Regulation SHO

The U.S. Securities and Exchange Commission adopted Regulation SHO on June 28, 2004, and compliance began on January 3, 2005. Reg SHO requires that every self-regulatory organization disseminate a daily list of its threshold securities.

Select a market below to access daily and archived lists of threshold securities, and learn more.

Threshold Securities Files

Monthly Short Sale Data - NYSE Arca

NYSE Arca short sale data is available monthly by subscription. Email ArcaVision@nyx.com to subscribe to NYSE Arca short sale data.