Mortgage rates: Where's the bottom?

The average rate for a 30-year fixed rate mortgage dropped 2 basis points to 3.965 percent since last week, while the purchase application volume increased 0.9 percent and the refinance application declined 2.2 percent over the same period.

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    This chart shows the average interest rate of 30- and 15-year fixed rate mortgages over the past four years. Rates keep trending downward with no end in sight.
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The Mortgage Bankers Association (MBA) publishes the results of a weekly applications survey that covers roughly 50 percent of all residential mortgage originations and tracks the average interest rate for 30 year and 15 year fixed rate mortgages as well as the volume of both purchase and refinance applications.
The purchase application index has been highlighted as a particularly important data series as it very broadly captures the demand side of residential real estate for both new and existing home purchases.

The latest data is showing that the average rate for a 30 year fixed rate mortgage (from FHA and conforming GSE data) declined 2 basis points to 3.965% since last week while the purchase application volume increased 0.9% and the refinance application declined 2.2% over the same period.

With rates trending ever lower, the economy weak and the FOMC members remaining dovish, it will be interesting to see how far rates on the long end can decline.  All things being equal, falling home prices, declining purchase applications and record low long lending rates all appear to indicate a deflationary for the macro-economy.

Recommended: How home prices are faring in six 2012 swing states

The following chart shows the average interest rate for 30 year and 15 year fixed rate mortgages since 2006 as well as the purchase, refinance and composite loan volumes (click for larger dynamic full-screen version).

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