Determining DOM for HUD

[Stan Butler]

I download the HUD information into my own spreadsheet every day and track the movement of prices over time and the sales price / list price ratios. I am trying to figure out the most accurate way to determine DOM. I can pull the Appraisal Date, which doesnt seem to ever change. The List Date changes all the time based on a property going under contract and falling back out. I dont think HUD includes the time the property was under contract as counting toward the real DOM. So my question is whats the best way to determine the DOM from HUDs perspective??