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Common Mortgage Indices
Last Updated June 1, 1999
here are many indexes used for adjustable rate mortgages (ARMs).
The three most common indexes are:
- 1 Year US Treasury Security Adjusted to a Constant Maturity (CMT)
- Cost of Funds of the 11th District Federal Home Loan Bank (COFI)
- London InterBank Offering Rate (LIBOR) -- Monthly
The following graph and table compare the three common indexes.
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