3/1 Adjustable Rate Mortgage (3/1 ARM or 3 year ARM)
Adjustable Rate Mortgage

3/1 ARM (3 year ARM)- the rate is fixed for a period of 3 years after which in the 4th year the loan becomes an adjustable rate mortgage (ARM). The adjustable rate is tied to the 1-year treasury index and is added to a pre-determined margin (usually between 2.25-3.0%) to arrive at your new monthly rate. Ask what the margin, life cap and periodic caps of your ARM will be in the 4th year. The loan is fully amortized (or paid off) in 30 years if the normal payment schedule is followed. (Also see anatomy of an ARM for additional information).


3/1 ARM Rate Quotes

1 Year T-Bill Index History - (Index usually used with 3/1 ARM)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2016 0.54 0.53 0.66 0.56 0.59 0.55 0.51 0.57 0.59 0.56    
2015 0.20 0.22 0.25 0.23 0.24 0.28 0.30 0.38 0.37 0.26 0.48 0.65
2014 0.12 0.12 0.13 0.11 0.10 0.10 0.11 0.11 0.11 0.10 0.13 0.21
2013 0.15 0.16 0.15 0.12 0.12 0.14 0.12 0.13 0.12 0.12 0.12 0.13
2012 0.12 0.16 0.19 0.18 0.19 0.19 0.19 0.18 0.18 0.18 0.18 0.16
2011 0.27 0.29 0.26 0.25 0.19 0.18 0.19 0.11 0.10 0.11 0.11 0.12
2010 0.35 0.35 0.40 0.45 0.37 0.32 0.29 0.26 0.26 0.23 0.25 0.29
2009 0.44 0.62 0.64 0.55 0.50 0.51 0.48 0.46 0.40 0.37 0.31 0.37
2008 2.71 2.05 1.54 1.74 2.05 2.42 2.28 2.18 1.91 1.42 1.07 0.49
2007 5.06 5.05 4.92 4.93 4.91 4.96 4.96 4.47 4.14 4.10 3.50 3.26
2006 4.45 4.68 4.77 4.90 5.00 5.16 5.22 5.08 4.97 5.01 5.01 4.94
2005 2.86 3.03 3.30 3.32 3.33 3.36 3.64 3.87 3.85 4.18 4.33 4.35
2004 1.24 1.24 1.19 1.43 1.78 2.12 2.10 2.02 2.12 2.23 2.50 2.67
2003 1.36 1.30 1.24 1.27 1.18 1.01 1.12 1.31 1.24 1.25 1.34 1.31
2002 2.16 2.23 2.57 2.48 2.35 2.20 1.96 1.76 1.72 1.65 1.49 1.45
2001 4.81 4.68 4.30 3.98 3.78 3.58 3.62 3.47 2.82 2.33 2.18 2.22
2000 6.12 6.22 6.22 6.15 6.33 6.17 6.08 6.18 6.13 6.01 6.09 5.60
1999 4.51 4.70 4.78 4.69 4.85 5.10 5.03 5.19 5.25 5.43 5.55 5.84
1998 5.24 5.31 5.39 5.38 5.44 5.41 5.36 5.21 4.71 4.12 4.53 4.52
1997 5.61 5.53 5.80 5.99 5.87 5.69 5.54 5.56 5.52 5.46 5.46 5.53
1996 5.09 4.94 5.34 5.54 5.64 5.81 5.85 5.85 5.83 5.55 5.42 5.47
1995 7.05 6.70 6.43 6.27 6 5.64 5.59 5.75 5.62 5.59 5.43 5.31
1994 3.54 3.87 4.32 4.82 5.31 5.27 5.48 5.56 5.76 6.11 6.54 7.14
1993 3.50 3.39 3.33 3.24 3.36 3.54 3.47 3.44 3.36 3.39 3.58 3.61
1992 4.15 4.29 4.63 4.30 4.19 4.17 3.6 3.47 3.18 3.30 3.68 3.71
1991 6.64 6.27 6.40 6.24 6.13 6.36 6.31 5.78 5.57 5.53 4.89 4.38
1990 7.92 8.11 8.35 8.40 8.32 8.10 7.94 7.78 7.76 7.55 7.31 7.05
1989 9.05 9.25 9.57 9.36 8.98 8.44 7.89 8.18 8.22 7.99 7.77 7.72
1988 6.99 6.64 6.71 7.01 7.40 7.49 7.75 8.17 8.09 8.11 8.48 8.99
1987 5.78 5.96 6.03 6.5 7 6.8 6.88 7.03 7.67 7.59 6.96 7.17
1986 7.73 7.61 7.03 6.44 6.65 6.73 6.27 5.93 5.77 5.72 5.8 5.87
1985 9.02 9.29 9.86 9.14 8.46 7.8 7.86 8.05 8.07 8.01 7.88 7.68

The chart above is deemed reliable but accuracy is not guaranteed.



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