Inverse Problem News Today

The implied volatility in the Black-Scholes framework is not a constant but a function of both the strike price (“smile/skew”) and the time to expiry. A popular approach to recovering the volatility surface is through the use of deterministic volatility function models via Dupire's equation. A new method for volatility surface calibration based on the Mellin transform is proposed. An explicit formula for the volatility surface is obtained in terms of the Mellin transform of the call opt...

Shannon: and who knows when that will be? lets talk about it now with politics editor of the halftime report and author of every man a king. welcome. lets start with the gop race, the only one with challenges for jim jordan and kevin mccarthy but mccarthy has detractors. we went to be very clear the position of our activist is if the definition of insanity is doing the same thing over and over again and expecting a different result a vote for kevin mccarthy for minority leader is insanity. >> no...

>> shannon: who knows when that will be. thank you. lets talk about it with fox news politics editor chris stirewalt. and author of "every man a king," including him. lets start with the g.o.p. race. the only thing where there is this challenge, jim jordan and kevin mccarthy. mccarthy has some detractors. saying "we want to be clear that the position of our activists is that if the definition of insanity is doing the same thing over and over again and expecting a different result, then a vote fo...

Look at what mitch mcconnell said to local kentucky paper. he was -- we know wind is going to be in our face. we dont know whether it is going to be a category 3, 4 or 5. so it is a hurricane warning. >> it is definitely a hurricane warning. that was before the prospect of trade war which turned these hurricane winds into gale-force winds. the chinese are not dumb. their wisconsin cheese, kentucky bourbon. democrats are having the inverse problem, who hates the president more, who can be tougher...

Change sells when you are 18-years-old it has a lot of energy behind it when your friends are doing it all the more. when you think about 50% of college graduates not being able to find a job, unprecedented spending and expansion of government it makes you think seriously about the issues. >> mike: sam, thank you. peter? >> last row christopher. >> hi. i have the inverse problem, i have three jobs. me, i supported barack obama in 2008. one of the things for me going to cause me to vote for him a...

Out a republican. >> i guess. i was caught up on hope and change sells when you are 18-years-old it has a lot of energy behind it when your friends are doing it all the more. when you think about 50% of college graduates not being able to find a job, unprecedented spending and expansion of government it makes you think seriously about the issues. >> mike: sam, thank you. peter? >> last row christopher. >> hi. i have the inverse problem, i have three jobs. me, i supported barack obama in 2008. on...

Out a republican. >> i guess. i was caught up on hope and change sells when you are 18-years-old it has a lot of energy behind it when your friends are doing it all the more. when you think about 50% of college graduates not being able to find a job, unprecedented spending and expansion of government it makes you think seriously about the issues. >> mike: sam, thank you. peter? >> last row christopher. >> hi. i have the inverse problem, i have three jobs. me, i supported barack obama in 2008. on...