What Is The Projected I Bond Rate For November 2025. See past historical fixed and inflation rate chart, current rates, and future forecasting for upcoming rate. Although we announce the new rates in may and november, the date when the rate changes for your bond is every 6 months from the issue date of your bond.

I bond interest rates adjust every six months, and with the latest inflation reading now released, we can calculate what your next rate will be on existing bonds. You can click on a simulation.