Fannie Mae also know as The Federal National Mortgage Association or FNMA is a United States government-sponsored enterprise which purpose is to expand the secondary mortgage market by securitizing mortgage loans in the form of mortgage-backed securities (MBS)
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.
Failures to deliver for Fannie Mae
(FNMAL) - 3 months history
Number of shares, 3 months chart
Biweekly Failures to deliver volume for Fannie Mae
(FNMAL) - since 2013
Volume in USD (price x number of shares), data since 2013
Fannie Mae
(FNMAL) Failure to deliver volume, Year over Year