Serving the Quantitative Finance Community

 
User avatar
skullx
Topic Author
Posts: 0
Joined: January 27th, 2012, 5:43 pm

Vanilla options IV guess

September 18th, 2013, 7:25 am

Hello, comrades!As we know it's quite easy to make an initial implied volatility guess for ATM option through approximate price formula (0.4*sqrt(t)*vol). But how can I adopt this to use with non-ATM strikes?
 
User avatar
acastaldo
Posts: 14
Joined: October 11th, 2002, 11:24 pm

Vanilla options IV guess

September 18th, 2013, 9:45 am

look up the corrado and miller formula
 
User avatar
skullx
Topic Author
Posts: 0
Joined: January 27th, 2012, 5:43 pm

Vanilla options IV guess

September 18th, 2013, 11:54 am

Much obliged!