Nasdaq's Phil Mackintosh tells interns all they wanted to know about market structure, but were afraid to ask.
The asset manager had record quarterly inflows of $57bn in the securities baskets.
Volumes have slipped since March but are still well higher than 2018-2019.
JP Morgan's fixed income markets revenue was $7.3bn, up 99% year-on-year.
The association said improving data should be prioritised.
The partnership increases interoperability across the European post-trade landscape.
There is latent demand from systematic and index funds to trade equity futures and options in Europe.
Closing auction is one of most important daily liquidity and price formation events in European equities.
Three trading days in June landed within the top five trading days on record.