you explain about the below points those are getting confused and taken from Volatility Cone excel file?

1. xi-x1

2. (xi-x1)^2

3. =SQRT(1/B$5*SUM(OFFSET(Sheet1!$E$2,MATCH(Sheet1!$N5,Sheet1!$A$2:$A$504,1)-1,0,-B$5)))*SQRT(252)

Thanks & Regards,

Naidu.