All times are UK (BST) Time.
Only products affected are shown below. All other products follow standard trading hours.
Monday, June 19, 2023 - Early Market "HALT" - 12:00 CST (Chicago)
*Any open positions must meet Exchange Maintenance Margin by 11:45 am CST.
https://www.ampglobal.com/exchange_traded_futures/margins_requirements.html