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Tuesday, July 28, 2009

Case-Shiller Prices Fall in May Seasonally Adjusted

by Calculated Risk on 7/28/2009 09:41:00 AM

Just a note to the previous post.

Case-Shiller has released the Seasonally Adjusted house price index.

Prices fell slightly in May (compared to April) for the Composite 10 and Composite 20 indexes.

Seasonally adjusted, prices fell in 12 of the 20 Case Shiller cities.

There is a strong seasonal pattern to house prices, and it is important to use the SA data. Unfortunately Case-Shiller did not release the SA data earlier this morning. This has lead to numerous incorrect headlines about prices increasing from April to May. That is correct, if they mention the data is Not Seasonally Adjusted.