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New Data: U.S. - S&P/Case-Shiller® Home Price Index - SA Tiered Indices
Tuesday, 27 Jan 2009 10:03 ET
By Phillip Thorne
Starting with the September 2008 release, the S&P/Case-Shiller® Home Price Index dataset now includes seasonally-adjusted tiered indices and price breaks for 17 metro areas (85 monthly series).

The monthly tiered indices are available as early as January 1987.  The price break time series start only at September 2008, because the source does not provide history.  Both the tiered indices and price breaks are seasonally adjusted (SA), but the sale pair counts (previously available) are not.

Concept Description
  Tiered price indices (Jan. 2000 = 100, SA)
HCSHP1TIM Aggregate
  Price tier breakpoints (U.S. dollars, SA)
HCSHP1L$M Low/middle break
HCSHP1H$M Middle/high break

The tiered indices are produced by arranging the sales pairs for a period (three-month rolling period) by increasing price, then dividing into equal thirds: low-priced sales, mid-priced sales, and high-priced sales.  Since the price distribution varies by time and place, the price breaks are included as ancillary data.  Given these data, it's impossible to calculate the minimum or maximum prices for the aggregate, or the median or average prices for the tiers or aggregate.

The aggregate indices (concept code HCSHP1TIM) appear in both the "Aggregate Only" and "Tiered" datasets.  The tiered indices and price breaks are published at 9:30 a.m. ET on the day of release (the last Tuesday of each month), 30 minutes after the "Aggregate Only" figures.

These concept codes match those for the analogous data from the quarterly Fiserv Case-Shiller® Home Price Index (available separately through DataBuffet.com®).  The older incompatible mnemonics will still work.

The tiered data are available for 17 selected major metro areas.  For Charlotte, Dallas and Detroit, only the aggregate index is available.  The New York Commuter area (geo code MNEY) consists of the New York MSA, augmented by the source with additional counties in adjacent states.

Geo Code Description Start
MPHO AZ - Phoenix 1987
MLOS CA - Los Angeles 1987
MSAN CA - San Diego 1989
MSAF CA - San Francisco 1987
MDEN CO - Denver 1987
MWAS DC - Washington 1987
MMIA FL - Miami 1987
MTAM FL - Tampa 1987
MATL GA - Atlanta 1991
MCHI IL - Chicago 1992
MBOS MA - Boston 1987
MMIN MN - Minneapolis 1987
MLAS NV - Las Vegas 1993
MNEY NY - New York Commuter 1987
MCLE OH - Cleveland 1987
MPOT OR - Portland 1987
MSEA WA - Seattle 1990

Related Release[DISCONTINUED] - S&P/Case-Shiller® Home Price Indexes - Additional
SourceS&P Dow Jones Indices LLC
GeographyUnited States