The January 2010 CPI-U value increased to 216.687, up from December's fall to 215.949.
There are 2 months remaining for determining the next variable rate portion of an I bond's composite rate.
CPI-U for the May I Bond rate:
| Sep. | Oct. | Nov. | Dec. | Jan. | Feb | Mar. |
| 215.969 | 216.177 | 216.330 | 215.949 | 216.687 |
I-Bonds and CPI-U values
