Entry of Orders on the ATS
The ATS accepts the submission of orders by Subscribers in NMS securities enabled to trade on the ATS.
Connectivity to the ATS occurs through secure points of entry. Subscribers are responsible for safeguarding their access to the ATS and for notifying the ATS upon learning if any such safeguards have
been compromised.
IEX publishes "TOPS", a real-time non-protected top of book quote feed.