This paper shows that FED policy announcements lead to a significant increase in international co-movement in the cross-section of equity and particularly sovereign CDS market. The effect is strongest for emerging markets, when the FED relaxes unconventionary monetary policies, and for countries...

Several methods have recently been proposed in the ultra high frequency financial literature to remove the effects of microstructure noise and to obtain consistent estimates of the integrated volatility (IV) as a measure of ex-post daily volatility. Even bias-corrected and consistent realized...