How to know when the markets may close early and how that may affect you
To make sure you are aware of how certain Holidays will effect Trading Hours, you can save this link to your favorites to review as needed.
https://www.cmegroup.com/tools-information/holiday-calendar.html
All traders are expected to be flat with no open position prior to any market Halt or Close to avoid un-necessary exposure to market driving forces.
Any positions left open will be liquidated and will Fail the Evaluation