Document ID: SEC-2019-0631-0001
Agency: sec
Document Type: Notice
Title: Self-Regulatory Organizations; Proposed Rule Changes: MIAX Emerald, LLC
Posted Date: 2019-05-10T04:00Z

[Federal Register Volume 84, Number 91 (Friday, May 10, 2019)]
[Notices]
[Pages 20665-20668]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2019-09629]

[[Page 20665]]

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SECURITIES AND EXCHANGE COMMISSION

[Release No. 34-85783; File No. SR-EMERALD-2019-19]

Self-Regulatory Organizations; MIAX Emerald, LLC; Notice of 
Filing of a Proposed Rule Change To Amend Exchange Rule 515A Concerning 
the PRIME Price Improvement and Solicitation Mechanisms and Rules 516 
and 517 Regarding Post-Only Orders and Post-Only Quotes

May 6, 2019.
    Pursuant to the provisions of Section 19(b)(1) of the Securities 
Exchange Act of 1934 (``Act'') \1\ and Rule 19b-4 thereunder,\2\ notice 
is hereby given that on April 29, 2019, MIAX Emerald, LLC (``MIAX 
Emerald'' or ``Exchange'') filed with the Securities and Exchange 
Commission (``Commission'') a proposed rule change as described in 
Items I, II, and III below, which Items have been prepared by the 
Exchange. The Commission is publishing this notice to solicit comments 
on the proposed rule change from interested persons.
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    \1\ 15 U.S.C. 78s(b)(1).
    \2\ 17 CFR 240.19b-4.
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I. Self-Regulatory Organization's Statement of the Terms of Substance 
of the Proposed Rule Change

    The Exchange is filing a proposal to amend Exchange Rule 515A, MIAX 
Emerald Price Improvement Mechanism (``PRIME'') and PRIME Solicitation 
Mechanism; Rule 516, Order Types Defined; and Rule 517, Quote Types 
Defined.
    The text of the proposed rule change is available on the Exchange's 
website at http://www.miaxoptions.com/rule-filings/emerald at MIAX 
Emerald's principal office, and at the Commission's Public Reference 
Room.

II. Self-Regulatory Organization's Statement of the Purpose of, and 
Statutory Basis for, the Proposed Rule Change

    In its filing with the Commission, the Exchange included statements 
concerning the purpose of and basis for the proposed rule change and 
discussed any comments it received on the proposed rule change. The 
text of these statements may be examined at the places specified in 
Item IV below. The Exchange has prepared summaries, set forth in 
sections A, B, and C below, of the most significant aspects of such 
statements.

A. Self-Regulatory Organization's Statement of the Purpose of, and 
Statutory Basis for, the Proposed Rule Change

1. Purpose
    The Exchange proposes to amend Exchange Rule 515A, MIAX Emerald 
Price Improvement Mechanism (``PRIME'') and PRIME Solicitation 
Mechanism. Specifically, the Exchange proposes to amend the rule to 
adopt new rule text providing that Post-Only Orders \3\ and Post-Only 
Quotes,\4\ collectively referred to as ``Post-Only OQs,'' may 
participate in a PRIME Auction. Additionally, the Exchange proposes to 
delete current Interpretation and Policy .07 and adopt new 
Interpretations and Policies .07 and .08.
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    \3\ See Exchange Rule 516(m).
    \4\ See Exchange Rule 517(a)(1)(i).
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    PRIME is a process by which a Member \5\ may electronically submit 
for execution (``Auction'') an order it represents as agent (``Agency 
Order'') against principal interest, and/or an Agency Order against 
solicited interest.\6\ Currently, Post-Only Orders may not participate 
in a PRIME Auction and are rejected if received while a PRIME Auction 
is in process.\7\ Similarly, the current rule provides that Post-Only 
Quotes may not participate in a PRIME Auction and are rejected if 
received during a PRIME Auction.\8\ Additionally, if trading interest 
exists on the MIAX Emerald Book \9\ that is subject to the Managed 
Interest Process pursuant to Exchange Rule 515(c) or there is a Post-
Only OQ subject to the POP Process on the MIAX Emerald Book for the 
option on the same side of the market as the Agency Order, the Agency 
Order will be rejected by the System \10\ prior to initiating an 
Auction or Solicitation Auction.\11\
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    \5\ The term ``Member'' means an individual or organization 
approved to exercise the trading rights associated with a Trading 
Permit. Members are deemed ``members'' under the Exchange Act. See 
Exchange Rule 100.
    \6\ See Exchange Rule 515A(a).
    \7\ See Exchange Rule 516(m).
    \8\ See Exchange Rule 517(a)(1)(i).
    \9\ The term ``Book'' means the electronic book of buy and sell 
orders and quotes maintained by the System. See Exchange Rule 100.
    \10\ The term ``System'' means the automated trading system used 
by the Exchange for the trading of securities. See Exchange Rule 
100.
    \11\ See Exchange Rule 515A(a).07.
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    The Exchange now proposes to allow Post-Only OQs to participate in 
a PRIME Auction and to be received during a PRIME Auction as described 
in more detail below. The Exchange proposes to amend Exchange Rule 
516(m), ``Post-Only Orders,'' to remove the sentence that provides that 
Post-Only Orders may not participate in a PRIME Auction as set forth in 
Rule 515A(a) and if received during a PRIME Auction will be rejected. 
The Exchange also proposes to amend Exchange Rule 517(a)(1)(i), ``Post-
Only Quotes,'' to remove the sentence that provides that Post-Only 
Quotes may not participate in a PRIME Auction as set forth in Rule 
515A(a) and if received during a PRIME Auction will be rejected. In 
addition to these proposed changes the Exchange also proposes to amend 
Rule 515A(a)(1)(iv) which states, ``Post-Only OQs may not participate 
in PRIME as an Agency Order,\12\ principal interest or solicited 
interest. Post-Only OQs received during a PRIME Auction will be 
rejected.'' The Exchange proposes to remove the second sentence which 
states, ``Post-Only OQs received during a PRIME Auction will be 
rejected.''
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    \12\ See Exchange Rule 515A(a).
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    The Exchange also proposes to amend subsection (a)(2)(i)(A) to 
clarify that for both single price submissions and auto-match, if the 
EBBO \13\ on the same side of the market as the Agency Order represents 
a limit order on the Book or a Post-Only Quote subject to the POP 
Process,\14\ the stop price must be at least $0.01 increment better 
than the Book price. This proposed change supports the handling of 
Post-Only OQs in PRIME and clarifies the stop price minimum 
requirement.
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    \13\ The term ``EBBO'' means the best bid or offer on the 
Exchange. See Exchange Rule 100.
    \14\ See Exchange Rule 515(i)(3).
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    The Exchange proposes to delete current Interpretation and Policy 
.07 of Rule 515A in its entirety and to adopt new Interpretation and 
Policy .07 in its stead. New Interpretation and Policy .07 will provide 
that if trading interest exists on the MIAX Emerald Book that is 
subject to the POP Process pursuant to Rule 515(i) for the option on 
the opposite side of the market as the Agency Order, the Agency Order 
will be automatically executed against the Post-Only interest if the 
execution would be at a price $0.01 inside the EBBO. For an Agency 
Order to buy, the price would be $0.01 higher than the EBB, and for an 
Agency Order to sell the price would be $0.01 lower than the EBO. If 
the Agency Order is not fully executed after the interest subject to 
the POP Process is fully exhausted and is no longer at a price equal to 
the initiating price of the Agency Order, the PRIME Auction will be 
initiated for the balance of the Agency Order as provided in this Rule. 
With respect to any portion of an Agency Order that is automatically 
executed against managed interest pursuant to this paragraph .07, the

[[Page 20666]]

exposure requirements contained in Rule 520(b) and (c) will not be 
satisfied just because the Member utilized the PRIME. The following two 
examples demonstrate how Post-Only interest resting on the Book is 
handled.
    Example 1. A resting Post-Only OQ subject to the POP Process \15\ 
on the opposite side from the Agency Order causes the Agency Order to 
automatically execute against the Post-Only interest at a price $0.01 
better than the EBBO.
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    \15\ The POP Process is engaged if the limit price of a Post-
Only OQ locks or crosses the current side EBBO where the EBBO is the 
NBBO. See Exchange Rule 515(i)(3)(ii).

MPV: \16\ .05
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    \16\ The term ``MPV'' means minimum price variations. See 
Exchange Rule 510.
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EBBO: 3.00-3.10 (10x10)
ABBO: \17\ 3.00-3.10 (10x10)
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    \17\ The term ``ABBO'' or ``Away Best Bid or Offer'' means the 
best bid(s) or offer(s) disseminated by other Eligible Exchanges 
(defined in Rule 1400(f)) and calculated by the Exchange based on 
market information received by the Exchange from OPRA. See Exchange 
Rule 100.
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Post-Only Order: Sell 1 @3.00

    The Exchange receives a Post-Only order to sell at 3.00. Since the 
Post-Only order is priced equal to the opposite side EBBO it is subject 
to the POP Process and is therefore booked at 3.05 with a display price 
of 3.05.

EBBO: 3.00-3.05 (10x1)
PRIME Agency Order: Buy 10 @3.05 \18\
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    \18\ The Initiating Member must stop the entire Agency Order as 
principal or with a solicited order at the better of the NBBO or the 
Agency Order's limit price (if the order is a limit order). See 
Exchange Rule 515A(a)(1)(ii).

    The Exchange then receives a PRIME Agency Order to buy at a price 
equal to the opposite side EBBO, which includes a Post-Only order 
subject to the POP Process (without a POP, this would not occur). Since 
trading interest exists on the MIAX Emerald Book subject to the POP 
Process on the opposite side of the market from the Agency Order, the 
Agency Order is automatically executed against the Post-Only interest 
$0.01 better than the same side EBB.
    The PRIME Agency Order to Buy, trades 1 @ 3.01 with the Sell Post-
Only order subject to the POP Process.
    Since the Agency Order is not fully executed after the Post-Only 
interest is exhausted, an Auction is initiated for the balance of the 
order. A Request for Responses (``RFR'') is broadcast to all 
subscribers detailing the option, side, size and initiating price, and 
the RFR period is started.\19\
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    \19\ See Exchange Rule 515A(a)(2)(i)(B).
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    No Responses are received.
    The PRIME Auction process will trade the Agency Order with the 
Contra interest.
    The PRIME Agency Order buys 9 from the Contra interest @ 3.05.
    Example 2. A resting Post-Only OQ subject to the Managed Interest 
Process on the opposite side from the Agency Order causes the Agency 
Order to automatically execute against the Managed Interest at a price 
equal to or better than the initiating price of the Agency Order.

MPV: .05
EBBO: 2.95-3.10 (10x10)
ABBO: 3.00-3.10 (10x10)

    The Exchange receives a Post-Only order to sell at 3.00. Since the 
Post-Only order is priced equal to the opposite side ABBO, it is 
subject to the Managed Interest Process and is therefore booked at 3.00 
with a display price of 3.05.

EBBO: 2.95-3.05 (10x1)
PRIME Agency Order: Buy 10 @ 3.05

    The Exchange then receives a PRIME Agency Order to buy at a price 
equal to opposite side Post-Only order. Since trading interest exists 
on the MIAX Emerald Book subject to the Managed Interest Process on the 
opposite side of the market from the Agency Order, the Agency Order is 
automatically executed against the Post-Only interest at the resting 
Managed Interest's Book Price.
    The PRIME Agency Order to Buy, trades 1 @ 3.00 with the Sell Post-
Only order subject to the Managed Interest Process.
    Since the Agency Order is not fully executed after the Post-Only 
interest is exhausted, an Auction is initiated for the balance of the 
order. A Request for Responses (``RFR'') is broadcast to all 
subscribers and the RFR period is started.
    No Responses are received.
    The PRIME Auction process will trade the Agency Order with the 
Contra interest.
    The PRIME Agency Order buys 9 from the Contra interest @ 3.05.
    The Exchange also proposes to adopt new Interpretation and Policy 
.08 to Rule 515A, to state that if trading interest exists on the MIAX 
Emerald Book that is subject to the Managed Interest Process pursuant 
to Rule 515(c) or the POP Process pursuant to Rule 515(i) for the 
option on the same side of the market as the Agency Order, the Agency 
Order will be rejected by the System prior to initiating an Auction or 
Solicitation Auction. The following examples demonstrate this behavior.
    Example 3. A resting Post-Only OQ subject to Managed Interest 
Process on the same side as the Agency Order causes the Agency Order to 
be rejected.

MPV: .01
EBBO: 1.00-1.06 (10x10)
ABBO: 1.00-1.05 (10x10)
Post-Only Order: Buy 1 @ 1.05

    The Exchange receives a Post-Only order to buy at 1.05. Since the 
Post-Only order is priced equal to the opposite side ABBO, it is 
subject to the Managed Interest Process and is therefore booked at 1.05 
with a display price of 1.04.

EBBO: 1.04-1.06 (10x1)
PRIME Agency Order: Buy 10 @ 1.05

    The Exchange then receives a PRIME Agency Order to buy at 1.05 on 
the same side as the Post-Only order subject to the Managed Interest 
Process. Since trading interest exists on the MIAX Emerald Book subject 
to the Managed Interest Process on the same side of the market as the 
Agency Order, the Agency Order is rejected.
    Example 4. A resting Post-Only OQ subject to POP Process on the 
same side as the Agency Order causes the Agency Order to be rejected.

MPV: .01
EBBO: 1.00-1.05 (10x10)
ABBO: 1.00-1.05 (10x10)
Post-Only Order: Buy 1 @ 1.05

    The Exchange receives a Post-Only order to buy at 1.05. Since the 
Post-Only order is priced equal to the opposite side EBBO it is subject 
to the POP Process and is therefore booked at 1.04 with a display price 
of 1.04.

EBBO: 1.04-1.05 (1x10)
PRIME Agency Order: Buy 60 @ 1.05

    The Exchange then receives a PRIME Agency Order to buy at 1.05 on 
the same side as the Post-Only order. Since trading interest exists on 
the MIAX Emerald Book subject to the POP Process on the same side of 
the market as the Agency Order, the Agency Order is rejected.
Auction Termination
    An Auction shall conclude upon receipt by the System of an 
unrelated order, including a Post-Only Order, (in the same option as 
the Agency Order); (i) on the opposite side of the market from the RFR 
responses, that is marketable against either the NBBO, the initiating 
price, or the RFR response; or (ii) on the same side of the market as 
the RFR responses, that is marketable against the NBBO.\20\ An Auction 
will also conclude if the System receives an unrelated limit order, 
including a Post-Only Order, (in the same option as the Agency Order) 
on the opposite side of the market from the Agency Order that improves 
any RFR response.\21\ Additionally, an Auction may conclude for any of 
the other reasons provided for in Rule 515A.\22\
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    \20\ See Exchange Rule 515A(a)(2)(ii)(B) and (C).
    \21\ See Exchange Rule 515A(a)(2)(ii)(D).
    \22\ See Exchange Rule 515A(a)(2)(ii).

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[[Page 20667]]

    Post-Only Orders and Post-Only Quotes received during a PRIME 
Auction are treated in similar fashion to other unrelated interest 
received during a PRIME Auction as described in Rule 515A, however 
Post-Only Orders and Post-Only Quotes, by definition, will not remove 
liquidity.\23\ If, at the conclusion of a PRIME Auction, same side 
Post-Only interest remains, the Post-Only interest will be subject to 
the POP Process as described in Exchange Rule 515(i).
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    \23\ See Exchange Rule 516(m) and 517(a)(1)(i) respectively.
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    Additionally, the Exchange proposes to amend Interpretation and 
Policy .12(b) of Rule 515A, which currently describes three scenarios 
where the System will reject a cPRIME Agency Order at the time of 
receipt. The Exchange proposes to amend paragraph (b)(iii) which 
currently provides that a cPRIME Agency Order will be rejected at the 
time of receipt if any component of the strategy is subject to the 
Managed Interest Process described in Rule 515(c)(1)(ii). The Exchange 
proposes to include a reference to Market Maker orders and quotes which 
may be managed, as described in Rule 515(d); and Post-Only interest 
being managed under the Post-Only Price Process, as described in Rule 
515(i). The Exchange has two separate order management processes for 
orders; one for non-routable orders, and one specifically for Post-Only 
Orders (the Post-Only Price Process). Additionally, the Exchange has a 
management process for Market Maker orders and quotes which operates 
similarly to the Managed Interest Process.\24\ The Exchange proposes to 
specify that the System will reject a cPRIME Agency Order at the time 
of receipt if any component of the strategy is subject to the Managed 
Interest Process described in Rule 515(c)(1), Rule 515(d), or the Post-
Only Price Process described in Rule 515(i), to ensure that the 
integrity of the simple market remains intact. Finally, the Exchange 
proposes to make a minor non-substantive change to Interpretation and 
Policy .06 of Rule 515A, to clarify the term ``order'' in the second 
sentence of the paragraph refers to an Agency Order, and to capitalize 
the word ``rule'' in the same sentence, to align the text of 
Interpretation and Policy .06 to the proposed text of Interpretation 
and Policy .07.
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    \24\ See Exchange Rule 515(d)(ii).
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    The Exchange also proposes to amend subsection (m) of Exchange Rule 
516, Order Types Defined, to delete the statement from the rule text 
that states, Post-Only Orders may not participate in a PRIME Auction as 
set forth in Rule 515A(a) and if received during a PRIME Auction will 
be rejected. Similarly, the Exchange proposes to amend subsection 
(a)(1)(i) of Exchange Rule 517, Quote Types Defined, to delete the 
statement from the rule text that states, Post-Only Quotes may not 
participate in a PRIME Auction as set forth in Rule 515A(a) and if 
received during a PRIME Auction will be rejected. It is necessary for 
the Exchange to remove this rule text, as under this proposal Post-Only 
Orders and Post-Only Quotes may be eligible to participate in a PRIME 
Auction. Additionally, under this proposal, Post Only Orders and Post-
Only Quotes received by the System during a PRIME Auction will not be 
rejected.
2. Statutory Basis
    The Exchange believes that its proposed rule changes are consistent 
with Section 6(b) of the Act \25\ in general, and furthers the 
objectives of Section 6(b)(5) of the Act \26\ in particular, in that it 
is designed to prevent fraudulent and manipulative acts and practices, 
to promote just and equitable principles of trade, to foster 
cooperation and coordination with persons engaged in facilitating 
transactions in securities, to remove impediments to and perfect the 
mechanisms of a free and open market and a national market system and, 
in general, to protect investors and the public interest.
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    \25\ 15 U.S.C. 78f(b).
    \26\ 15 U.S.C. 78f(b)(5).
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    The proposal to allow Post-Only OQs to participate in a PRIME 
Auction and to be received during a PRIME Auction promotes just and 
equitable principles of trade, removes impediments to and perfects the 
mechanisms of a free and open market and a national market system and, 
in general, protects investors and the public interest by increasing 
the potential liquidity that may be available during a PRIME Auction 
which may result in possible price improvement opportunities. It is in 
the investor's best interest to receive the best order execution price.
    The proposal to amend Exchange Rule 516(m) and Exchange Rule 
517(a)(1)(i) to remove a provision that Post-Only Orders and Post-Only 
Quotes, respectively, received during a PRIME Auction are rejected, 
promotes just and equitable principles of trade, removes impediments to 
and perfects the mechanisms of a free and open market and a national 
market system and, in general, protects investors and the public 
interest by ensuring that the Exchange's rules are accurate and precise 
concerning the handling of Post-Only Orders and Post-Only Quotes. It is 
in investors and the public's interest for Exchange rules to be 
accurate and concise so as to avoid the potential for confusion.
    The proposal to amend Rule 515A(a)(2)(ii) to add additional text 
clarifying the inclusion of Post-Only Orders in certain scenarios that 
will end a PRIME Auction adds clarity and precision to the Exchange's 
rule text. It is in investors and the public's interest for Exchange 
rules to be accurate and concise so as to avoid the potential for 
confusion.
    The proposal to adopt new Interpretation and Policy .07 regarding 
the System's behavior for trading interest on the Emerald Book subject 
to the POP Process promotes just and equitable principles of trade, 
removes impediments to and perfects the mechanisms of a free and open 
market and a national market system and, in general, protects investors 
and the public interest by including resting interest in the PRIME 
Auction process. Under the Exchange's existing rule the System would 
reject an Agency Order prior to initiating an Auction if there was 
resting interest for the option on the same side of the market as the 
Agency Order. This proposal provides that this interest will now be 
included in the PRIME Auction which benefits investors and the public 
interest by including more liquidity in the Auction process and 
allowing the Auction to occur.
    The proposal to adopt new Interpretation and Policy .08 promotes 
just and equitable principles of trade, removes impediments to and 
perfects the mechanisms of a free and open market and a national market 
system and, in general, protects investors and the public interest by 
providing additional detail regarding trading interest on the MIAX 
Emerald Book that is subject to the Managed Interest Process or the POP 
Process. Under the Exchange's existing rule if trading interest existed 
on the Book that was subject to the Managed Interest Process for the 
option on the same side of the market as the Agency Order the System 
would reject the Agency Order prior to initiating an Auction. This 
behavior remains the same under the Exchange's proposal. Under the 
Exchange's existing rule if there was a Post-Only OQ on the Book for 
the option on the same side of the market as the Agency Order the 
System would reject the Agency Order prior to initiating an Auction. 
Under the Exchange's proposal, the Exchange has clarified that if there 
is interest on the Book in the option on the same side of the market as 
the Agency Order that is

[[Page 20668]]

subject to the POP Process pursuant to Rule 515(i) the System will 
reject the Agency Order prior to initiating an Auction. The Exchange 
believes this change more accurately describes the behavior of the 
System in this circumstance and it is in investors and the public's 
interest for Exchange rules to be accurate and concise so as to avoid 
the potential for confusion.
    The proposal to amend Interpretation and Policy .12 of Exchange 
Rule 515A, to add additional conditions which will prevent a cPRIME 
Agency Order from being received promotes just and equitable principles 
of trade and protects investors and the public interest by ensuring 
that the integrity of the Simple Market remains intact by rejecting a 
cPRIME Agency Order if any component of the strategy is subject to a 
management process or the Post-Only Price Process. The Exchange 
believes the proposed rule change removes impediments to and perfects 
the mechanism of a free and open market and a national market system 
and will result in more efficient trading by ensuring orderly markets 
involving complex orders with common components. The proposed rule 
change will protect investors and the public interest by ensuring that 
executions occurring in a cPRIME auction are valid.
    Additionally, the Exchange believes that including additional 
scenarios which will terminate a cPRIME Auction promotes just and 
equitable principles of trade and removes impediments to a free and 
open market by providing greater transparency concerning the operation 
of Exchange functionality. This provision ensures that a cPRIME Agency 
Order will always receive the best price on the Exchange while 
simultaneously preserving the integrity of the simple market.
    The proposal to amend Exchange Rule 516 and Rule 517 to remove rule 
text which states that Post-Only Orders and Post-Only eQuotes, 
respectively, may not participate in PRIME Auctions and if received 
during an Auction will be rejected, ensures that the rules of the 
Exchange accurately describe the Exchange's functionality.
    The Exchange believes the proposed changes promote just and 
equitable principles of trade and remove impediments to and perfect the 
mechanism of a free and open market and a national market system 
because they seek to add additional detail to, and improve the accuracy 
of, the Exchange's rules. In particular, the Exchange believes that the 
proposed rule changes will provide clarity and transparency of the 
Exchange's rules to Members and the public, and it is in the public 
interest for rules to be accurate and concise so as to minimize the 
potential for confusion.

B. Self-Regulatory Organization's Statement on Burden on Competition

    The Exchange does not believe that the proposed rule change will 
impose any burden on competition that is not necessary or appropriate 
in furtherance of the purposes of the Act. The proposed rule change is 
intended to promote competition by expanding the type of interest that 
may participate in a PRIME Auction.
    The Exchange believes that this enhances intermarket competition by 
enabling the Exchange to compete for this type of order flow with other 
exchanges that have similar rules and functionality in place.
    The Exchange does not believe the proposal will impose any burden 
on intra-market competition as the Exchange's rules apply equally to 
all Members of the Exchange.

C. Self-Regulatory Organization's Statement on Comments on the Proposed 
Rule Change Received From Members, Participants, or Others

    Written comments were neither solicited nor received.

III. Date of Effectiveness of the Proposed Rule Change and Timing for 
Commission Action

    Within 45 days of the date of publication of this notice in the 
Federal Register or within such longer period (i) as the Commission may 
designate up to 90 days of such date if it finds such longer period to 
be appropriate and publishes its reasons for so finding or (ii) as to 
which the Exchange consents, the Commission shall: (a) By order approve 
or disapprove such proposed rule change, or (b) institute proceedings 
to determine whether the proposed rule change should be disapproved.

IV. Solicitation of Comments

    Interested persons are invited to submit written data, views, and 
arguments concerning the foregoing, including whether the proposed rule 
change is consistent with the Act. Comments may be submitted by any of 
the following methods:

Electronic Comments

     Use the Commission's internet comment form (http://www.sec.gov/rules/sro.shtml); or
     Send an email to rule-comments@sec.gov. Please include 
File Number SR-EMERALD-2019-19 on the subject line.

Paper Comments

     Send paper comments in triplicate to Secretary, Securities 
and Exchange Commission, 100 F Street NE, Washington, DC 20549-1090.

All submissions should refer to File Number SR-EMERALD-2019-19. This 
file number should be included on the subject line if email is used. To 
help the Commission process and review your comments more efficiently, 
please use only one method. The Commission will post all comments on 
the Commission's internet website (http://www.sec.gov/rules/sro.shtml). 
Copies of the submission, all subsequent amendments, all written 
statements with respect to the proposed rule change that are filed with 
the Commission, and all written communications relating to the proposed 
rule change between the Commission and any person, other than those 
that may be withheld from the public in accordance with the provisions 
of 5 U.S.C. 552, will be available for website viewing and printing in 
the Commission's Public Reference Room, 100 F Street NE, Washington, DC 
20549, on official business days between the hours of 10:00 a.m. and 
3:00 p.m. Copies of the filing also will be available for inspection 
and copying at the principal office of the Exchange. All comments 
received will be posted without change. Persons submitting comments are 
cautioned that we do not redact or edit personal identifying 
information from comment submissions. You should submit only 
information that you wish to make available publicly. All submissions 
should refer to File Number SR-EMERALD-2019-19 and should be submitted 
on or before May 31, 2019.

    For the Commission, by the Division of Trading and Markets, 
pursuant to delegated authority.\27\
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    \27\ 17 CFR 200.30-3(a)(12).
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Eduardo A. Aleman,
Deputy Secretary.
[FR Doc. 2019-09629 Filed 5-9-19; 8:45 am]
 BILLING CODE 8011-01-P