In this paper we study how the pattern of segmentation in the euro area money market has been affected by the recent turmoil in financial markets. We use nonparametric estimates of realized volatility to test for volatility spillovers between rates at different maturities. For the pre-turmoil...

No consensus has emerged on how to deal with overnight returns when calculating realized volatility in markets where trading does not take place 24 hours a day. This paper explores several common volatility applications, investigating how the chosen treatment of overnight returns affects the...