You have three types of short sale numbers.. 1) The quantity of shorted shares traded each day. https://www.finra.org/finra-data/browse-catalog/short-sale-volume-data Which probably correlates with dark pool activity: https://chartexchange.com/symbol/nasdaq-lwlg/exchange-volume/ 2) The number of short shares in circulation that have been reported which would of course not include NSS: https://investorshub.advfn.com/boards/read_msg.aspx?message_id=170921173 Discussion of short interest with charts below. Over the weekend I will try to revive my DBXL skills and do some analysis of the data item 1, correlating it with the chart: https://investorshub.advfn.com/boards/replies.aspx?msg=170799662 3) FTD data: https://www.sec.gov/data/foiadocsfailsdatahtm