What on earth does this chart mean? (Click to make it bigger)


I was wondering how prices in various MLS Districts in San Francisco were doing relative to each other and to San Francisco as a whole so I graphed the monthly median prices of single family homes in all but the southernmost districts (3 and 10) for January 2005 through September 2008 and came up with this beauty.  (Please click on it to enlarge.)

So, a couple of things jump out.  Northeast District 8 (the pale dotted line), which includes tony areas like Russian Hill and Telegraph Hill as well as the Financial District, is all over the place in terms of price swings.  There are very few transactions from month to month (sometimes none at all) because there are so few single family homes in those areas.  Bottom line:  forgeddaboutit. ...  Additional Details