Moh, Steve, Rich, Denis
First, I do not believe at all that Fannie is asking for a forecast in the typical assignment. Given their own definition of market value contained right in the certification pages, they clearly intned this to be exposure time- hence, not marketing time.
The fact that Fannie gets it terminology wrong is not a surprise given all the hand wringing over terminology and wording going on right now, as Denis notes.
I think Moh hits the nail right on the head on the foreclosures. But what Fannie, and other FC/REO clients want are really three values- one assumng typical exposure time on the market- i.e., exposure time (as is), AND a forecasted value assuming a subsequent reduced marketing time ( you could call this quick sale or liquidation value- and you do need to define it- again, as is) and finally an "as repaired" value under the same reduced marketing time- normally 120 days.
Brad