Jetcityimage | Istock | Getty Images The U.S. Department of the Treasury has announced new rates for Series I bonds. Newly purchased I bonds will pay 4.26% annual interest from May 1 through Oct. 31, which is up from the 4.03% yield offered through April 30. The new rate includes a variable portion of 3.34%, based on inflation data , and a fixed portion of 0.90%. The combined rate is 4.26% after rounding, according to the Treasury. The fixed rate is the same from 0.90% announced in October. Read more CNBC personal finance coverage Small businesses may offer opportunities for college grads trying to find jobs Fed keeps interest rates unchanged in April: What that means for you This free tax withholding tool could make it easier update your paycheck Women tend to be 'risk-appropriate' investors, expert says: How that helps Nearly half of 2025 retirees stopped working sooner than they expected: Survey Social Security benefits can be reduced for…