Dissemination of quotations in NMS securities.

17 C.F.R. § 242.602
in effectEffective: 2024-07-01
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(a) Dissemination requirements for national securities exchanges and national securities associations. (1) Every national securities exchange and national securities association shall establish and maintain procedures and mechanisms for collecting bids, offers, quotation sizes, and aggregate quotation sizes from responsible brokers or dealers who are members of such exchange or association, processing such bids, offers, and sizes, and making such bids, offers, and sizes available to vendors, as follows: (i) Each national securities exchange shall at all times such exchange is open for trading, collect, process, and make available to vendors the best bid, the best offer, and aggregate quotation sizes for each subject security listed or admitted to unlisted trading privileges which is communicated on any national securities exchange by any responsible broker or dealer, but shall not include: (A) Any bid or offer executed immediately after communication and any bid or offer communicated by a responsible broker or dealer other than an exchange market maker which is cancelled or withdrawn if not executed immediately after communication; and (B) Any bid or offer communicated during a period when trading in that security has been suspended or halted, or prior to the commencement of trading in that security on any trading day, on that exchange. (ii) Each national securities association shall, at all times that last sale information with respect to NMS securities is reported pursuant to an effective transaction reporting plan, collect, process, and make available to vendors the best bid, best offer, and quotation sizes communicated otherwise than on an exchange by each member of such association acting in the capacity of an OTC market maker for each subject security and the identity of that member (excluding any bid or offer executed immediately after communication), except during any period when over-the-counter trading in that security has been suspended. (2) Each national securities exchange shall, with respect to each published bid and published offer representing a bid or offer of a member for a subject security, establish and maintain procedures for ascertaining and disclosing to other members of that exchange, upon presentation of orders sought to be executed by them in reliance upon paragraph (b)(2) of this section, the identity of the responsible broker or dealer who made such bid or offer and the quotation size associated with it. (3)(i) If, at any time a national securities exchange is open for trading, such exchange determines, pursuant to rules approved by the Commission pursuant to section 19(b)(2) of the Act (15 U.S.C. 78s(b)(2)), that the level of trading activities or the existence of unusual market conditions is such that the exchange is incapable of collecting, processing, and making available to vendors the data for a subject security required to be made available pursuant to paragraph (a)(1) of this section in a manner that accurately reflects the current state of the market on such exchange, such exchange shall immediately notify all specified persons of that determination. Upon such notification, responsible brokers or dealers that are members of that exchange shall be relieved of their obligation under paragraphs (b)(2) and (c)(3) of this section and such exchange shall be relieved of its obligations under paragraphs (a)(1) and (2) of this section for that security; provided, however, that such exchange will continue, to the maximum extent practicable under the circumstances, to collect, process, and make available to vendors data for that security in accordance with paragraph (a)(1) of this section. (ii) During any period a national securities exchange, or any responsible broker or dealer that is a member of that exchange, is relieved of any obligation imposed by this section for any subject security by virtue of a notification made pursuant to paragraph (a)(3)(i) of this section, such exchange shall monitor the activity or conditions which formed the basis for such notification and shall immediately renotify all specified persons when that exchange is once again capable of collecting, processing, and making available to vendors the data for that security required to be made available pursuant to paragraph (a)(1) of this section in a manner that accurately reflects the current state of the market on such exchange. Upon such renotification, any exchange or responsible broker or dealer which had been relieved of any obligation imposed by this section as a consequence of the prior notification shall again be subject to such obligation. (4) Nothing in this section shall preclude any national securities exchange or national securities association from making available to vendors indications of interest or bids and offers for a subject security at any time such exchange or association is not required to do so pursuant to paragraph (a)(1) of this section. (5)(i) Any national securities exchange may make an election for purposes of the definition of subject security in § 242.600(b)(101) for any NMS security, by collecting, processing, and making available bids, offers, quotation sizes, and aggregate quotation sizes in that security; except that for any NMS security previously listed or admitted to unlisted trading privileges on only one exchange and not traded by any OTC market maker, such election shall be made by notifying all specified persons, and shall be effective at the opening of trading on the business day following notification. (ii) Any member of a national securities association acting in the capacity of an OTC market maker may make an election for purposes of the definition of subject security in § 242.600(b)(101) for any NMS security, by communicating to its association bids, offers, and quotation sizes in that security; except that for any other NMS security listed or admitted to unlisted trading privileges on only one exchange and not traded by any other OTC market maker, such election shall be made by notifying its association and all specified persons, and shall be effective at the opening of trading on the business day following notification. (iii) The election of a national securities exchange or member of a national securities association for any NMS security pursuant to this paragraph (a)(5) shall cease to be in effect if such exchange or member ceases to make available or communicate bids, offers, and quotation sizes in such security. (b) Obligations of responsible brokers and dealers. (1) Each responsible broker or dealer shall promptly communicate to its national securities exchange or national securities association, pursuant to the procedures established by that exchange or association, its best bids, best offers, and quotation sizes for any subject security. (2) Subject to the provisions of paragraph (b)(3) of this section, each responsible broker or dealer shall be obligated to execute any order to buy or sell a subject security, other than an odd-lot order, presented to it by another broker or dealer, or any other person belonging to a category of persons with whom such responsible broker or dealer customarily deals, at a price at least as favorable to such buyer or seller as the responsible broker's or dealer's published bid or published offer (exclusive of any commission, commission equivalent or differential customarily charged by such responsible broker or dealer in connection with execution of any such order) in any amount up to its published quotation size. (3)(i) No responsible broker or dealer shall be obligated to execute a transaction for any subject security as provided in paragraph (b)(2) of this section to purchase or sell that subject security in an amount greater than such revised quotation size if: (A) Prior to the presentation of an order for the purchase or sale of a subject security, a responsible broker or dealer has communicated to its exchange or association, pursuant to paragraph (b)(1) of this section, a revised quotation size; or (B) At the time an order for the purchase or sale of a subject security is presented, a responsible broker or dealer is in the process of effecting a transaction in such subject security, and immediately after the completion of such transaction, it communicates to its exchange or association a revised quotation size, such responsible broker or dealer shall not be obligated by paragraph (b)(2) of this section to purchase or sell that subject security in an amount greater than such revised quotation size. (ii) No responsible broker or dealer shall be obligated to execute a transaction for any subject security as provided in paragraph (b)(2) of this section if: (A) Before the order sought to be executed is presented, such responsible broker or dealer has communicated to its exchange or association pursuant to paragraph (b)(1) of this section, a revised bid or offer; or (B) At the time the order sought to be executed is presented, such responsible broker or dealer is in the process of effecting a transaction in such subject security, and, immediately after the completion of such transaction, such responsible broker or dealer communicates to its exchange or association pursuant to paragraph (b)(1) of this section, a revised bid or offer; provided, however, that such responsible broker or dealer shall nonetheless be obligated to execute any such order in such subject security as provided in paragraph (b)(2) of this section at its revised bid or offer in any amount up to its published quotation size or revised quotation size. (4) Subject to the provisions of paragraph (a)(4) of this section: (i) No national securities exchange or OTC market maker may make available, disseminate or otherwise communicate to any vendor, directly or indirectly, for display on a terminal or other display device any bid, offer, quotation size, or aggregate quotation size for any NMS security which is not a subject security with respect to such exchange or OTC market maker; and (ii) No vendor may disseminate or display on a terminal or other display device any bid, offer, quotation size, or aggregate quotation size from any national securities exchange or OTC market maker for any NMS security which is not a subject security with respect to such exchange or OTC market maker. (5)(i) Entry of any priced order for an NMS security by an exchange market maker or OTC market maker in that security into an electronic communications network that widely disseminates such order shall be deemed to be: (A) A bid or offer under this section, to be communicated to the market maker's exchange or association pursuant to this paragraph (b) for at least the minimum quotation size that is required by the rules of the market maker's exchange or association if the priced order is for the account of a market maker, or the actual size of the order up to the minimum quotation size required if the priced order is for the account of a customer; and (B) A communication of a bid or offer to a vendor for display on a display device for purposes of paragraph (b)(4) of this section. (ii) An exchange market maker or OTC market maker that has entered a priced order for an NMS security into an electronic communications network that widely disseminates such order shall be deemed to be in compliance with paragraph (b)(5)(i)(A) of this section if the electronic communications network: (A)(1) Provides to a national securities exchange or national securities association (or an exclusive processor acting on behalf of one or more exchanges or associations) the prices and sizes of the orders at the highest buy price and the lowest sell price for such security entered in, and widely disseminated by, the electronic communications network by exchange market makers and OTC market makers for the NMS security, and such prices and sizes are included in the quotation data made available by such exchange, association, or exclusive processor to vendors pursuant to this section; and (2) Provides, to any broker or dealer, the ability to effect a transaction with a priced order widely disseminated by the electronic communications network entered therein by an exchange market maker or OTC market maker that is: (i) Equivalent to the ability of any broker or dealer to effect a transaction with an exchange market maker or OTC market maker pursuant to the rules of the national securities exchange or national securities association to which the electronic communications network supplies such bids and offers; and (ii) At the price of the highest priced buy order or lowest priced sell order, or better, for the lesser of the cumulative size of such priced orders entered therein by exchange market makers or OTC market makers at such price, or the size of the execution sought by the broker or dealer, for such security; or (B) Is an alternative trading system that: (1) Displays orders and provides the ability to effect transactions with such orders under § 242.301(b)(3); and (2) Otherwise is in compliance with Regulation ATS (§ 242.300 through § 242.303). (c) Transactions in listed options. (1) A national securities exchange or national securities association: (i) Shall not be required, under paragraph (a) of this section, to collect from responsible brokers or dealers who are members of such exchange or association, or to make available to vendors, the quotation sizes and aggregate quotation sizes for listed options, if such exchange or association establishes by rule and periodically publishes the quotation size for which such responsible brokers or dealers are obligated to execute an order to buy or sell an options series that is a subject security at its published bid or offer under paragraph (b)(2) of this section; (ii) May establish by rule and periodically publish a quotation size, which shall not be for less than one contract, for which responsible brokers or dealers who are members of such exchange or association are obligated under paragraph (b)(2) of this section to execute an order to buy or sell a listed option for the account of a broker or dealer that is in an amount different from the quotation size for which it is obligated to execute an order for the account of a customer; and (iii) May establish and maintain procedures and mechanisms for collecting from responsible brokers and dealers who are members of such exchange or association, and making available to vendors, the quotation sizes and aggregate quotation sizes in listed options for which such responsible broker or dealer will be obligated under paragraph (b)(2) of this section to execute an order from a customer to buy or sell a listed option and establish by rule and periodically publish the size, which shall not be less than one contract, for which such responsible brokers or dealers are obligated to execute an order for the account of a broker or dealer. (2) If, pursuant to paragraph (c)(1) of this section, the rules of a national securities exchange or national securities association do not require its members to communicate to it their quotation sizes for listed options, a responsible broker or dealer that is a member of such exchange or association shall: (i) Be relieved of its obligations under paragraph (b)(1) of this section to communicate to such exchange or association its quotation sizes for any listed option; and (ii) Comply with its obligations under paragraph (b)(2) of this section by executing any order to buy or sell a listed option, in an amount up to the size established by such exchange's or association's rules under paragraph (c)(1) of this section. (3) Thirty second response. Each responsible broker or dealer, within thirty seconds of receiving an order to buy or sell a listed option in an amount greater than the quotation size established by a national securities exchange's or national securities association's rules pursuant to paragraph (c)(1) of this section, or its published quotation size must: (i) Execute the entire order; or (ii)(A) Execute that portion of the order equal to at least: (1) The quotation size established by a national securities exchange's or national securities association's rules, pursuant to paragraph (c)(1) of this section, to the extent that such exchange or association does not collect and make available to vendors quotation size and aggregate quotation size under paragraph (a) of this section; or (2) Its published quotation size; and (B) Revise its bid or offer. (4) Notwithstanding paragraph (c)(3) of this section, no responsible broker or dealer shall be obligated to execute a transaction for any listed option as provided in paragraph (b)(2) of this section if: (i) Any of the circumstances in paragraph (b)(3) of this section exist; or (ii) The order for the purchase or sale of a listed option is presented during a trading rotation in that listed option. (d) Exemptions. The Commission may exempt from the provisions of this section, either unconditionally or on specified terms and conditions, any responsible broker or dealer, electronic communications network, national securities exchange, or national securities association if the Commission determines that such exemption is consistent with the public interest, the protection of investors and the removal of impediments to and perfection of the mechanism of a national market system.

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