Dissemination of Quotations -- Rule 602 of Regulation NMS

This disclosure requirement obligates each national securities exchange and national securities association to make available to quotation vendors for dissemination to the public the best bid, best offer, and aggregate quotation size for each “subject security,” as defined under the Rule. Rule 602 of Regulation NMS contains two related collections of information. The first collection of information is found in Rule 602(a). This disclosure requirement obligates each national securities exchange and national securities association to make available to quotation vendors for dissemination to the public the best bid, best offer, and aggregate quotation size for each “subject security,” as defined under the Rule. The second collection of information is found in Rule 602(b). This disclosure requirement obligates exchange members and over-the-counter (“OTC”) market makers that are a “responsible broker or dealer,” as defined under the Rule, to communicate to an exchange or association their best bids, best offers, and quotation sizes for subject securities.

The latest form for Dissemination of Quotations -- Rule 602 of Regulation NMS expires 2023-02-28 and can be found here.