Now this chart can be a little misleading. The two lines are for average Sold price (red) and average List price (green).  At first glance you might see the obvious gap between the lines and think they listed it for X but it only sold for Y. 

But that’s not what it’s telling us.

1) Instead it is showing the average List price for units coming on the market that month in Green.  

And, 2) The average price of units that sold that month in Red