FINRA proposed amending Rules 6110 ("Trading Otherwise Than on an Exchange") and 6610 ("General") to expand the summary firm data that FINRA publishes on its website regarding OTC equity trading.

Under the proposed amendments, FINRA would publish monthly block trading statistics for trades in National Market System stocks occurring outside of an alternative trading system ("ATS"). Such data would be published on the same terms as currently released ATS block trading statistics. The amendments also would remove the de minimis exception (for firms executing fewer than 200 non-ATS transactions per day) and publish firms' aggregated non-ATS volume on an attributed basis.

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