Written by Steven Hansen
The non-seasonally adjusted S and P CoreLogic Case-Shiller home price index (20 cities) year-over-year rate of home price growth slowed from 3.0 % last month. The index authors stated “Home price gains continue to slow. The patterns seen in the last year or more continue: year-over-year price gains in most cities are consistently shrinking”.
Analyst Opinion of Case-Shiller HPI
Home prices sooner or later needed to moderate. This month the slowing year-over-year growth rate is good news for the economy.
- 20 city unadjusted home price rate of growth decelerated 0.3 % month-over-month. [Econintersect uses the change in year-over-year growth from month-to-month to calculate the change in the rate of growth]
- Note that the Case-Shiller index is an average of the last three months of data.
- The market expected from Econoday:
| Consensus Range | Consensus | Actual | |
| 20-city, SA – M/M | 0.2 % to 0.3 % | +0.2 % | +0.1 % |
| 20-city, NSA – M/M | 0.3 % to 0.5 % | +0.3 % | +0.7 % |
| 20-city, NSA – Yr/Yr | 2.2 % to 3.2 % | 2.5 % | +2.7 % |
S&P/Case-Shiller Home Price Indices Year-over-Year Change

Comparing the NAR and Case-Shiller home price indices, it needs to be understood each of the indices uses a unique methodology in compiling their index – and no index is perfect.
The way to understand the dynamics of home prices is to watch the direction of the rate of change. Here home price growth generally appears to stabilize (rate of growth not rising or falling).
There are some differences between the indices on the rate of “recovery” of home prices.
A synopsis of Authors of the Leading Indices:
Case Shiller’s David M. Blitzer, Chairman of the Index Committee at S&P Indices:
Home price gains continue to slow. The patterns seen in the last year or more continue: year-over-year price gains in most cities are consistently shrinking. Double-digit annual gains have vanished. The largest annual gain was 8.2% in Las Vegas; one year ago, Seattle had a 13% gain. In this report, Seattle prices are up only 1.6%. The 20-City Composite dropped from 6.7% to 2.7% annual gains over the last year as well. The shift to smaller price increases is broad-based and not limited to one or two cities where large price increases collapsed. Other housing statistics tell a similar story. Existing single family home sales are flat. Since 2017, peak sales were in February 2018 at 5.1 million at annual rates; the weakest were 4.36 million in January 2019. The range was 650,000.
Given the broader economic picture, housing should be doing better. Mortgage rates are at 4% for a 30-year fixed rate loan, unemployment is close to a 50-year low, low inflation and moderate increases in real incomes would be expected to support a strong housing market. Measures of household debt service do not reveal any problems and consumer sentiment surveys are upbeat. The difficulty facing housing may be too-high price increases. At the currently lower pace of home price increases, prices are rising almost twice as fast as inflation: in the last 12 months, the S&P Corelogic Case-Shiller National Index is up 3.7%, double the 1.9% inflation rate. Measured in real, inflation-adjusted terms, home prices today are rising at a 1.8% annual rate. This compares to a 1.2% real annual price increases in housing since 1975.
CoreLogic believes affordability is slowing home price growth (March 2019 Data). Per Dr. Ralph McLaughlin, deputy chief economist at CoreLogic and Frank Martell, president and CEO of CoreLogic stated:
The U.S. housing market continues to cool, primarily due to some of our priciest markets moving into frigid waters. But the broader market looks more temperate as supply and demand come into balance. With mortgage rates flat and inventory picking up, we expect more buyers to take advantage of easing housing market headwinds.
The cost of either buying or renting in expensive markets puts a significant strain on most consumers. Nearly half of survey respondents – 44% of renters – cited the cost to rent in high-priced housing markets as the number one barrier to entry into homeownership. This is potentially forcing renters to wait longer to have the necessary down payment in these communities.
The National Association of Realtors worries about inventory (Aprl 2019 data):
Lawrence Yun, NAR’s chief economist, said he is not overly concerned about the 0.4% dip in sales and expects moderate growth very soon. “First, we are seeing historically low mortgage rates combined with a pent-up demand to buy, so buyers will look to take advantage of these conditions,” he said. “Also, job creation is improving, causing wage growth to align with home price growth, which helps affordability and will help spur more home sales.”
“We see that the inventory totals have steadily improved, and will provide more choices for those looking to buy a home,” Yun said. He notes that sellers have to realize that price growth has moderated. “When placing their home on the market, home sellers need to be very realistic and aware of the current conditions.”
Yun says that college student debt continues to hinder millennial homebuyers. “Given the record high job openings in the construction sector, some may want to take a gap year to work there and save, and thereby lessen the student debt burden.”
“I think the market had a bit of a slow start in the Fall, but Realtors® all over the country have been telling me that April was a nice rebound. We’re hopeful and expect that this will continue heading into the summer,” said NAR President John Smaby, a second-generation Realtor® from Edina, Minnesota and broker at Edina Realty. “Homes over the last month sold quickly, which is not only a win-win for buyers and sellers, but it’s also great for the real estate industry.”
The U.S. Federal Housing Finance Agency produces an All-Transactions House Price Index for the United States:

Econintersect publishes knowledgeable views of the housing market.
Caveats on the Use of Home Price Indices
The housing price decline seen since 2005 varies by zip code – and seems to have ended somewhere around the beginning of the 2Q2012. Every area of the country has differing characteristics. Since January 2006, the housing declines in Charlotte and Denver are well less than 10%, while Las Vegas home prices had declined almost 60%.
Each home price index uses a different methodology – and this creates slightly different answers.
The most broadly based index is the US Federal Housing Finance Agency’s House Price Index (HPI) – a quarterly broad measure of the movement of single-family house prices. This index is a weighted, repeat-sales index on the same properties in 363 metro centers, compared to the 20 cities Case-Shiller.
The US Federal Housing Finance Agency also has an index (HPIPONM226S) based on 6,000,000 same home sales – a much broader index than Case-Shiller. Also, there is a big difference between home prices and owner’s equity (OEHRENWBSHNO) which has been included in the graph below.
Comparing Various Home Price Indices to Owner’s Equity (blue line)


The affordability factor favors rental vs owning.
Price to Rent Ratio – Indexed on January 2000 – Based on Case-Shiller 20 cities index ratio to CPI Rent Index

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