Definition. The OHLC data for the VSTOXX index, which measures the market's expected 30-day volatility for Euro Area stocks based on Euro Stoxx 50 option prices. VSTOXX is the European equivalent of the VIX.

Technical. Available at daily resolution only, with no intraday data. On non-trading days (weekends, market holidays), values are forward-filled from the last trading session's close price. Data since January 2009.