Coverage:  We provide a daily list of restricted securities, aggregated from multiple USA exchanges, so that you can comply with Reg SHO short sale restrictions. The Securities & Exchange Commission (SEC) enacted the Regulation SHO (Reg SHO) back in 2005 to address issues in the USA markets with instances of failure to deliver and potentially abusive naked short selling. As part of Reg SHO, the National Securities Clearing Corporation (NSCC) publishes a daily public accounting called the “Threshold Securities List” that documents all instances of delivery on a security is not made within the allotted settlement period. 

A security will make the Threshold Securities List if it meets the following criteria over five (5) consecutive settlement days: 

• The total number of fails to deliver exceed 10,000 shares, 
• The total number of shares that have failed to deliver exceed 0.5% of the outstanding shares, and 
• The security is listed on a similar list by a self-regulatory organization. 

Once a company is added to the Threshold Securities List it remains there until the 'fails' fall beneath the benchmark standards for five (5) consecutive trading days. Many stocks that have allegedly seen naked short selling will end up on the Threshold Securities List.

We aggregate daily Threshold Securities Lists from: 

• NASDAQ Stock Market
• New York Stock Exchange
• NYSE Arca
• NYSE MKT
• OTC Markets

We clearly identify each security on the Threshold Securities List by including such security reference data as:

• Ticker Symbol
• Issuer / Company Name
• ISIN
• Exchange

Updates:  Data is updated daily.

Delivery:  Bulk files are delivered as delimited text files via download. API also available.

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