The semi-annual CPI-U rate dropped from 238.031 to 236.119, resulting in a negative variable rate for this period. The resulting variable rate will be 0.00 since bonds can...
The Informed Investor
Most people are scared stiff by investment risk, but don't know that the biggest risk is simply investor behavior. The only way to eliminate such self-destructive behavior is to get hard facts on how the stock market really works. Fortunately, anyone can learn with The Informed Investor.
Print page
I Bond Rate Summary
This table represents the data used to determine an I Bond's inital rate.
Composite Rate = Fixed rate + 2 * CPI-U Rate +
(Fixed rate * CPI-U Rate)
| 11/1/2018 |
0.50
|
1.16
|
0.5800
|
2.32
|
2.325800
|
2.825800
|
2.83%
|
| 5/1/2018 |
0.00
|
0.98
|
0.0000
|
1.96
|
1.960000
|
1.960000
|
1.96%
|
| 11/1/2017 |
0.30
|
1.11
|
0.3330
|
2.22
|
2.2233300
|
2.5233300
|
2.52%
|
| 5/1/2017 |
0.00
|
0.98
|
0.0000
|
1.96
|
1.960000
|
1.960000
|
1.96%
|
| 11/1/2016 |
0.0
|
1.38
|
0.000
|
2.76
|
2.76000
|
2.76000
|
2.76%
|
| 5/1/2016 |
0.10
|
0.08
|
0.0080
|
0.16
|
0.1600800
|
0.2600800
|
0.26%
|
| 11/1/2015 |
0.10
|
0.77
|
0.0770
|
1.54
|
1.5407700
|
1.6407700
|
1.64%
|
| 5/1/2015 |
0.00
|
-0.8
|
0.000
|
-1.6
|
-1.60000
|
-1.60000
|
0.00%
|
| 11/1/2014 |
0.00
|
0.74
|
0.0000
|
1.48
|
1.480000
|
1.480000
|
1.48%
|
| 5/1/2014 |
0.10
|
0.92
|
0.0920
|
1.84
|
1.8409200
|
1.9409200
|
1.94%
|
| 11/1/2013 |
0.20
|
0.59
|
0.1180
|
1.18
|
1.1811800
|
1.3811800
|
1.38%
|
| 5/1/2013 |
0.00
|
0.59
|
0.0000
|
1.18
|
1.180000
|
1.180000
|
1.18%
|
| 11/1/2012 |
0.00
|
0.88
|
0.0000
|
1.76
|
1.760000
|
1.760000
|
1.76%
|
| 5/1/2012 |
0.00
|
1.10
|
0.0000
|
2.20
|
2.20000
|
2.20000
|
2.20%
|
| 11/1/2011 |
0.00
|
1.53
|
0.0000
|
3.06
|
3.060000
|
3.060000
|
3.06%
|
| 5/1/2011 |
0.00
|
2.30
|
0.0000
|
4.60
|
4.60000
|
4.60000
|
4.60%
|
| 11/1/2010 |
0.00
|
0.37
|
0.0000
|
0.74
|
0.740000
|
0.740000
|
0.74%
|
| 5/1/2010 |
0.20
|
0.77
|
0.1540
|
1.54
|
1.5415400
|
1.7415400
|
1.74%
|
| 11/1/2009 |
0.30
|
1.53
|
0.4590
|
3.06
|
3.0645900
|
3.3645900
|
3.36%
|
| 5/1/2009 |
0.10
|
-2.78
|
-0.2780
|
-5.56
|
-5.5627800
|
-5.4627800
|
0.00%
|
| 11/1/2008 |
0.70
|
2.46
|
1.7220
|
4.92
|
4.9372200
|
5.6372200
|
5.64%
|
| 5/1/2008 |
0.00
|
2.42
|
0.0000
|
4.84
|
4.840000
|
4.840000
|
4.84%
|
| 11/1/2007 |
1.20
|
1.53
|
1.8360
|
3.06
|
3.0783600
|
4.2783600
|
4.28%
|
| 5/1/2007 |
1.30
|
1.21
|
1.5730
|
2.42
|
2.4357300
|
3.7357300
|
3.74%
|
| 11/1/2006 |
1.40
|
1.55
|
2.1700
|
3.10
|
3.121700
|
4.521700
|
4.52%
|
| 5/1/2006 |
1.40
|
0.50
|
0.7000
|
1.00
|
1.00700
|
2.40700
|
2.41%
|
| 11/1/2005 |
1.00
|
2.85
|
2.8500
|
5.70
|
5.728500
|
6.728500
|
6.73%
|
| 5/1/2005 |
1.20
|
1.79
|
2.1480
|
3.58
|
3.6014800
|
4.8014800
|
4.80%
|
| 11/1/2004 |
1.00
|
1.33
|
1.3300
|
2.66
|
2.673300
|
3.673300
|
3.67%
|
| 5/1/2004 |
1.00
|
1.19
|
1.1900
|
2.38
|
2.391900
|
3.391900
|
3.39%
|
| 11/1/2003 |
1.10
|
0.54
|
0.5940
|
1.08
|
1.0859400
|
2.1859400
|
2.19%
|
| 5/1/2003 |
1.10
|
1.77
|
1.9470
|
3.54
|
3.5594700
|
4.6594700
|
4.66%
|
| 11/1/2002 |
1.60
|
1.23
|
1.9680
|
2.46
|
2.4796800
|
4.0796800
|
4.08%
|
| 5/1/2002 |
2.00
|
0.28
|
0.5600
|
0.56
|
0.565600
|
2.565600
|
2.57%
|
| 11/1/2001 |
2.00
|
1.19
|
2.3800
|
2.38
|
2.403800
|
4.403800
|
4.40%
|
| 5/1/2001 |
3.00
|
1.44
|
4.3200
|
2.88
|
2.923200
|
5.923200
|
5.92%
|
| 11/1/2000 |
3.40
|
1.52
|
5.1680
|
3.04
|
3.0916800
|
6.4916800
|
6.49%
|
| 5/1/2000 |
3.60
|
1.91
|
6.8760
|
3.82
|
3.8887600
|
7.4887600
|
7.49%
|
| 11/1/1999 |
3.40
|
1.76
|
5.9840
|
3.52
|
3.5798400
|
6.9798400
|
6.98%
|
| 5/1/1999 |
3.30
|
0.86
|
2.8380
|
1.72
|
1.7483800
|
5.0483800
|
5.05%
|
| 11/1/1998 |
3.30
|
0.86
|
2.8380
|
1.72
|
1.7483800
|
5.0483800
|
5.05%
|
| 9/1/1998 |
3.40
|
0.62
|
2.1080
|
1.24
|
1.2610800
|
4.6610800
|
4.66%
|
Related Topics
Page last modified 9/25/2011