VIX - 14
For example on Wednesday (one day left for expiry ) on 12:30 PM
18500 CE - ₹ 5
If most of the variable are same & VIX is doubled
would it be like this ?
VIX - 28
Wednesday (one day left for expiry ) on 12:30 PM
18500 CE - ₹10
Have you considered the IV for the selected strike price?
I guess You can back back calculate using black scholes. Not sure if price would double as effect of Theta is too high on expiry day, am guessing this options is OTM. But It could due to Vega