I'm surprised because I haven't looked at this index for years! Too much focus on the FTSE, CAC-40 and DAX and I missed the bigger picture-and a bigger picture it is! Here's the normalized performance of the nearby Euro Stoxx 50 futures contract (nearby symbol FXM24) compared to the E-Mini S&P 500 futures contract (nearby symbol ESM24) since the 6/22/1998 inception of the FX and back adjusted for rolls:
ESn = Nearby E-Mini S&P 500 back adjusted
Source: barchart.com