Document ID: SEC-2023-1167-0001
Agency: sec
Document Type: Notice
Title: Self-Regulatory Organizations; Proposed Rule Changes: Miami International Securities Exchange, LLC
Posted Date: 2023-10-04T04:00Z

[Federal Register Volume 88, Number 191 (Wednesday, October 4, 2023)]
[Notices]
[Pages 68827-68830]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2023-22033]

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SECURITIES AND EXCHANGE COMMISSION

[Release No. 34-98657; File No. SR-MIAX-2023-30]

Self-Regulatory Organizations; Miami International Securities 
Exchange, LLC; Suspension of and Order Instituting Proceedings To 
Determine Whether To Approve or Disapprove Proposed Rule Change To 
Amend the Fee Schedule To Modify Certain Connectivity and Port Fees

September 29, 2023.

I. Introduction

    On August 8, 2023, Miami International Securities Exchange, LLC 
(``MIAX'' or ``Exchange'') filed with the Securities and Exchange 
Commission (``Commission''), pursuant to Section 19(b)(1) of the 
Securities Exchange Act of 1934 (``Act''),\1\ and Rule 19b-4 
thereunder,\2\ a proposed rule change (File No. SR-MIAX-2023-30) to 
amend certain connectivity and port fees. The proposed rule change was 
immediately effective upon filing with the Commission pursuant to 
Section 19(b)(3)(A) of the Act.\3\ The proposed rule change was 
published for comment in the Federal Register on August 25, 2023.\4\ 
Pursuant to Section 19(b)(3)(C) of the Act,\5\ the Commission is 
hereby: (1) temporarily suspending the proposed rule change; and (2) 
instituting proceedings to determine whether to approve or disapprove 
the proposed rule change.
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    \1\ 15 U.S.C. 78s(b)(1).
    \2\ 17 CFR 240.19b-4.
    \3\ 15 U.S.C. 78s(b)(3)(A). A proposed rule change may take 
effect upon filing with the Commission if it is designated by the 
exchange as ``establishing or changing a due, fee, or other charge 
imposed by the self-regulatory organization on any person, whether 
or not the person is a member of the self-regulatory organization.'' 
15 U.S.C. 78s(b)(3)(A)(ii).
    \4\ See Securities Exchange Act Release No. 98173 (August 21, 
2023), 88 FR 58378 (SR-MIAX-2023-30) (``Notice''). Comment on the 
proposed rule change can be found at: https://www.sec.gov/comments/sr-miax-2023-30/srmiax202330.htm.
    \5\ 15 U.S.C. 78s(b)(3)(C).
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II. Background and Description of the Proposed Rule Change

    As described in more detail in the Notice, the Exchange proposes 
to: (1) increase fees for a 10 gigabit (``Gb'') ultra-low latency 
(``ULL'') fiber connection for Members \6\ and non-Members from $10,000 
to $13,500 per month; \7\ (2) remove provisions in the Exchange's Fee 
Schedule that provide for a shared 10 Gb ULL network with the 
Exchange's affiliate MIAX Pearl Options; \8\ and (3) increase fees for 
Limited Service MIAX Express Interface \9\ (``MEI'') Ports available to 
Market Makers \10\ through implementing a tiered-pricing structure.\11\ 
With respect to Limited Service MEI Ports, the Exchange will continue 
to provide two Limited Service MEI Ports for each matching engine \12\ 
to which a Market Maker connects free of charge.\13\ Prior to the 
proposed fee change, Market Makers were assessed a $100 monthly fee for 
each additional Limited Service MEI Port for each matching engine above 
the first two Limited Service MEI Ports that were included for 
free.\14\ Now, the Exchange proposes to establish a tiered-pricing 
structure for the Limited Service MEI Ports pursuant to which: (i) the 
third and fourth Limited Service MEI Ports for each matching engine 
will increase to $150 a month per port; (ii) the fifth and sixth 
Limited Service MEI Ports for each matching engine will increase to 
$200 a month per port; and (iii) the seventh or more Limited Service 
MEI Ports will increase to $250 a month per port.\15\
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    \6\ 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.
    \7\ See Notice, supra note 4, at 58383.
    \8\ On January 23, 2023, the Exchange bifurcated the Exchange 
and MIAX Pearl Options 10Gb ULL network and stated that this 
bifurcation was due to ever-increasing capacity constraints and 
anticipated access needs for Members and market participants. See 
Securities Exchange Act Release Nos. 96545 (December 20, 2022), 87 
FR 79393 (December 27, 2022) (SR-MIAX-2022-48); and 96553 (December 
20, 2022), 87 FR 79379 (December 27, 2022) (SR-PEARL-2022-60). The 
instant filing would amend provisions in the Fee Schedule to reflect 
the bifurcation of the 10Gb ULL network and specify that only the 
1Gb network provides access to both the Exchange and MIAX Pearl 
Options. See Notice, supra note 4, at 58383.
    \9\ The MIAX Express Interface (``MEI'') is a connection to MIAX 
systems that enables Market Makers to submit simple and complex 
electronic quotes to MIAX. See Fee Schedule, note 26.
    \10\ The term ``Market Makers'' refers to Lead Market Makers 
(``LMMs''), Primary Lead Market Makers (``PLMMs''), and Registered 
Market Makers (``RMMs'') collectively. See Exchange Rule 100. For 
purposes of Limit Service MEI Ports, Market Makers also include 
firms that engage in other types of liquidity activity, such as 
seeking to remove resting liquidity from the Exchange's Book. The 
Exchange states that the Limited Service MEI Ports provide Market 
Makers with the ability to send eQuotes and quote purge messages 
only, but not Market Maker Quotes, to the MIAX System, in addition 
to being capable of receiving administrative information. See 
Notice, supra note 4, at 58383, n.61.
    \11\ See Notice, supra note 4, at 58383. The Exchange initially 
filed the proposed fee change on December 30, 2022, with an 
effective date of January 1, 2023. See Securities Exchange Act 
Release No. 96629 (January 10, 2023), 88 FR 2729 (January 17, 2023) 
(SR-MIAX-2022-50). That filing was withdrawn by the Exchange and the 
Exchange filed a new proposed fee change with additional 
justification (SR-MIAX-2023-08) on February 23, 2023. See Securities 
Exchange Act Release No. 97081 (March 8, 2023), 88 FR 15782 (March 
14, 2023). The Exchange subsequently withdrew that filing and 
replaced it with SR-MIAX-2023-18 on April 20, 2023. See Securities 
Exchange Act Release No. 97419 (May 2, 2023), 88 FR 29777 (May 8, 
2023). The Exchange subsequently withdrew that filing and replaced 
it with SR-MIAX-2023-25 on June 16, 2023. See Securities Exchange 
Act Release No. 97814 (June 27, 2023), 88 FR 42844 (July 3, 2023). 
The Exchange subsequently withdrew that filing and replaced it with 
the instant filing to provide additional information and a revised 
justification for the proposal, which is discussed herein. See 
Notice, supra note 4, at 58379.
    \12\ A ``matching engine'' is a part of the MIAX electronic 
system that processes options quotes and trades on a symbol-by-
symbol basis. Some matching engines will process option classes with 
multiple root symbols, and other matching engines will be dedicated 
to one single option root symbol (for example, options on SPY will 
be processed by one single matching engine that is dedicated only to 
SPY). A particular root symbol may only be assigned to a single 
designated matching engine. A particular root symbol may not be 
assigned to multiple matching engines. See Notice, supra note 4, at 
58383, n.62 (citing Fee Schedule, Section 5)d)ii), note 29).
    \13\ See Notice, supra note 4, at 58383.
    \14\ See id.
    \15\ See id.
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III. Suspension of the Proposed Rule Change

    Pursuant to Section 19(b)(3)(C) of the Act,\16\ at any time within 
60 days of the date of filing of an immediately effective proposed rule 
change pursuant to Section 19(b)(1) of the Act,\17\ the Commission 
summarily may temporarily suspend the change in the rules of a self-
regulatory organization (``SRO'') if it appears to the Commission that 
such action is necessary or appropriate in the public interest, for the 
protection of investors, or otherwise in furtherance of the purposes of 
the Act. The Commission believes a temporary suspension of the proposed 
rule change is necessary and appropriate to allow for additional 
analysis of the proposed rule change's consistency with the Act and the 
rules thereunder.
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    \16\ 15 U.S.C. 78s(b)(3)(C).
    \17\ 15 U.S.C. 78s(b)(1).
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    In support of the proposal, the Exchange states its belief that the 
proposed fees overall are reasonable because they promote parity among 
exchange pricing for access, which promotes competition, while allowing 
the Exchange to recover its costs to provide dedicated access via 10Gb 
ULL connectivity and Limited Service MEI

[[Page 68828]]

Ports.\18\ The Exchange further states that the proposed fees are fair 
and reasonable because they will not result in pricing that deviates 
from that of other exchanges or a ``supra-competitive profit,'' when 
comparing the total expense of the Exchange associated with providing 
10Gb ULL connectivity and Limited Service MEI Port services versus the 
total projected revenue of the Exchange associated with these 
services.\19\ According to the Exchange, employing a methodology that 
is the ``result of an extensive review and analysis,'' it estimates the 
total projected annual cost of providing 10Gb ULL connectivity to be 
$12,034,554 and for providing Limited Service MEI Ports to be 
$2,157,178.\20\
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    \18\ See Notice, supra note 4, at 58385.
    \19\ See id. at 58398.
    \20\ See id. at 58389, 58390. The Exchange states that its cost 
analysis is based on the Exchange's 2023 fiscal year of operations 
and projections. See id. at 58397.
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    To arrive at these figures, the Exchange states that it undertook 
an extensive cost analysis to analyze every expense in the Exchange's 
general expense ledger to determine whether each such expense related 
to the provision of connectivity and port services, and, if such 
expense did so relate, what portion (or percentage) of such expense 
supported the provision of connectivity and port services.\21\ The 
Exchange states that it determined the total cost for the Exchange and 
its affiliated markets for each cost driver \22\ through a company-wide 
process that included discussions with senior management, Exchange 
department heads, and the Finance Team.\23\ The Exchange further states 
that it determined what portion of the cost allocated to the Exchange 
pursuant to this methodology is to be allocated to each core service, 
including the appropriate allocation to connectivity and ports.\24\ The 
Exchange states that through this allocation methodology, the Exchange 
``applied an allocation of each cost driver to each core service'' and 
``[e]ach of the [resulting] cost allocations is unique to the Exchange 
and represents a percentage of overall cost that was allocation to the 
Exchange pursuant to the initial allocation.'' \25\
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    \21\ See id. at 58391.
    \22\ The Exchange defines ``cost drivers'' within the filing as 
the costs necessary to deliver each of the core services, including 
infrastructure, software, human resources (i.e., personnel), and 
certain general and administrative expenses. See Notice, supra note 
4, at 58390.
    \23\ See Notice, supra note 4, at 58390. The Exchange states 
that because the Exchange's parent company currently owns and 
operates four separate and distinct marketplaces, the Exchange's 
parent company determines an accurate cost for each marketplace, 
which results in different allocations and amounts across exchanges 
for the same cost drivers. See id. According to the Exchange, its 
allocation methodology ensures that no cost would be allocated twice 
or double-counted between the Exchange and its affiliated markets. 
See id.
    \24\ See id. The Exchange describes ``core services'' as 
services provided by the Exchange, including transaction execution, 
market data, membership services, physical connectivity, and port 
access (which provides order entry, cancellation and modification 
functionality, risk functionality, the ability to receive drop 
copies, and other functionality). See id.
    \25\ Id.
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    The Exchange states that the $12,034,554 aggregate annual costs for 
providing physical dedicated 10Gb ULL connectivity via an unshared 
network is the sum of the following individual line-item costs: (1) 
Human Resources at $3,867,297; (2) Connectivity (external fees, 
cabling, switches, etc.) at $70,163; (3) internet Services and External 
Market Data at $424,584; (4) Data Center at $718,950; (5) Hardware and 
Software Maintenance and Licenses at $727,734; (6) Depreciation at 
$2,310,898; and (7) Allocated Shared Expenses at $3,914,928.\26\ The 
Exchange represents that it estimates that the proposed fees will 
result in an annual revenue of approximately $15,066,000, which is a 
potential profit margin of 20% over the cost of providing 10Gb ULL 
connectivity services.\27\
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    \26\ See id. at 58391.
    \27\ See id. at 58397-98.
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    The Exchange states that the $2,157,178 aggregate annual costs for 
offering Limited Service MEI Ports is the sum of the following 
individual line-item costs: (1) Human Resources at $898,480; (2) 
Connectivity (external fees, cabling, switches, etc.) at $4,435; (3) 
internet Services and External Market Data at $41,601; (4) Data Center 
at $85,214; (5) Hardware and Software Maintenance and Licenses at 
$104,859; (6) Depreciation at $237,335; and (7) Allocated Shared 
Expenses at $785,254.\28\ The Exchange represents that it estimates 
that the proposed fees will result in an annual revenue of 
approximately $3,300,600, which is a potential profit margin of 35% 
over the cost of providing Limited Service MEI Ports.\29\
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    \28\ See Notice, supra note 4, at 58394.
    \29\ See id. at 58398.
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    The Exchange states its belief that the proposed fees are 
reasonable because they allow the Exchange to ``recoup the Exchange's 
costs of providing dedicated 10Gb ULL connectivity and Limited Service 
MEI Ports'' and that the cost analysis and related projections 
demonstrate that the Exchange is not earning ``supra-competitive 
profits.'' \30\ In addition, the Exchange states that the proposed fees 
are comparable to or lower than the fees charged by competing options 
exchanges for similar products.\31\
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    \30\ Id.
    \31\ See id.
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    In further support of the proposal, the Exchange states its belief 
that the proposed fees are reasonable, fair, equitable, and not 
unfairly discriminatory, because they are designed to align fees with 
services provided and will apply equally to all subscribers.\32\ 
Moreover, the Exchange asserts that the proposed fees are equitably 
allocated among users of the network connectivity and port 
alternatives, as the ``users of 10Gb ULL connections consume 
substantially more bandwidth and network resources than the users of 
1Gb ULL connection.'' \33\ The Exchange also states that with respect 
to Limited Service MEI Ports, the tiered-pricing structure is 
``explicitly designed to link fees to related costs imposed on the 
[E]xchange'' and that ``Market Makers that purchase more connections 
cause significantly greater costs and expenses to the Exchange.'' \34\
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    \32\ See id. at 58399.
    \33\ Id.
    \34\ Id.
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    Finally, the Exchange asserts that the proposed fees would not 
cause any unnecessary or inappropriate burden on inter-market 
competition because if the fee is set too high it would make it easier 
for other exchanges to compete with the Exchange, and only if the 
proposed fees were a ``substantial fee decrease could this be 
considered a form of predatory pricing.'' \35\ Furthermore, the 
Exchange asserts that the proposed fee change for 10Gb ULL connectivity 
is a ``technology driven change designed to meet customer needs,'' and 
that separating the 10Gb ULL network from MIAX Pearl Options enables 
the Exchange to ``better compete with other exchanges'' by continuing 
to provide adequate connectivity to current and new Members, which 
``may increase [its] ability to compete for order flow and deepen its 
liquidity pool, improving the overall quality of its market.'' \36\ The 
Exchange also asserts that the proposed rule change would not cause any 
unnecessary or inappropriate burden on intra-market competition because 
the proposed fees will allow the Exchange to recoup some of its costs 
in providing 10Gb ULL connectivity and Limited Service MEI Ports at 
below market rates since the Exchange launched operations.\37\
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    \35\ Id. at 58401.
    \36\ Id. at 58402.
    \37\ See id. at 58401.

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[[Page 68829]]

    To date, the Commission has received one comment letter on the 
revised justifications for the proposed increase in fees for 10Gb ULL 
connectivity and Limited Service MEI Ports.\38\ This commenter states 
that the revisions reflected in the Exchange's instant proposal as 
compared to its earlier filings ``do[ ] not fundamentally redress the 
valid critiques that SIG raised in its prior letters objecting to the 
subject fee increases.'' \39\
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    \38\ See Letter from Gerald D. O'Connell, Executive Director, 
Susquehanna International Group, LLP, to Vanessa Countryman, 
Secretary, Commission, dated September 18, 2023 (``SIG Letter'').
    \39\ Id.
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    When exchanges file their proposed rule changes with the 
Commission, including fee filings like the Exchange's present proposal, 
they are required to provide a statement supporting the proposal's 
basis under the Act and the rules and regulations thereunder applicable 
to the exchange.\40\ The instructions to Form 19b-4, on which exchanges 
file their proposed rule changes, specify that such statement ``should 
be sufficiently detailed and specific to support a finding that the 
proposed rule change is consistent with [those] requirements.'' \41\
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    \40\ See 17 CFR 240.19b-4 (Item 3 entitled ``Self-Regulatory 
Organization's Statement of the Purpose of, and Statutory Basis for, 
the Proposed Rule Change'').
    \41\ See id.
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    Section 6 of the Act, including Sections 6(b)(4), (5), and (8), 
require the rules of an exchange to: (1) provide for the equitable 
allocation of reasonable fees among members, issuers, and other persons 
using the exchange's facilities; \42\ (2) perfect the mechanism of a 
free and open market and a national market system, protect investors 
and the public interest, and not be designed to permit unfair 
discrimination between customers, issuers, brokers, or dealers; \43\ 
and (3) not impose any burden on competition not necessary or 
appropriate in furtherance of the purposes of the Act.\44\
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    \42\ 15 U.S.C. 78f(b)(4).
    \43\ 15 U.S.C. 78f(b)(5).
    \44\ 15 U.S.C. 78f(b)(8).
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    In temporarily suspending the Exchange's proposed rule change, the 
Commission intends to further consider whether the proposal to increase 
fees for 10Gb ULL connectivity (to be provided via an unshared network) 
and adopt a tired-pricing structure for Limited Service MEI Ports is 
consistent with the statutory requirements applicable to a national 
securities exchange under the Act. In particular, the Commission will 
consider whether the proposed rule change satisfies the standards under 
the Act and the rules thereunder requiring, among other things, that an 
exchange's rules provide for the equitable allocation of reasonable 
fees among members, issuers, and other persons using its facilities; 
not permit unfair discrimination between customers, issuers, brokers or 
dealers; and do not impose any burden on competition not necessary or 
appropriate in furtherance of the purposes of the Act.\45\
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    \45\ See 15 U.S.C. 78f(b)(4), (5), and (8), respectively.
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    Therefore, the Commission finds that it is appropriate in the 
public interest, for the protection of investors, and otherwise in 
furtherance of the purposes of the Act, to temporarily suspend the 
proposed rule change.\46\
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    \46\ For purposes of temporarily suspending the proposed rule 
change, the Commission has considered the proposed rule's impact on 
efficiency, competition, and capital formation. See 15 U.S.C. 
78c(f).
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IV. Proceedings To Determine Whether To Approve or Disapprove the 
Proposed Rule Change

    In addition to temporarily suspending the proposal, the Commission 
also hereby institutes proceedings pursuant to Sections 19(b)(3)(C) 
\47\ and 19(b)(2)(B) of the Act \48\ to determine whether the 
Exchange's proposed rule change should be approved or disapproved. 
Institution of proceedings does not indicate that the Commission has 
reached any conclusions with respect to any of the issues involved. 
Rather, the Commission seeks and encourages interested persons to 
provide additional comment on the proposed rule change to inform the 
Commission's analysis of whether to approve or disapprove the proposed 
rule change.
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    \47\ 15 U.S.C. 78s(b)(3)(C). Once the Commission temporarily 
suspends a proposed rule change, Section 19(b)(3)(C) of the Act 
requires that the Commission institute proceedings under Section 
19(b)(2)(B) to determine whether a proposed rule change should be 
approved or disapproved.
    \48\ 15 U.S.C. 78s(b)(2)(B).
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    Pursuant to Section 19(b)(2)(B) of the Act,\49\ the Commission is 
providing notice of the grounds for possible disapproval under 
consideration:
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    \49\ Id. Section 19(b)(2)(B) of the Act also provides that 
proceedings to determine whether to disapprove a proposed rule 
change must be concluded within 180 days of the date of publication 
of notice of the filing of the proposed rule change. See id. The 
time for conclusion of the proceedings may be extended for up to 60 
days if the Commission finds good cause for such extension and 
publishes its reasons for so finding, or if the exchange consents to 
the longer period. See id.
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     Whether the Exchange has demonstrated how the proposed 
fees are consistent with Section 6(b)(4) of the Act, which requires 
that the rules of a national securities exchange ``provide for the 
equitable allocation of reasonable dues, fees, and other charges among 
its members and issuers and other persons using its facilities;'' \50\
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    \50\ 15 U.S.C. 78f(b)(4).
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     Whether the Exchange has demonstrated how the proposed 
fees are consistent with Section 6(b)(5) of the Act, which requires, 
among other things, that the rules of a national securities exchange 
not be ``designed to permit unfair discrimination between customers, 
issuers, brokers, or dealers;'' \51\ and
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    \51\ 15 U.S.C. 78f(b)(5).
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     Whether the Exchange has demonstrated how the proposed 
fees are consistent with Section 6(b)(8) of the Act, which requires 
that the rules of a national securities exchange ``not impose any 
burden on competition not necessary or appropriate in furtherance of 
the purposes of [the Act].'' \52\
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    \52\ 15 U.S.C. 78f(b)(8).
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    As discussed in Section III above, the Exchange made various 
arguments in support of its proposal. The Commission believes that 
there are questions as to whether the Exchange has provided sufficient 
information to demonstrate that the proposed fees are consistent with 
the Act and the rules thereunder.
    Under the Commission's Rules of Practice, the ``burden to 
demonstrate that a proposed rule change is consistent with the [Act] 
and the rules and regulations issued thereunder . . . is on the [SRO] 
that proposed the rule change.'' \53\ The description of a proposed 
rule change, its purpose and operation, its effect, and a legal 
analysis of its consistency with applicable requirements must all be 
sufficiently detailed and specific to support an affirmative Commission 
finding,\54\ and any failure of an SRO to provide this information may 
result in the Commission not having a sufficient basis to make an 
affirmative finding that a proposed rule change is consistent with the 
Act and the applicable rules and regulations.\55\
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    \53\ 17 CFR 201.700(b)(3).
    \54\ See id.
    \55\ See id.
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    The Commission is instituting proceedings to allow for additional 
consideration and comment on the issues raised herein, including as to 
whether the proposed fees are consistent with the Act, and 
specifically, with its requirements that exchange fees be reasonable 
and equitably allocated, not be unfairly discriminatory, and not impose 
any burden on competition that is not

[[Page 68830]]

necessary or appropriate in furtherance of the purposes of the Act.\56\
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    \56\ See 15 U.S.C. 78f(b)(4), (5), and (8).
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V. Commission's Solicitation of Comments

    The Commission requests written views, data, and arguments with 
respect to the concerns identified above as well as any other relevant 
concerns. Such comments should be submitted by October 25, 2023. 
Rebuttal comments should be submitted by November 8, 2023. Although 
there do not appear to be any issues relevant to approval or 
disapproval that would be facilitated by an oral presentation of views, 
data, and arguments, the Commission will consider, pursuant to Rule 
19b-4, any request for an opportunity to make an oral presentation.\57\
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    \57\ 15 U.S.C. 78s(b)(2). Section 19(b)(2) of the Act grants the 
Commission flexibility to determine what type of proceeding--either 
oral or notice and opportunity for written comments--is appropriate 
for consideration of a particular proposal by an SRO. See Securities 
Acts Amendments of 1975, Report of the Senate Committee on Banking, 
Housing and Urban Affairs to Accompany S. 249, S. Rep. No. 75, 94th 
Cong., 1st Sess. 30 (1975).
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    The Commission asks that commenters address the sufficiency and 
merit of the Exchange's statements in support of the proposal, in 
addition to any other comments they may wish to submit about the 
proposed rule change.
    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 (https://www.sec.gov/rules/sro.shtml); or
     Send an email to [email protected]. Please include 
file number SR-MIAX-2023-30 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-MIAX-2023-30. 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 (https://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 
a.m. and 3 p.m. Copies of the filing also will be available for 
inspection and copying at the principal office of the Exchange. Do not 
include personal identifiable information in submissions; you should 
submit only information that you wish to make available publicly. We 
may redact in part or withhold entirely from publication submitted 
material that is obscene or subject to copyright protection. All 
submissions should refer to file number SR-MIAX-2023-30 and should be 
submitted on or before October 25, 2023. Rebuttal comments should be 
submitted by November 8, 2023.

VI. Conclusion

    It is therefore ordered, pursuant to Section 19(b)(3)(C) of the 
Act,\58\ that File No. SR-MIAX-2023-30, be and hereby is, temporarily 
suspended. In addition, the Commission is instituting proceedings to 
determine whether the proposed rule change should be approved or 
disapproved.
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    \58\ 15 U.S.C. 78s(b)(3)(C).

    For the Commission, by the Division of Trading and Markets, 
pursuant to delegated authority.\59\
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    \59\ 17 CFR 200.30-3(a)(57).
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Sherry R. Haywood,
Assistant Secretary.
[FR Doc. 2023-22033 Filed 10-3-23; 8:45 am]
BILLING CODE 8011-01-P