ARM Index Rates: Libor Rates, Prime Rate and Other Leading Interest Rate Indexes
If you have an Adjustable Rate Mortgage, your ARM is tied to an index which governs changes in your loan's interest rate and, thus, your payments. This page lists historic values of major ARM indexes used by mortgage lenders and servicers. Check the latest values of many of these indexes.
ARM holders can use these ARM indexes with our ARM Check Kit™ to verify the interest rate adjustments on most types of ARMs.
Lenders and servicers can access the latest ARM indexes on a daily basis via e-mail or via our web service.
HSH also offers a wide variety of mortgage statistics.
Daily US & International Rates - Last update: 07/31/2015
|Federal Funds Rate||0.14%||0.14%||0.14%|
|Overnight Libor (1 day delay)||0.13%||0.13%||0.13%||Fannie Mae 30/60||3.59%||3.62%||3.64%|
|6 Month Libor (1 day delay)||0.47%||0.47%||0.47%||10 Year Treasury Security||2.29%||2.26%||2.38%|
|The Prime Rate||3.25%||3.25%||3.25%|
Historical Data by Index
|Treasury Securities / Treasury Constant Maturities (TCM)||Year|
|1, 3, 5 year Treasury Constant Maturity Series||1985-current|
|2, 7, 10, 20 and 30-year Constant Maturity Series||1985-current|
|MTA - Moving Treasury Average (aka 12-MAT)||1991-current|
|11th District COF||1980-1989 1990-1999||2000-2009 2010-on|
|Monthly Median Annualized COF||1990-1999 2000-2009||2010-on|
|Federal Cost of Funds (FedCof)||2010-on|
|National Mortgage Contract Rate||1980-1989 1990-1999||2000-2009 2010-on|
|6-Month Secondary Market CD Rates||1960-1969 1970-1979 1980-1989||1990-1999 2000-2009 2010-on|
|HSH Libor (replaces FNMA Libor)||2000-2009||2010-on|
|Fannie Mae Libor
|Cost of Deposit Index (CODI)||1990-1999 2000-2009||2010-on|
|WSJ Prime Rate||1970-1979 1980-1989||1990-1999 2000-on|
|ARM Conversion factors||Fannie Mae||Freddie Mac|
|Federal Funds Rate||2001-current|
HSH strives to provide reliable, useful information, but does not guarantee that the information above is accurate.
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About HSH Data
HSH Associates, Financial Publishers, is the nation's largest publisher of mortgage information. We contact mortgage lenders across the country every week to collect their latest loan offerings.
Wall Street firms, secondary marketers, and others commission HSH to conduct surveys on varied aspects of financial products and services, including wholesale rates; fees; commitment periods; and more. Please see our catalog for industry professionals . Homebuyers and refinancers use our services to shop for the best mortgage for their needs -- please see our consumer catalog.