Bank Prime Loan Rate Changes: Historical Dates of Changes and Rates
Units: Percent
Date Range: 1947-12-01 to Current
DATE
VALUE
DATE
VALUE
DATE
VALUE
DATE
VALUE
DATE
VALUE
1929 5.5-6.0
1930 3.5-6.0
1931 2.75-5.0
9/18/73
10/23/73
10/29/73
10.00
9.75
9.50
9/28/79
10/9/79
10/24/79
13.50
14.50
15.00
8/18/82
8/23/82
10/7/82
14.00
13.50
13.00
6/27/03
6/30/04
8/11/04
4.00
4.25
4.50
1932 3.25-4.0
1933 1.5-4.0
12/3/73
1/29/74
9.75
9.50
11/1/79
11/9/79
15.25
15.50
10/13/82
11/22/82
12.00
11.50
9/21/04
11/10/04
4.75
5.00
1934
1.50
2/11/74
9.25
11/16/79
15.75
1/11/83
11.00
12/15/04
5.25
1935
12/1/47
1.50
1.75
2/19/74
2/25/74
9.00
8.75
11/30/79
12/7/79
15.50
15.25
2/25/83
8/8/83
10.50
11.00
2/3/05
3/22/05
5.50
5.75
8/1/48
2.00
3/22/74
9.00
2/19/80
15.75
3/19/84
11.50
5/3/05
6.00
9/22/50
1/8/51
10/17/51
12/19/51
2.25
2.50
2.75
3.00
4/1/74
4/4/74
4/8/74
4/11/74
9.25
9.50
9.75
10.00
2/22/80
2/29/80
3/4/80
3/7/80
16.50
16.75
17.25
17.75
4/5/84
5/8/84
6/25/84
9/27/84
12.00
12.50
13.00
12.75
6/30/05
8/9/05
9/20/05
11/1/05
6.25
6.50
6.75
7.00
4/27/53
3/17/54
8/4/55
3.25
3.00
3.25
4/22/74
4/25/74
5/2/74
10.25
10.50
10.75
3/14/80
3/19/80
3/28/80
18.50
19.00
19.50
10/16/84
10/29/84
11/8/84
12.50
12.00
11.75
12/13/05
1/31/06
3/28/06
7.25
7.50
7.75
10/14/55
4/13/56
3.50
3.75
5/7/74
5/10/74
11.00
11.25
4/2/80
4/18/80
20.00
19.50
11/28/84
12/19/84
11.25
10.75
5/10/06
6/29/06
8.00
8.25
8/21/56
4.00
5/17/74
11.50
5/1/80
18.50
1/15/85
10.50
10/7/07
7.75
8/6/57
1/22/58
4.50
4.00
6/27/74
7/8/74
11.75
12.00
5/7/80
5/16/80
17.50
16.50
5/20/85
6/18/85
10.00
9.50
10/31/07
12/11/07
7.50
7.25
4/21/58
9/11/58
5/18/59
3.50
4.00
4.50
10/8/74
10/22/74
11/6/74
11.75
11.25
11.00
5/23/80
5/28/80
6/6/80
14.50
14.00
13.00
3/7/86
4/21/86
7/11/86
9.00
8.50
8.00
1/22/08
1/30/08
3/18/08
6.50
6.00
5.50
9/1/59
8/23/60
12/6/65
5.00
4.50
5.00
11/13/74
11/25/74
1/13/75
10.75
10.25
10.00
6/13/80
6/17/80
7/7/80
12.50
12.00
11.50
8/26/86
4/1/87
5/1/87
7.50
7.75
8.00
4/30/08
10/8/08
10/29/08
5.00
4.50
4.00
3/10/66
6/29/66
8/16/66
1/26/67
5.50
5.75
6.00
5.75
1/28/75
2/3/75
2/18/75
2/24/75
9.50
9.00
8.75
8.50
7/23/80
8/22/80
8/27/80
9/8/80
11.00
12.25
11.50
12.00
5/15/87
9/4/87
10/7/87
10/22/87
8.25
8.75
9.25
9.00
12/16/08
12/17/15
12/15/16
3/16/17
3.25
3.50
3.75
4.00
3/27/67
11/20/67
4/19/68
5.50
6.00
6.50
3/3/75
3/10/75
3/19/75
8.25
8.00
7.75
9/12/80
9/19/80
9/26/80
12.25
12.50
13.00
11/5/87
2/2/88
5/11/88
8.75
8.50
9.00
5/14/17
4.25
9/25/68
12/2/68
6.25
6.50
3/25/75
5/20/75
7.50
7.25
10/1/80
10/17/80
13.50
14.00
7/14/88
8/11/88
9.50
10.00
12/18/68
5.75
6/9/75
7.00
10/29/80
14.50
11/28/88
10.50
1/7/69
3/17/69
6/9/69
3/25/70
7.00
7.50
8.50
8.00
7/18/75
7/25/75
8/11/75
9/15/75
7.25
7.50
7.75
8.00
11/6/80
11/17/80
11/21/80
11/26/80
15.50
16.25
17.00
17.75
2/10/89
2/24/89
6/5/89
7/31/89
11.00
11.50
11.00
10.50
9/21/70
11/12/70
11/23/70
7.50
7.25
7.00
10/27/75
11/4/75
12/1/75
7.75
7.50
7.25
12/2/80
12/5/80
12/10/80
18.50
19.00
20.00
1/8/90
1/2/91
2/4/91
10.00
9.50
9.00
12/22/70
1/6/71
6.75
6.50
1/12/76
1/21/76
7.00
6.75
12/16/80
12/19/80
21.00
21.50
5/1/91
9/13/91
8.50
8.00
1/15/71
6.25
6/1/76
7.00
1/2/81
20.50
11/6/91
7.50
1/18/71
2/16/71
6.00
5.75
6/4/76
8/2/76
7.25
7.00
1/9/81
2/3/81
20.00
19.50
12/23/91
7/2/92
6.50
6.00
3/11/71
3/19/71
4/23/71
5.50
5.25
5.50
10/1/76
10/29/76
12/10/76
6.75
6.50
6.25
2/23/81
3/3/81
3/10/81
19.00
18.50
18.00
3/24/94
4/19/94
5/17/94
6.25
6.75
7.25
7/7/71
10/20/71
11/8/71
6.00
5.75
5.50
5/13/77
5/27/77
8/22/77
6.50
6.75
7.00
3/17/81
3/24/81
3/27/81
17.50
17.00
17.50
8/16/94
11/15/94
2/1/95
7.75
8.50
9.00
12/17/71
1/3/72
1/18/72
5.25
5.00
4.75
9/16/77
10/7/77
10/24/77
7.25
7.50
7.75
4/1/81
4/20/81
4/29/81
17.00
17.50
18.00
7/7/95
12/20/95
2/1/96
8.75
8.50
8.25
2/16/72
4.50
1/10/78
8.00
5/4/81
19.00
3/26/97
8.50
3/20/72
3/31/72
4.75
5.00
5/5/78
5/26/78
8.25
8.50
5/11/81
5/18/81
19.50
20.00
9/30/98
10/16/98
8.25
8.00
6/27/72
8/29/72
10/3/72
12/27/72
2/27/73
5.25
5.50
5.75
6.00
6.25
6/16/78
6/30/78
9/1/78
9/15/78
9/28/78
8.75
9.00
9.25
9.50
9.75
5/22/81
6/1/81
7/8/81
9/16/81
9/22/81
20.50
20.00
20.50
20.00
19.50
11/18/98
7/1/99
8/25/99
11/17/99
2/3/00
7.75
8.00
8.25
8.50
8.75
3/26/73
4/19/73
5/7/73
6.50
6.75
7.00
10/13/78
10/27/78
11/1/78
10.00
10.25
10.50
10/5/81
10/13/81
11/2/81
19.00
18.00
17.50
3/22/00
5/17/00
1/4/01
9.00
9.50
9.00
5/25/73
6/7/73
6/22/73
7.25
7.50
7.75
11/6/78
11/17/78
11/24/78
10.75
11.00
11.50
11/9/81
11/16/81
11/24/81
17.00
16.50
16.00
2/1/01
3/21/01
4/19/01
8.50
8.00
7.50
7/2/73
7/9/73
7/18/73
7/30/73
8/6/73
8.00
8.25
8.50
8.75
9.00
12/26/78
6/19/79
7/27/79
8/16/79
8/28/79
11.75
11.50
11.75
12.00
12.25
12/1/81
2/2/82
2/17/82
2/23/82
7/20/82
15.75
16.50
17.00
16.50
16.00
5/16/01
6/28/01
8/22/01
9/18/01
10/3/01
7.00
6.75
6.50
6.00
5.50
8/13/73
9.25
9/7/79
12.75
7/29/82
15.50
11/7/01
5.00
8/21/73
8/28/73
9.50
9.75
9/14/79
9/20/79
13.00
13.25
8/2/82
8/16/82
15.00
14.50
12/12/01
11/7/02
4.75
4.25
Source: Board of Governors of the Federal Reserve System