Original Price vs Sold Price

Very interesting chart. On december of 2015, sold prices are higher than original prices. January & February sold prices are lower than original prices.Results calculated from approximately 320,000 listings.Time frame is from Mar 2015 to Feb 2016. 

Data are as follows: 

Month Original Price, Median Sale Price, Median Mar 2015 $469,900 $435,000 Apr 2015 $475,000 $436,000 May 2015 $479,200 $435,000 Jun 2015 $487,000 $442,500 Jul 2015 $499,000 $450,000 Aug 2015 $485,000 $457,000 Sep 2015 $488,000 $455,000 Oct 2015 $484,900 $450,000 Nov 2015 $470,000 $459,900 Dec 2015 $440,000 $465,000 Jan 2016 $479,900 $450,000 Feb 2016 $499,157 $450,000