Data from EuroStoxx50 Weekly returns (r) and covariance (R) for N=48 stocks during 264 weeks from March 2003 to March 2008. An artificial risk-free asset r0 is also included. Data suppplied by Fabio Tardella Professor of Operations Research University of Rome "La Sapienza" http://w3.uniroma1.it/Tardella/datasets.html