The Euro Stoxx 50 is a stock index of 50 of the largest and most liquid blue-chip companies in the eurozone. It is widely used as a benchmark for European equity performance and as the underlying for futures and options contracts.
Example
“The trader went long on Euro Stoxx 50 futures ahead of the ECB meeting, betting that a dovish rate decision would lift European equities, and the index rallied 2.3% on the day.”