The Bloomberg Econoday Consensus was for a month-over-month rise of 0.1%, instead prices declined by -0.2%.

Case-Shiller is reporting what is becoming striking weakness in home prices, at -0.2 percent in July for the adjusted 20-city index which, after a downward revision to June, is the third straight 2 tenths decline. Twelve of 20 cities show contraction in the month with the deepest for a third straight month in a row coming from Chicago at minus 1.2 percent. Year-on-year readings are all still positive led by San Francisco at plus 10.4 percent with Washington DC at the bottom at 1.7 percent.

Year-on-year, the 20-city index, whether adjusted or unadjusted, is at plus 5.0 percent vs 4.9 percent in July. The unadjusted month-to-month index, reflecting summer strength in home sales, was up 0.6 percent in August for however the weakest reading since the winter weather of February.