The next I Bond rate will be based on the change in CPI-U between March and September. The value rose to 218.009 in April and again in May up to 218.178.
| Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | 
| 217.631 | 218.009 | 218.178 | 
The next I Bond rate will be based on the change in CPI-U between March and September. The value rose to 218.009 in April and again in May up to 218.178.
| Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | 
| 217.631 | 218.009 | 218.178 |