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Renamed Routing Options and Display Instructions for Pegged Orders

IEX Trading Alert #2015 - 006

Please Route To: Technology, Trade Support, and Business

What you need to know:

  • Effective immediately, IEX renames existing routing options to enhance clarity, while keeping routing functionality unchanged.
  • IEX offers greater flexibility for pegged order entry; effective Wednesday, April 1, pegged orders submitted without the MaxFloor tag (FIX tag 111) will not result in a reject.  Pegged orders will be defined as non-displayed if MaxFloor (FIX tag 111) is omitted. 

How will the labels for IEX routing options change?

IEX is renaming our routing options to simplify the labels.  FIX tag values, router functionality, and availability will remain unchanged.

    Unchanged Unchanged
Old Name New Name ExecInst (FIX tag 18) Availability
IEX Only Standard i Currently Available
Route to Take with Resweep Router u Currently Available
Route to Rest with Resweep Router+ s Available 1 April 2015
Route to Take SweepPost t Currently Available
Route to Rest SweepPost+ r Available 1 April 2015
Route to Rest Away Route to Rest Away v Currently Available

How will FIX instructions regarding display values ("MaxFloor" (FIX tag 111)) change for Pegged Orders?

All pegged orders are always non-displayed at IEX.

Beginning on Wednesday, April 1, to facilitate ease of use, IEX will accept the submission of pegged orders with MaxFloor (FIX tag 111) omitted.  Normally, the omission of MaxFloor (FIX tag 111) instructs the IEX trading system to fully display the order.

  • If MaxFloor (FIX tag 111) is omitted for a pegged order, the result is a non-displayed order.
  • If MaxFloor (FIX tag 111) is omitted for a limit order, the result is a fully-displayed order.

The objective of this change is to help Subscribers receive fewer order rejects resulting from the submission of unsupported MaxFloor (order display) values.

Pegged order functionality will remain unchanged.  Pegged orders do not route out to external destinations, and execute only on IEX.


OrdType (FIX tag 40) MaxFloor (FIX tag 111) Result of Order Submission
P Omitted Accepted, non-displayed pegged order
P 0 Accepted, non-displayed pegged order
P Any Value > 0 Rejected

What do I need to do?

No technical change is required for either of these updates.

Please ensure that your trading desk and technology team becomes familiar with the new names of IEX routing options.

Please ensure that your team is aware that beginning Wednesday, April 1, pegged orders submitted without the MaxFloor (FIX tag 111) will be handled as non-displayed orders.

The IEX Subscriber Manual and IEX FIX Specification have been updated to reflect this new information.

Where can I learn more?

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.