SA = seasonally adjusted.
NSA = not seasonally adjusted.
SAAR = seasonally adjusted annual rate.
r = revised.
s = statistically significant.
n = not statistically significant.
u = statistical significance unavailable.
FHFA = Federal Housing Finance Agency.
NA = Not Available.
ARM = adjustable-rate mortgage.
DQ = delinquent.
FC = foreclosure.
FHA = Federal Housing Administration.
VA = U.S. Department of Veterans Affairs.
PMI = private mortgage insurance.
GDP = Gross Domestic Product.
URE = usual residence elsewhere.

Note: Components may not add to totals because of rounding.

* The share of previous-quarter shipments sold for residential use within four months of being shipped.

** Commitment (advertized) rates on the 5-Yr ARM are now reported in place of rates on the 1-Yr ARM. Freddie Mac discontinued surveying lenders on the 1-Yr ARM as of January 2016.

*** FHA market share estimates are based on new methodology beginning with the Q3 2013 report; estimates were revised back through Q1 2011. See the FHA Market Share report on their website for an explanation of the new methodology: http://portal.hud.gov/hudportal/HUD?src=/program_offices/housing/rmra/oe/rpts/fhamktsh/fhamktqtrly.

**** FHA mortgage applications and endorsements data have been revised to exclude Home Equity Conversion Mortgages (HECM) beginning with the Q3 2013 release.

***** Source: USMI (U.S. Mortgage Insurers), the trade association for the PMI industry. The data represent PMI Certificates issued by five of the six major PMI companies: Essent (Essent Guaranty, Inc.), Genworth (Genworth Mortgage Insurance Corp.), MGIC (Mortgage Guaranty Insurance Corp.), NMI (National Mortgage Insurance Corporation), and Radian (Radian Guaranty Inc.). A sixth major PMI insurer, Arch (Arch Mortgage Insurance Co.), has not been represented since 2Q 2016.