Self-aggregator
(83) Self-aggregator means a broker, dealer, national securities exchange, national securities association, or investment adviser registered with the Commission that receives information with respect to quotations for and transactions in NMS stocks, including all data necessary to generate consolidated market data, and generates consolidated market data solely for internal use. A self-aggregator may make consolidated market data available to its affiliates that are registered with the Commission for their internal use. Except as provided in the preceding sentence, a self-aggregator may not disseminate or otherwise make available consolidated market data, or components of consolidated market data, as provided in paragraph (b)(20) of this section, to any person.