Reading Time: 4 minutes I was just trying to figure out why DTC-2021-005 disappeared from the SEC website. Why it matters. This is the DTCC regulatory change that would essentially kill the supposedly illegal, but well known practice of naked short selling. As user Tavurth over on elitetrader.com summarized, “DTC-2021-005 would mean, Securities can’t be “borrowed” more than once Some securities won’t… Continue reading DTC-2021-005 is supposed to be the regulatory change that will curtail naked short selling. It was removed from the DTCC website last month under the guise of ‘final formatting changes’. I don’t think it’s coming back. Here’s why.