Status

Delay of 2:00am Cboe GTH Options Opening

July 29, 2019 02:59:00

Cboe GTH Options
will delay the scheduled 2:00am CST opening of the Options products due to a
CSM issue. An opening time is being considered and will be 
announced
when available.

http://www.cboe.com/aboutcboe/cboedisclaimer.aspx