[Federal Register Volume 83, Number 33 (Friday, February 16, 2018)]
[Notices]
[Pages 7092-7096]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2018-03197]


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SECURITIES AND EXCHANGE COMMISSION

[Release No. 34-82689; File No. SR-CBOE-2018-016]


Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of 
Filing of a Proposed Rule Change To Amend Rules Related to the Complex 
Order Book

February 12, 2018.
    Pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 
(the ``Act''),\1\ and Rule 19b-4 thereunder,\2\ notice is hereby given 
that, on February 2, 2018, Cboe Exchange, Inc. (the ``Exchange'' or 
``Cboe Options'') filed with the Securities and Exchange Commission 
(the ``Commission'') the 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 proposes to amend its rules related to the Complex 
Order Book (``COB'').
    (additions are italicized; deletions are [bracketed])
* * * * *

Cboe Exchange, Inc. Rules

* * * * *

Rule 6.53C. Complex Orders on the Hybrid System

    (a)-(b) No change.
    (c) Complex Order Book:

    (i) Routing of Complex Orders: The Exchange will determine which 
classes and which complex order origin types (i.e., non-broker-
dealer public customer, broker-dealers that are not Market-Makers or 
specialists on an options exchange, and/or Market-Makers or 
specialists on an options exchange) are eligible for entry into the 
COB and whether such complex orders can route directly to the COB 
and/or from PAR to the COB. In a class in which the Exchange 
determines complex orders of Market-Makers and specialists on an 
options exchange are not eligible for entry into the COB, the 
Exchange may determine that Market-Makers and specialists may enter 
complex orders into the COB if:
    (A) their complex orders are on the opposite side of (1) a 
priority customer complex order(s) resting in the COB with a price 
not outside the national spread market; or (2) order(s) on the same 
side of the market in the same strategy that initiated a COA(s) if 
there are ``x'' number of COAs within ``y'' milliseconds, counted on 
a rolling basis (the Exchange determines the number ``x'' (which 
must be at least 2) and time period ``y'' (which may be no more than 
2,000)); and
    (B) they cancel their complex orders, if they remain unexecuted, 
no later than a specified time (which the Exchange determines and 
may be no more than five minutes) after the time the COB receives 
the Market-Maker order.

    Complex orders not eligible to route to COB (either directly or 
from PAR to COB) will route via the order handling system pursuant to 
Rule 6.12.
    (ii)-(iv) No change.
    (d) No change.
    . . . Interpretations and Policies:
    .01-.12 No change.
* * * * *
    The text of the proposed rule change is also available on the 
Exchange's website (http://www.cboe.com/AboutCBOE/CBOELegalRegulatoryHome.aspx), at the Exchange's Office of the 
Secretary, 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 its rules related to the COB. 
Currently, Rule 6.53C(c)(i) states the Exchange may determine which 
classes and which complex order origin types (i.e., non-broker-dealer 
public customer, broker-dealers that are not market-makers or 
specialists on an options exchange, and/or Market-Makers or specialists 
on an options exchange) are eligible for entry into the COB and whether 
such complex orders can route directly to the COB and/or from PAR to 
the COB.\3\ To the extent an origin type is not eligible for entry into 
the COB, complex orders with that origin type may still be entered into 
the System as opening-only or immediate-or-cancel, as such orders would 
not rest in the COB when the Exchange is open for trading.
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    \3\ Currently, Cboe Options has determined Market-Maker (origin 
code ``M'') and market-maker or specialist on an options exchange 
(``away market-makers'') (origin code ``N'') complex orders in 
options on the S&P 500 (``SPX'' and ``SPXW'') and the Cboe 
Volatility Index (``VIX'') are not eligible for entry into the COB. 
See Regulatory Circular RG15-195. The group of SPX options with 
standard third-Friday settlements trade under the SPX symbol on the 
Hybrid 3.0 trading system, and the group of SPX options with other 
settlements trade under the SPXW symbol on the Hybrid trading 
system. Pursuant to Rule 8.14, Interpretation and Policy .01(c), the 
Exchange may establish different trading parameters for each group 
to the extent the Exchange Rules otherwise provide for such 
parameters to be established on a class basis.
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    The Exchange proposes to amend Rule 6.53C(c) to provide in a class 
in which the Exchange determines complex orders of Market-Makers and 
away market-makers are not eligible for entry into the COB, the 
Exchange may determine that Market-Makers and away market-makers may 
enter complex

[[Page 7093]]

orders into the COB if (1) their complex orders are on the opposite 
side of (A) a priority customer complex order(s) resting in the COB 
with a price not outside the national spread market (``NSM'') \4\ or 
(B) order(s) on the same side of the market in the same strategy that 
initiated a COA(s) if there are ``x'' number of COAs within ``y'' 
milliseconds, counted on a rolling basis (the Exchange will determine 
\5\ the number ``x'' (which must be at least 2) and time period ``y'' 
(which may be no more than 2,000)) and (2) they cancel their complex 
orders, if such orders remain unexecuted, no later than a specified 
time (which the Exchange determines and may be no more than five 
minutes) after the time the COB receives the order. The Exchange 
intends to set these parameters at levels it believes will permit 
Market-Makers to have sufficient time to submit orders into the COB to 
participate in COAs, which determination the Exchange will make based 
on Market-Maker feedback, business conditions, and data (including 
trading volume data and information regarding number of executions of 
Market-Maker orders against complex orders).
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    \4\ See Rule 1.1(dddd) [sic].
    \5\ Pursuant to Rule 6.53C, Interpretation and Policy .01, the 
Exchange will announce to Trading Permit Holders all determinations 
it makes pursuant to Rule 6.53C via Regulatory Circular. The 
Exchange will provide Trading Permit Holders with sufficient, 
advanced notice prior to changing any parameters its sets under the 
proposed rule change.
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    Unlike the leg markets, in which market-makers provide liquidity 
through quotes, the COB has no market-maker quotes that indicate to 
customers the price at which liquidity providers are willing to trade 
against their orders.\6\ Allowing market-makers to enter orders on the 
COB when there are priority customer orders on the opposite side will 
provide those customers with this information, thus creating potential 
execution opportunities for customers whose orders are not satisfied by 
the leg markets or other complex orders. The Exchange believes the 
proposed rule change will add liquidity for resting priority customer 
complex orders in classes in which the Exchange has determined M and N 
complex orders are not eligible for entry into the COB, thus increasing 
execution opportunities at prices potentially better than the leg 
markets.
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    \6\ Market-makers are unable (and not required to) submit quotes 
in the COB.
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    Additionally, the Exchange believes it may be difficult for Market-
Makers to respond to auctions, particularly when multiple auctions 
occur within a short amount of time, while managing risk related to the 
amount executed during those auctions. Market-makers have complicated 
risk modeling associated with their trading activity, which factors in 
the size, price, and frequency at which they trade with orders. In the 
leg markets, those risk models factor in market-makers' quotes. 
However, the Exchange understands Market-Makers have separate systems 
for quoting and for monitoring and responding to COAs, each of which 
has a different risk model and set of risk controls. For example, one 
server process submits quotes while another server process scans the 
market for opportunities, such as the presence of customer orders and 
auctions.
    It is common for Market-Makers to set risk controls with respect to 
the COA monitoring and response system to not respond to too many COAs 
within a short timeframe. If multiple COAs in a strategy occur within a 
short amount of time, it is common for a Market-Maker's system to 
determine this to be a potential system issue of the submitting Trading 
Permit Holder or Exchange. To ensure a Market-Maker does not trade with 
potentially erroneous orders and protect the Market-Maker from 
erroneous transactions to ensure it does not become overexposed to 
risk, the Market-Maker's system that monitors COAs may stop responding 
to COAs in this situation pursuant to the Market-Maker's risk controls 
for that system (e.g., the system may be programmed to only respond to 
a specific number of auctions within a time period). This ultimately 
reduces auction liquidity and potential price improvement for COA 
orders.
    Additionally, this may result in the Market-Maker missing 
opportunities to participate in legitimate auctions. However, it is 
common for market participants to enter multiple small orders into COAs 
that are not erroneous (e.g., in accordance with market participants' 
algorithmic trading that may break up larger orders when hedging large 
portfolios). To the extent a Market-Maker's system stops responding to 
COAs in the above situation, a person may review the COAs and determine 
in its discretion it is appropriate to trade with the COA orders even 
if the System does not permit it due to automatic controls. Under the 
proposed rule change, that person could then submit an order to the COB 
that would be available to trade against those multiple COA orders up 
to the amount the Market-Maker is willing to trade. Even if the COAs 
were the result of an error by the submitting market participants, the 
Market-Maker that submitted a complex order that ultimately executes 
against those erroneous COA errors still had an opportunity to review 
the sizes and prices of those orders and evaluate how much and at what 
prices it is willing to trade. This is no different than the 
possibility of a market-maker quote resting in the leg market executing 
against an erroneously entered order.\7\ It is easier, and faster, for 
a person to submit an order to the COB to cover the amount of contracts 
it is willing to trade than enter individual responses to COAs given 
the brief COA response period (currently 100 milleseconds). Allowing 
Market-Makers to enter orders on the COB when there are multiple 
auctions occurring in short periods of time permits Market-Makers to 
post their trading interest up to the total amount of contracts within 
a single strategy they desire to trade within their risk controls for 
orders (as an order on the COB may trade against various COA orders), 
which limits execution risk while permitting them to continue to 
provide liquidity to price improvement auctions.\8\
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    \7\ The Exchange may nullify a transaction or adjust the 
execution price of a transaction in accordance with Rule 6.25.
    \8\ Pursuant to Rule 6.53C(d), a Market-Maker or away market-
maker order on the opposite side of the auctioned order resting on 
the COB may be available for execution against any contracts of the 
auctioned order that did not execute during the auction.
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    The Exchange believes the proposed rule change also permits it to 
maintain the protections in those classes gained from not having M and 
N complex orders otherwise resting in the COB by only permitting M and 
N complex orders to rest in the COB under certain circumstances for 
limited time periods. In classes in which there is significant open 
outcry trading, there is generally a large number of complex orders 
that execute in open outcry, and such orders are generally for 
significant quantity. There is a risk of orders in the COB interfering 
with this trading. For example, if a broker represents a large buy 
complex order on the floor, if there is a small sell order in the COB 
for that strategy at a better price, the broker must trade with that 
resting order first. While this affords price improvement for a small 
portion of the buy order, this first execution lengthens the time of 
execution for the entire order, which may ultimately harm the customer 
with respect to the overall price given the speed at which the market 
changes. Additionally, if there is a small buy order for that strategy 
in the COB at a better bid price, the floor broker would not be able to 
clear that order and would not be able to trade until that order is no 
longer resting on the book at a better

[[Page 7094]]

price. This would ultimately disadvantage the floor broker's customer, 
who must now wait for execution. While non-market-maker orders are 
permitted in the COB in these classes, the Exchange believes these 
risks would be significantly heightened if market-maker orders were 
permitted to rest on the COB, as the Exchange expects market-makers 
would rest many smaller orders in reaction to hearing an order 
represented by a broker, which could block open outcry transactions 
more frequently.
    For the following examples, suppose the NBBO for the VIX October 14 
call is 2.50 to 2.60, and the market for the VIX October 14 put is 1.50 
to 1.60. Therefore, the NSM for a straddle \9\ is 4.00 to 4.20. 
Pursuant to the proposed rule change, the Exchange permits M and N 
orders to rest in VIX when there is an opposing side customer order 
resting in the COB with a price not outside $4.00 and $4.20 or if there 
are at least two COAs within a 1,000 millisecond interval, and provides 
Market-Makers with three minutes to cancel orders once those Market-
Maker orders are received into the COB.
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    \9\ A straddle order buys or sells the put and call of the same 
series.
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Example #1

     At 10:00 a.m., a customer submits to the COB an order to 
buy 20 of the VIX October 14 straddle at $4.10 (there are no other 
customer orders resting in the COB to buy this strategy at any price).
     At 10:01 a.m., the customer order is still resting, and 
the COB receives a Market-Maker order to sell 50 of the VIX October 14 
straddle at $4.12. The Market-Maker must cancel the order by 10:04 a.m.
     At 10:04 a.m., the Market-Maker cancels the order.
     At 10:04:30 a.m., the same customer order continues to 
rest on the COB, and the Market-Maker enters another order to sell the 
straddle at $4.11. The Market-Maker must cancel that order by 10:07:30 
a.m.
     At 10:07 a.m., the Market-Maker cancels the order.

Example #2

     At 10:31 a.m., a customer submits to the COB an order to 
buy 20 of the VIX October 14 straddle at $3.99 (there are no other 
customer orders resting in the COB to buy this strategy at any price).
     Market-Makers would not be permitted to enter opposing 
orders into the COB, because the customer order resting in the COB is 
priced outside of the NSM.
     At 10:35 a.m., the NSM changes from $4.00 to $4.20 to 
$3.90 to $4.10, and thus the resting customer order is now within the 
NSM.
     At 10:38 a.m., the COB receives a Market-Maker order to 
sell 50 of the straddle at $4.00.
     At 10:40 a.m., the customer cancels its resting order and 
submits a new order to buy 20 of the straddle at $4.00, which executes 
again the resting Market-Maker order.\10\ At 10:41 a.m., the Market-
Maker cancels the remaining 30 of the straddle.
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    \10\ Note the customer receives a better price than is currently 
offered in the leg markets--to get an execution in the leg markets, 
the customer would have had to buy the straddle at $4.10.
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Example #3

     At 10:00:00:000 a.m., a customer submits an order to buy 
the VIX October 14 straddle, which initiates a COA (there was no other 
COA within the previous 1000 milliseconds), so Market-Makers may not 
submit an order into the COB.
     At 10:00:00:999 a.m., another customer submits an order to 
buy the VIX October 14 straddle, which initiates another COA. As this 
is the second COA within a one thousand millisecond interval, Market-
Makers may submit orders to the COB.
     At 10:01:000 a.m., a Market-Maker submits to the COB an 
order to sell the VIX October 14 straddle at $4.12.
     The Market-Maker must cancel the order by 10:04:000 a.m.
    The time period within which a Market-Maker must cancel its complex 
order pursuant to the proposed rule change provides the Market-Maker 
with sufficient time for the opposing customer to potentially re-price 
its order for execution against the Market-Maker's order or for the 
Market-Maker order to execute against an order following a COA, while 
also giving the Market-Maker sufficient time to manually cancel its 
unexecuted orders while managing all of its trading activity. A time 
period that is too short may discourage market-makers from entering 
orders under these circumstances, but a time period that is too long 
may eliminate the benefits of not permitting market-maker orders to 
rest in the COB (as discussed above). Additionally, requiring customer 
orders to be not outside the NSM for Market-Makers to submit orders to 
the COB prevents situations in which market participants may take 
advantage of this functionality. For example, a customer may rest an 
order in the COB that is far outside the NSM (and thus unlikely to 
execute) for long periods of time, which would then permit Market-
Makers to rest orders in the COB for such long periods of time, because 
if a Market-Maker order on the COB does not trade, the Market-Maker 
could cancel it pursuant to the proposed rule change and then re-submit 
the order to the COB.
    The Exchange's Regulatory Division will have surveillance in place 
to enforce the proposed rule change, which surveillance will monitor 
whether M and N orders have only been entered in the permitted 
circumstances described above, and whether any such unexecuted orders 
have been cancelled by the deadline imposed by the proposed rule 
change.
2. Statutory Basis
    The Exchange believes the proposed rule change is consistent with 
the Securities Exchange Act of 1934 (the ``Act'') and the rules and 
regulations thereunder applicable to the Exchange and, in particular, 
the requirements of Section 6(b) of the Act.\11\ Specifically, the 
Exchange believes the proposed rule change is consistent with the 
Section 6(b)(5) \12\ requirements that the rules of an exchange be 
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 regulating, clearing, 
settling, processing information with respect to, and facilitating 
transactions in securities, to remove impediments to and perfect the 
mechanism of a free and open market and a national market system, and, 
in general, to protect investors and the public interest. Additionally, 
the Exchange believes the proposed rule change is consistent with the 
Section 6(b)(5) \13\ requirement that the rules of an exchange not be 
designed to permit unfair discrimination between customers, issuers, 
brokers, or dealers.
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    \11\ 15 U.S.C. 78f(b).
    \12\ 15 U.S.C. 78f(b)(5).
    \13\ Id.
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    In particular, the Exchange believes the proposed rule change will 
add liquidity and increase customer execution opportunities at prices 
potentially better than the leg markets for resting priority customer 
complex orders and auctioned orders in classes in which the Exchange 
has determined M and N orders are otherwise not eligible for entry into 
the COB, while maintaining the protections in those classes gained from 
not having M and N complex orders otherwise resting in the COB,\14\ 
which benefits investors. Unlike

[[Page 7095]]

the leg markets, in which market-makers provide liquidity through 
quotes, the COB has no market-maker quotes that indicate to customers 
the price at which liquidity providers are willing to trade against 
their orders. Allowing market-makers to enter orders on the COB when 
there are priority customer orders on the opposite side will provide 
those customers with this information, thus creating potential 
execution opportunities for customers whose orders are not satisfied by 
the leg markets or other complex orders.
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    \14\ As discussed above, in classes in which there is 
significant open outcry trading, the Exchange is aware of risk that 
market-makers could rest orders in the COB at prices that would 
interfere with executions by in-crowd market participants.
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    Additionally, the Exchange believes it may be difficult for Market-
Makers to respond to auctions, particularly when multiple auctions 
occur within a short amount of time, while managing risk related to 
amount executed during those auctions. Market-makers have complicated 
risk modeling associated with their trading activity, which factors in 
the size, price, and frequency at which they trade with orders. In the 
leg markets, those risk models factor in market-makers' quotes. 
However, the Exchange understands Market-Makers have separate systems 
for quoting and for monitoring and responding to COAs, each of which 
has a different risk model and set of risk controls. It is common for 
Market-Makers to set risk controls with respect to the COA monitoring 
and response system to not respond to too many COAs within a short 
timeframe. If multiple COAs in a strategy occur within a short amount 
of time, it is common for a Market-Maker's system to determine this to 
be a potential system issue of the submitting Trading Permit Holder or 
Exchange. To ensure a Market-Maker does not trade with potentially 
erroneous orders and protect the Market-Maker from erroneous 
transactions, the Market-Maker's system that monitors COAs may stop 
responding to COAs in this situation pursuant to the Market-Maker's 
risk controls for that system. This ultimately reduces auction 
liquidity and potential price improvement for COA orders. Allowing 
Market-Makers to enter orders on the COB when there are multiple 
auctions occurring in short periods of time permits Market-Makers to 
post their trading interest up to the total amount of contracts within 
a single strategy they desire to trade within their risk controls for 
orders (as an order on the COB may trade against various COA orders), 
which limits execution risk while permitting them to continue to 
provide liquidity to price improvement auctions.
    Therefore, the proposed rule change will improve Market-Makers' 
ability to trade against orders auctioned in a short period of time 
while managing their risk and thus increase execution opportunities for 
these orders. M and N complex orders provide customers with additional 
information regarding prices at which there is interest in the 
strategies. Current rules permit the Exchange to allow M and N orders 
into the COB; the rule change merely provides the Exchange with 
flexibility to allow this if certain conditions exist. The time period 
within which a Market-Maker must cancel its complex order pursuant to 
the proposed rule change provides the Market-Maker with sufficient time 
for the opposing customer to potentially re-price its order for 
execution against the Market-Maker's order or for the Market-Maker 
order to execute against an order following a COA, while also giving 
the Market-Maker sufficient time to manually cancel its unexecuted 
orders while managing all of its trading activity. A time period that 
is too short may discourage market-makers from entering orders under 
these circumstances, as they may not have time to cancel the order in 
time while managing all their trading activity, but a time period that 
is too long may eliminate the benefits of not permitting market-maker 
orders to rest in the COB (as discussed above). Additionally, requiring 
customer orders to be not outside the NSM for Market-Makers to submit 
orders to the COB prevents situations in which market participants may 
take advantage of this functionality--for example, a customer may rest 
an order in the COB that is far outside the NSM (and thus unlikely to 
execute) for long periods of time, which would then permit Market-
Makers to rest orders in the COB for such long periods of time, because 
if a Market-Maker order on the COB does not trade, the Market-Maker 
could cancel it pursuant to the proposed rule change and then re-submit 
the order to the COB.
    The Exchange's Regulatory Division will have surveillance in place 
to enforce the proposed rule change, which surveillance will monitor 
whether M and N orders have only been entered in the permitted 
circumstances described above, and whether any such unexecuted orders 
have been cancelled by the deadline imposed by the proposed rule 
change.

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

    Cboe Options 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. Current Rule 6.53C(c) 
permits the Exchange to determine M and N complex orders are not 
eligible to rest in the COB; the rule change merely provides the 
Exchange with flexibility to allow this if certain conditions exist. 
The proposed rule change permits Market-Makers to submit complex orders 
for entry into the COB, and cancel such orders if they remain 
unexecuted, in the same circumstances in those classes. If permitted, 
Market-Makers may enter complex orders for entry into the COB in their 
discretion; such order entry will not be required. Market-Makers may 
continue to enter opening only or immediate-or-cancel complex orders in 
those classes, or submit no complex orders in those classes, as they do 
today. Market-Makers have differing levels of resources, and some may 
determine to not expend resources to update systems to automatically 
recognize that conditions exist to permit them to rest orders in the 
COB. However, through discussions with Market-Makers, the Exchange 
understands any such system updates to require minimal expenditure. 
Additionally, it is possible for Market-Makers to manually observe the 
existence of conditions that would permit them to rest orders in the 
COB, and manually cancel them within the required timeframe. The 
proposed rule change does not require Market-Makers to submit orders to 
the COB if the conditions in the proposed rule change exist; such order 
submission would be voluntary and in Market-Makers' discretion. The 
proposed rule change provides all Market-Makers with the ability to 
submit orders to the COB in these circumstances.
    The Exchange believes the proposed rule change will add liquidity 
and increase customer execution opportunities at prices potentially 
better than the leg markets for resting priority customer complex 
orders and auctioned orders in classes in which the Exchange has 
determined M and N orders are not otherwise eligible for entry into the 
COB. The proposed rule change will apply in the same manner to all 
Market-Makers in the classes in which the Exchange permits the proposed 
activity. The proposed rule change has no impact on intermarket 
competition, as it relates solely to orders that the Exchange permits 
to rest in its COB.

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

    The Exchange neither solicited nor received comments on the 
proposed rule change.

[[Page 7096]]

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 up to 90 days (i) as the 
Commission may designate 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 will:
    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 [email protected]. Please include 
File Number SR-CBOE-2018-016 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-CBOE-2018-016. 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 such 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-CBOE-2018-016, and should be submitted 
on or before March 9, 2018.

    For the Commission, by the Division of Trading and Markets, 
pursuant to delegated authority.\15\
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    \15\ 17 CFR 200.30-3(a)(12).
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Eduardo A. Aleman,
Assistant Secretary.
[FR Doc. 2018-03197 Filed 2-15-18; 8:45 am]
BILLING CODE 8011-01-P