Series I savings bonds, or I bonds, purchased through October 2024, will earn 4.28%,TreasuryDirect® announced May 1, 2024. This rate includes an inflation component of 2.96% annualized and a fixed rate of 1.30%, with the latter remaining constant throughout the bond’s life. In comparison...
so it's likely that there are still Series HH savings bonds out there somewhere. However, since these bonds can be cashed early, there may be fewer bonds remaining than were originally issued back in the early 2000s. The bonds that are still held will continue...