Revised changes to symbol display eligibility per Reg ATS Rule 301(b)(3)
IEX Trading Alert #2015 - 027
Please Route To: Trading, Trade Support, and Business
What you need to know:
- Effective Monday, October 12, 2015, IEX will resume accepting displayed orders in DSGX (Descartes Systems Group Inc.)
- IEX will continue to accept non-displayed orders in DSGX.
Why is IEX making this change?
IEX does not need to continue rejecting displayed orders in DSGX in order to comply with Rule 301(b)(3) of Reg ATS.
This rule states: if during at least 4 of the preceding 6 months, an Alternative Trading System (ATS) which displays subscriber orders to any person had with respect to any NMS stock, 5% or more of the ADV, then that ATS is required to provide to a national securities exchange or national securities association the prices and sizes of the orders at the highest buy price and the lowest sell price for such NMS stock, displayed to more than one person in the alternative trading system, for contribution to the NBBO.
Where can I learn more?
- Trading Alert #2015-026 : Changes to symbol display eligibility per Reg ATS Rule 301(b)(3)
- IEX FIX Specification.
- IEX Subscriber Manual.
- Contact IEX Sales at 646.343.2100 or subscriber@iextrading.com.
- Contact IEX Market Operations at 646.343.2300 or marketops@iextrading.com.
- Become an IEX Subscriber.
- IEX Frequently Asked Questions.
About IEX
Dedicated to institutionalizing fairness in the markets, IEX provides a more balanced marketplace via simplified market structure design and cutting-edge technology. IEX operates a fair-access platform accessible by any qualified broker dealer. IEX is driven by a team of cross-industry experts with backgrounds spanning market venues, electronic trading, and broker-dealers. IEX is the first equity trading venue seeded exclusively by a consortium of buy-side investors, including mutual funds, hedge funds, and family offices. Learn more at: iextrading.com.