IB scanner shows a 30% spike in vols for VIX , SPX and DOW , while vols change for ANY of the indices components isn't above 15%. What is wrong with this picture ?
Yes, it's getting there! Waiting patiently Wonder if you've seen this IV: http://www.risklatte.com/volatilityToday/volatilityToday050721a.php It talks about dispersion trading from a correlation point of view under certain circumstances.
Agree, but normally after a 3 day weekend the time travel IV manipulation would have been played out by the end of the resuming day to bring us back to the present.