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BONDTRAKR

A comprehensive portfolio tracker for your U.S. Treasury Savings Bonds. Calculate real-time cash values by querying live Treasury API data, track your profit margins over time, visually map your asset distribution, and consult the market analysis tool based on current yield curves and inflation rates.

Bond Calculator

About Savings Bonds

Series I Bonds POPULAR

Designed to protect your money from inflation. The interest rate is a combination of a fixed rate and a variable rate that changes every May and November based on the Consumer Price Index (CPI).

Series EE Bonds STABLE

Known as "Patriot Bonds," these earn a fixed rate of interest. The U.S. Treasury guarantees they will double in value if you hold them for 20 years.

The 5-Year Rule

If you cash in a bond before 5 years, you lose the last 3 months of interest as a penalty. After 5 years, there is no penalty.

Tax Advantages

Savings bond interest is exempt from state and local taxes. You only pay federal income tax.