GTH-Enabled Multi-list Opening (C1 Only) (effective TBD)

The figure below illustrates the GTH-Enabled Multi-list class category Opening Process. Shown below is both the GTH and RTH session openings. The GTH opening is triggered by the observation of a trade or quote in the underlying after 7:30 a.m. ET. The RTH opening is triggered by the observation of a trade or quote in the underlying after 9:30 a.m. ET. The GTH session stops at 9:25 a.m. ET, at which time orders active in the GTH book join the RTH Queuing book and participate in the RTH opening. For GTH-eligible Multi-list Products, GTH Queuing begins at 7:15 a.m. ET Monday through Friday, GTH regular trading begins at 7:30 a.m. ET, and the GTH session stops at 9:25 a.m. ET.