Projected I Bond Rate November 2024 Forecast. Tumin says the fixed rate for i bonds bought from november through april 2024 could very well be higher than 0.9%. The current i bond interest rate is 5.27% for bonds issued between november 1, 2023, and april 30, 2024.

The interest rate on i bonds changes every six months, and with the latest inflation reading now released, we can calculate what the next rate will be on existing i bonds. Now that inflation is easing, some analysts predict the new i bond rates could fall as low as 4.17%.