A build-up of work that needs to be taken care of. The term "backlog" has a number of uses in finance. It may refer to a company's sales orders waiting to be filled or a stack of financial paperwork that needs to be processed, such as loan applications. When a public company has a backlog there can be implications for shareholders, because the backlog may have an impact on the company's future earnings, as the company is unable to meet demand. A backlog is generally something that companies want to avoid.
The 2008 housing crisis resulted in a backlog of foreclosures in which lenders had a large inventory of residential properties that they needed to sell and get off the books. With homes going into foreclosure at a much faster rate than usual, lenders did not have the capacity to process all the foreclosures in a timely manner. Another example of a problematic backlog occurred in 2009 in
Investment dictionary. Academic. 2012.