The percentage of all housing units in the country that received a foreclosure filing last month. This comes to one unit out of every 634 housing units in the country. Analysts predict that lenders will actually increase foreclosure activity in the coming months in an effort to clear out the foreclosure pipeline. Should this trend continue, foreclosure prices will likely continue to push the cost of all housing down. In December 2011, the average discount on a foreclosure property versus a comparable property being sold conventionally was 34 percent.