RT @ecb: We looked at 99 banks and found that 70% of them must exchange initial margin for over-the-counter derivative trading by September 2022. We will work with them to make the process prudent, efficient and transparent. Read more in the Supervision Newsletter https://www.bankingsupervision.europa.eu/press/supervisory-newsletters/html/index.en.html?utm_source=ecb_Twitter&utm_campaign=220518_basu_newsletter_May_2022