HH savings bonds, also known as Series HH bonds, were a type of savings bond issued by the United States government. They were available for purchase from 1980 to 2004 and provided investors with a fixed interest rate.

HH savings bonds were unique because they paid interest semiannually instead of annually like other savings bonds. The interest earned on these bonds was subject to federal income tax, but exempt from state and local taxes. Additionally, the interest accrued on HH savings bonds could be reinvested in Series HH bonds, allowing for compound interest.

These bonds had a maturity period of 10 years, during which the bondholder received interest payments. After the maturity period, bondholders had the option to redeem the bonds for their face value.

In 2004, the U.S. Treasury Department stopped issuing new HH savings bonds, but existing bonds continued to earn interest until their maturity or redemption. Today, individuals can no longer purchase HH savings bonds, but they remain a part of U.S. savings bond history.

HH Savings Bonds were a type of U.S. government savings bond issued from 1980 to 2004. They were non-marketable, meaning they could not be bought or sold in secondary markets, and were only available through the exchange of matured Series E or EE bonds. HH Bonds paid semi-annual interest directly to bondholders, providing a steady income stream. They had a fixed interest rate, typically set at the time of issuance, and a 20-year maturity period. Unlike other savings bonds, HH Bonds were not subject to state or local taxes, though federal taxes applied to the interest earned. They were discontinued in 2004, and no new HH Bonds have been issued since. Existing bonds continue to earn interest until maturity or redemption.