American Electric Power Company, Inc., or AEP for short, is one of the largest energy companies in the United States. The company powers parts of 11 states in the United States and employs around 17,666 people.
A Failure to deliver also known as fails-to-deliver or FTD occurs when a buyer or seller is unable to meet his trading obligations. FTDs for US listed companies are reported to the SEC and published twice a month. Therefore there is a certain delay between the reporting and the publishing of the data.
Number of shares, 3 months chart