December is not the most popular time to list a home for sale historically, but this past December it was particularly unpopular. The supply of homes for sale was 12% lower compared with December 2018, according to realtor.com. The decline was much steeper than the 9.5% annual drop in November. Demand is so strong, that whatever is on the market is going quickly.

источник данных : https://www.cnbc.com/2020/01/08/the-shortage-of-homes-for-sale-is-getting-much-worse-even-in-luxury.html