History
of ARM Indices
These
are the index values of the most commonly used Adjustable Rate
Mortgage Indices. These indices represent the base rate used
in the calculation of the interest rate charged on a mortgage.
Read
ARM's Explained
to learn more about these indices.
See a Graph of
these indices.
See ARM Indices.
The
indices shown are as of the first of each month. With the exception
of the 11th District Cost of Funds, they are likely to have
fluctuated during the month.
| Date |
1 Year T-Bill |
11th District Cost
of Funds |
Prime Rate |
6 Month CD's |
6 Month LIBOR |
| Mar-99 |
4.74% |
4.608% |
7.75% |
4.96% |
5.168% |
| Feb-99 |
4.51% |
4.65% |
7.75% |
4.84% |
5.03% |
| Jan-99 |
4.59% |
4.69% |
7.75% |
5.03% |
5.17% |
|
| Dec-98 |
4.55% |
4.71% |
7.75% |
4.99% |
4.80% |
| Nov-98 |
4.53% |
4.73% |
8.00% |
5.11% |
4.53% |
| Oct-98 |
4.12% |
4.76% |
8.25% |
5.04% |
4.12% |
| Sep-98 |
4.71% |
4.91% |
8.50% |
5.33% |
4.71% |
| Aug-98 |
5.21% |
4.90% |
8.50% |
5.61% |
5.21% |
| Jul-98 |
5.41% |
4.88% |
8.50% |
5.67% |
5.87% |
| Jun-98 |
5.44% |
4.90% |
8.50% |
5.65% |
5.85% |
| May-98 |
5.38% |
4.92% |
8.50% |
5.67% |
5.80% |
| Apr-98 |
5.41% |
4.93% |
8.50% |
5.62% |
5.87% |
| Mar-98 |
5.28% |
4.92% |
8.50% |
5.60% |
5.80% |
| Feb-98 |
5.18% |
4.96% |
8.50% |
5.52% |
6.00% |
| Jan-98 |
5.52% |
4.95% |
8.50% |
5.77% |
5.96% |
|
| Dec-97 |
5.54% |
4.96% |
8.50% |
5.81% |
5.87% |
| Nov-97 |
5.44% |
4.94% |
8.50% |
5.72% |
5.80% |
| Oct-97 |
5.47% |
4.90% |
8.50% |
5.69% |
5.86% |
| Sep-97 |
5.54% |
4.89% |
8.50% |
5.69% |
5.83% |
| Aug-97 |
5.59% |
4.85% |
8.50% |
5.72% |
5.93% |
| Jul-97 |
5.65% |
4.86% |
8.50% |
5.76% |
6.01% |
| Jun-97 |
5.86% |
4.82% |
8.50% |
5.85% |
6.12% |
| May 97 |
6.01% |
4.78% |
8.50% |
5.91% |
6.00% |
| Apr-97 |
5.94% |
4.72% |
8.50% |
5.81% |
6.00% |
| Mar-97 |
5.60% |
4.82% |
8.25% |
5.49% |
5.72% |
| Feb-97 |
5.53% |
4.84% |
8.25% |
5.59% |
5.44% |
| Jan-97 |
5.50% |
4.84% |
8.25% |
5.47% |
5.54% |
|
| Dec-96 |
5.46% |
4.84% |
8.25% |
5.43% |
5.53% |
| Nov-96 |
5.41% |
4.83% |
8.25% |
5.47% |
5.58% |
| Oct-96 |
5.72% |
4.84% |
8.25% |
5.74% |
5.75% |
| Sep-96 |
5.95% |
4.82% |
8.25% |
5.80% |
5.74% |
| Aug-96 |
5.80% |
4.81% |
8.25% |
5.74% |
5.98% |
| Jul-96 |
5.82% |
4.82% |
8.25% |
5.61% |
5.77% |
| Jun-96 |
5.70% |
4.84% |
8.25% |
5.47% |
5.63% |
| May-96 |
5.63% |
4.88% |
8.25% |
5.43% |
5.56% |
| Apr-96 |
5.48% |
4.98% |
8.25% |
5.33% |
5.42% |
| Mar-96 |
5.51% |
5.03% |
8.25% |
5.38% |
5.52% |
| Feb-96 |
5.04% |
5.06% |
8.25% |
5.23% |
5.29% |
| Jan-96 |
5.18% |
5.09% |
8.25% |
5.33% |
5.34% |
|
| Dec-95 |
5.36% |
5.09% |
8.50% |
5.51% |
5.56% |
| Nov-95 |
5.43% |
5.12% |
8.75% |
5.65% |
5.74% |
| Oct-95 |
5.58% |
5.12% |
8.75% |
5.75% |
5.95% |
| Sep-95 |
5.62% |
5.11% |
8.75% |
5.73% |
5.99% |
| Aug-95 |
5.75% |
5.13% |
8.75% |
5.80% |
5.94% |
| Jul-95 |
5.59% |
5.14% |
8.75% |
5.67% |
5.88% |
| Jun-95 |
5.64% |
5.18% |
9.00% |
5.88% |
5.88% |
| May-95 |
6.40% |
5.14% |
9.00% |
6.06% |
6.06% |
| Apr-95 |
6.27% |
5.06% |
9.00% |
6.29% |
6.31% |
| Mar-95 |
6.54% |
5.01% |
9.00% |
6.41% |
6.44% |
| Feb-95 |
6.79% |
4.92% |
9.00% |
6.46% |
6.44% |
| Jan-95 |
7.02% |
4.75% |
8.50% |
6.66% |
6.69% |
|
| Dec-94 |
6.48% |
4.59% |
8.50% |
6.72% |
6.81% |
| Nov-94 |
6.28% |
4.37% |
8.50% |
6.23% |
6.43% |
| Oct-94 |
6.11% |
4.18% |
7.75% |
6.70% |
6.00% |
| Sep-94 |
5.76% |
4.03% |
7.75% |
5.23% |
5.69% |
| Aug-94 |
5.56% |
3.95% |
7.75% |
5.21% |
5.33% |
| Jul-94 |
5.41% |
3.86% |
7.25% |
5.07% |
5.38% |
| Jun-94 |
5.27% |
3.80% |
7.25% |
4.85% |
4.91% |
| May-94 |
5.31% |
3.73% |
7.25% |
4.90% |
4.97% |
| Apr-94 |
4.82% |
3.67% |
6.75% |
4.38% |
4.44% |
| Mar-94 |
4.32% |
3.63% |
6.25% |
4.03% |
4.08% |
| Feb-94 |
3.87% |
3.69% |
6.00% |
3.62% |
3.69% |
| Jan-94 |
3.54% |
3.71% |
6.00% |
3.29% |
3.37% |
|
| Dec-93 |
3.61% |
3.88% |
6.00% |
3.35% |
3.43% |
| Nov-93 |
3.58% |
3.82% |
6.00% |
3.39% |
3.46% |
| Oct-93 |
3.39% |
3.82% |
6.00% |
3.25% |
3.33% |
| Sep-93 |
3.36% |
3.88% |
6.00% |
3.24% |
3.31% |
| Aug-93 |
3.44% |
3.96% |
6.00% |
3.32% |
3.41% |
| Jul-93 |
3.47% |
4.00% |
6.00% |
3.34% |
3.44% |
| Jun-93 |
3.54% |
4.05% |
6.00% |
3.36% |
3.44% |
| May-93 |
3.36% |
4.10% |
6.00% |
3.20% |
3.28% |
| Apr-93 |
3.24% |
4.17% |
6.00% |
3.16% |
3.27% |
| Mar-93 |
3.33% |
4.25% |
6.00% |
3.20% |
3.28% |
| Feb-93 |
3.39% |
4.33% |
6.00% |
3.22% |
3.30% |
| Jan-93 |
3.50% |
4.36% |
6.00% |
3.33% |
3.43% |
|
| Dec-92 |
3.69% |
4.43% |
6.00% |
3.55% |
3.68% |
| Nov-92 |
3.66% |
4.51% |
6.00% |
3.60% |
3.77% |
| Oct-92 |
3.29% |
4.60% |
6.00% |
3.27% |
3.40% |
| Sep-92 |
3.17% |
4.81% |
6.00% |
3.17% |
3.28% |
| Aug-92 |
3.46% |
4.87% |
6.00% |
3.40% |
3.47% |
| Jul-92 |
3.59% |
5.07% |
6.00% |
3.50% |
3.60% |
| Jun-92 |
4.15% |
5.26% |
6.50% |
3.97% |
4.06% |
| May-92 |
4.18% |
5.29% |
6.50% |
3.96% |
4.05% |
| Apr-92 |
4.27% |
5.43% |
6.50% |
4.13% |
4.21% |
| Mar-92 |
4.81% |
5.61% |
6.50% |
4.42% |
4.47% |
| Feb-92 |
4.29% |
5.80% |
6.50% |
4.13% |
4.21% |
| Jan-92 |
4.14% |
6.00% |
6.50% |
4.07% |
4.14% |
|
| Dec-91 |
4.36% |
6.25% |
6.50% |
4.41% |
4.20% |
| Nov-91 |
4.87% |
6.41% |
7.50% |
4.92% |
5.01% |
| Oct-91 |
5.32% |
6.57% |
8.00% |
5.32% |
5.42% |
| Sep-91 |
5.59% |
6.71% |
8.00% |
5.60% |
5.69% |
| Aug-91 |
5.78% |
6.85% |
8.50% |
5.79% |
5.86% |
| Jul-91 |
6.28% |
7.00% |
8.50% |
6.25% |
6.38% |
| Jun-91 |
6.33% |
7.16% |
8.50% |
6.26% |
6.42% |
| May-91 |
6.11% |
7.33% |
8.50% |
6.03% |
6.20% |
| Apr-91 |
6.21% |
7.50% |
9.00% |
6.16% |
6.37% |
| Mar-91 |
6.37% |
7.65% |
9.00% |
6.50% |
6.65% |
| Feb-91 |
6.26% |
7.85% |
9.00% |
6.54% |
6.70% |
| Jan-91 |
6.62% |
7.86% |
9.50% |
7.17% |
7.33% |
|
| Dec-90 |
7.03% |
7.96% |
10.00% |
7.94% |
7.75% |
| Nov-90 |
7.31% |
8.04% |
10.00% |
7.95% |
8.04% |
| Oct-90 |
7.54% |
8.02% |
10.00% |
8.05% |
8.12% |
| Sep-90 |
7.75% |
8.09% |
10.00% |
8.06% |
8.17% |
| Aug-90 |
7.77% |
8.08% |
10.00% |
7.99% |
8.11% |
| Jul-90 |
7.94% |
8.11% |
10.00% |
8.12% |
8.23% |
| Jun-90 |
8.08% |
8.09% |
10.00% |
8.28% |
8.38% |
| May-90 |
8.30% |
8.17% |
10.00% |
8.48% |
8.61% |
| Apr-90 |
8.38% |
8.21% |
10.00% |
8.57% |
8.68% |
| Mar-90 |
8.35% |
8.26% |
10.00% |
8.48% |
8.62% |
| Feb-90 |
8.10% |
8.40% |
10.00% |
8.26% |
8.39% |
| Jan-90 |
7.91% |
8.37% |
10.00% |
8.17% |
8.34% |
|
| Dec-89 |
7.71% |
8.48% |
10.50% |
8.12% |
8.26% |
| Nov-89 |
7.76% |
8.60% |
10.50% |
8.21% |
8.33% |
| Oct-89 |
7.98% |
8.64% |
10.50% |
8.45% |
8.61% |
| Sep-89 |
8.20% |
8.81% |
10.50% |
8.75% |
8.90% |
| Aug-89 |
8.18% |
8.76% |
10.50% |
8.56% |
8.69% |
| Jul-89 |
7.89% |
8.84% |
10.50% |
8.59% |
8.77% |
| Jun-89 |
8.43% |
8.92% |
11.00% |
9.09% |
9.25% |
| May-89 |
8.97% |
8.80% |
11.50% |
9.60% |
9.75% |
| Apr-89 |
9.35% |
8.65% |
11.50% |
10.13% |
10.35% |
| Mar-89 |
9.57% |
8.42% |
11.50% |
10.40% |
10.57% |
| Feb-89 |
9.24% |
8.35% |
11.50% |
8.71% |
9.88% |
| Jan-89 |
9.04% |
8.13% |
10.50% |
9.36% |
8.53% |
|
| Dec-88 |
8.98% |
8.02% |
10.50% |
9.28 |
9.43% |
| Nov-88 |
8.47% |
7.91% |
10.50% |
8.81% |
9.01% |
| Oct-88 |
8.10% |
7.83% |
10.00% |
8.48% |
8.64% |
| Sep-88 |
8.08% |
7.85% |
10.00% |
8.50% |
8.68% |
| Aug-88 |
8.16% |
7.66% |
10.00% |
8.66% |
8.88% |
| Jul-88 |
7.74% |
7.59% |
10.00% |
8.18% |
8.40% |
| Jun-88 |
7.49% |
7.62% |
9.00% |
7.69% |
7.91% |
| May-88 |
7.38% |
7.50% |
9.00% |
7.52% |
7.73% |
| Apr-88 |
6.79% |
7.52% |
8.50% |
7.14% |
7.33% |
| Mar-88 |
6.68% |
7.51% |
8.50% |
6.78% |
7.07% |
| Feb-88 |
6.61% |
7.65% |
8.50% |
6.69% |
6.89% |
| Jan-88 |
6.96% |
7.62% |
8.75% |
7.10% |
7.37% |
|
| Dec-87 |
7.13% |
7.65% |
8.75% |
7.37% |
7.97% |
| Nov-87 |
6.92% |
7.56% |
8.75% |
7.31% |
7.54% |
| Oct-87 |
7.50% |
7.44% |
9.00% |
8.19% |
8.48% |
| Sep-87 |
7.60% |
7.39% |
8.75% |
7.74% |
7.99% |
| Aug-87 |
6.96% |
7.28% |
8.25% |
7.02% |
7.26% |
| Jul-87 |
6.52% |
7.28% |
8.25% |
6.87% |
7.17% |
| Jun-87 |
6.74% |
7.27% |
8.25% |
7.15% |
7.44% |
| May-87 |
6.82% |
7.22% |
8.25% |
7.24% |
7.57% |
| Apr-87 |
6.49% |
7.25% |
7.75% |
6.65% |
6.92% |
| Mar-87 |
6.00% |
7.31% |
7.50% |
7.24% |
6.49% |
| Feb-87 |
5.93% |
7.45% |
7.50% |
6.65% |
6.42% |
| Jan-87 |
5.77 |
7.40% |
7.50% |
6.18% |
6.17% |
|
| Dec-86 |
5.85% |
7.51% |
7.50% |
6.10% |
6.22% |
| Nov-86 |
5.77% |
7.60% |
7.50% |
5.50% |
6.05% |
| Oct-86 |
5.90% |
7.72% |
7.50% |
5.95% |
5.98% |
| Sep-86 |
5.75% |
7.90% |
7.50% |
5.76% |
5.99% |
| Aug-86 |
5.51% |
8.02% |
8.00% |
5.70% |
6.16% |
| Jul-86 |
6.23% |
8.20% |
8.50% |
5.71% |
6.65% |
| Jun-86 |
6.70% |
8.37% |
8.50% |
5.92% |
7.07% |
| May-86 |
6.53% |
8.44% |
8.50% |
6.36% |
7.00% |
| Apr-86 |
6.43% |
8.59% |
8.50% |
6.72% |
6.88% |
| Mar-86 |
7.00% |
8.74% |
9.00% |
6.64% |
7.52% |
| Feb-86 |
7.59% |
8.96% |
9.50% |
6.57% |
8.01% |
| Jan-86 |
7.70% |
8.77% |
9.50% |
7.23% |
8.15% |
|
| Dec-85 |
7.84% |
8.87% |
9.50% |
7.70% |
8.10% |
| Nov-85 |
7.84% |
9.04% |
9.50% |
7.83% |
8.14% |
| Oct-85 |
7.98% |
9.03% |
9.50% |
7.80% |
8.30% |
| Sep-85 |
8.03% |
9.13% |
9.50% |
7.82% |
8.47% |
| Aug-85 |
8.03% |
9.27% |
9.50% |
7.97% |
8.32% |
| Jul-85 |
7.82% |
9.37% |
9.50% |
7.80% |
8.19% |
| Jun-85 |
7.78% |
9.57% |
9.50% |
7.58% |
7.93% |
| Apr-85 |
9.14% |
9.87% |
10.75% |
8.75% |
9.22% |
| Mar-85 |
9.82% |
9.98% |
10.75% |
9.60% |
10.04% |
| Feb-85 |
9.27% |
10.16% |
10.75% |
9.04% |
9.57% |
| Jan-85 |
8.99% |
10.22% |
10.75% |
8.45% |
8.92% |
|
We
make every reasonable effort to provide complete and accurate
information, but we assume no liability for errors or omissions.