Standard & Poors released its Case-Shiller Index for the month of January this week. The index is a home valuation tool, measuring the monthly and annual changes in home prices in select cities nationwide.

January’s Case-Shiller Index gave a poor showing. As compared to December 2010, home values dropped in 19 of the Case-Shiller Index’s 20 tracked markets. Only Washington, D.C. gained. The results were only modestly better on an annual basis, too.

18 of 20 markets worsened in the 12 months ending January 2011.

According to the report, values are down 3.1% from last year, retreating to the same levels from Summer 2003. As a buyer or seller in today’s market, though, don’t read too much into it. The Case-Shiller Index is far too flawed to be the final word in housing.

The index has 3 main flaws, in fact.

The first flaw is the Case-Shiller Index’s lack of breadth. The report is positioned as a national index, but its data is sourced from just 20 cities nationwide.

Putting that number in perspective: the Case-Shiller Index tracks home values from fewer than 1% of the 3,100 U.S. municipalities — yet still calls the report a “U.S. Average”.

A second flaw in the Case-Shiller Index is how it measures home price changes, specifically. Because the index only considers “repeat sales” of the same home in its calculations, and only tracks single-family, detached property, it doesn’t capture the “full” U.S. market. Condominiums, multi-family homes, and new construction are ignored in the Case-Shiller Index algorithm. 

In some regions, homes of these excluded types represent a large percentage of the market.

And, lastly, the Case-Shiller Index is flawed because of the amount of time required to release it.

Today, it’s almost April and we’re talking about closed home resales from January which is really comprised of homes that went under contract in October — close to 6 months ago. Sales prices from 6 months ago is of little value to today’s North Padre Island home buyer, of course.

The Case-Shiller Index can be a helpful tool for economists and policy-makers trying to make sense of the broader housing market, but it tends to fail for individuals in Cinnamon Shores like you and me. When you want accurate, real-time housing figures for your local market, talk to your real estate professional instead.

Filed under: Housing Analysis by Julie Woodward
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For the 17th straight month, the Case-Shiller Index reports that home values are rising across the United States. As compared to June, July’s prices were up by 4 percent.

However, despite the improvement, July’s Case-Shiller Index showed weaker as compared to prior months.

• In June, just 3 cities posted year-to-year reductions in home value. In July, 10 of 20 did.
• In June, just 1 city posted a month-to-month reduction in home value. In July, 7 of 20 did.

As a spokesperson for Case-Shiller said, values “crept forward” in July. But not that it matters — the Case-Shiller Index is a better tool for economists than it is for homeowners in Corpus Christi. This is for 3 reasons.

First, the Case-Shiller Index is on a 60-day delay but real estate sales are based on prices today. A lot can change in 60 days, and it often does. Therefore, the Case-Shiller Index is a better snapshot of the former market than the current one.

Second, the Case-Shiller Index is geographically-limited. It tracks just 20 cities, ignoring some of the largest metropolitan areas in the country including Houston, Philadelphia, and San Jose. Smaller cities like Tampa are included.

And, lastly, national real estate data remains somewhat useless anyway. All real estate is local, rendering citywide statistics too broad to have any real meaning to an individual. To find out what’s happening on a neighborhood-by-neighborhood level, you can’t look to a national survey — you have to look to a local real estate agent instead.

Filed under: Housing Analysis by Julie Woodward
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According to the Standard & Poors Case-Shiller Index, home values rose 5 percent in June versus the month prior, and 4 percent from a year earlier.  It’s the 16th consecutive month in which Case-Shiller reported an increase in home values and the third straight month of outstanding results.

That said, homeowners and home buyers in North Padre Island would do well to temper Case-Shiller enthusiasm. The June figures are issued on 60-day delay and, over the last 60 days, housing data has been lackluster at best.

• Existing Home Sales are down 27 percent
• New Home Sales are down 12 percent
• Homebuilder confidence is down

Stories like these highlight a key weakness of the Case-Shiller Index — it’s out of date as soon as it’s published. Because of this, the Case-Shiller Index relevance to everyday Americans is muted. People don’t buy homes in the “60 days ago” real estate market, after all.

June is ancient real estate history to buyers and sellers in Beachwalk.

However, the Case-Shiller Index does have its place. As the most widely-followed, private-sector housing tracker, the index is used to help make policy decisions and to shape Wall Street’s expectations of the economy. This means that a strong Case-Shiller reading can cause mortgage rates to rise, and a weak Case-Shiller reading can cause rates to fall.

Tuesday, mortgage rates fell.

Filed under: Housing Analysis by Julie Woodward
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Standard & Poors released its Case-Shiller Index Tuesday. On a seasonally-adjusted basis, between April and May 2010, home prices rose in 19 of Case-Shiller’s 20 tracked markets.  It’s the second straight month of strong Case-Shiller findings.

Also, May’s numbers are a mirror-image of February’s. In February, 19 of 20 markets lost value.

In its press release, the Case-Shiller staff resisted calling May’s data proof of a housing recovery, noting that home values remain flat as compared to October of last year. However, there are some noteworthy numbers in the Case-Shiller report.

1. 13 of the 20 tracked cities are showing home price improvement year-over-year
2. Foreclosure posterchlld San Diego has now shown 13 straight months of improvement
3. San Diego, San Francisco and Minneapolis are showing double-digit annual growth

These are all good signs for the housing market, but the Case-Shiller Index is not without its flaws. Most notably, the data is limited to just 20 cities nationwide — and they’re not even the 20 largest ones. 

Cities like Houston, Philadelphia, and San Jose are excluded from Case-Shiller, while cities like Tampa (#54) are not.

Another Case-Shiller flaw is that it reports on a 2-month delay.

Therefore, today is several days from the start of August but we’re now reflecting on data from May. Given the speed at which the North Padre Island real estate market can change, May’s data is almost ancient.  Today’s values may be higher or lower than what Case-Shiller reports.

For home buyers, reports like the Case-Shiller Index may not be useful in making a “Buy or Not Buy” decision, but can aid in watching longer-term trends in housing.  For real-time data, talk to a real estate agent with access to local figures instead.

Filed under: Housing Analysis by Julie Woodward
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