The VSTOXX Futures Indices measure the return from a rolling long position in Eurex VSTOXX Futures contracts. The VSTOXX Futures position is rolled continuously on a daily basis to ensure a constant maturity of the futures portfolio. The VSTOXX Futures Indices are based on the EURO STOXX 50 Index, the leading Blue-chip index for the Eurozone. Short-Term and mid-term index versions are available, based on different futures maturities