series-i-savings-bonds

Series I Government Bond Historic Rates

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Historic Series I Government Bond Rates Rate
Current Series I Government Bond Rates Rate 0.00%
Mean Rate: 4.11%
Median Rate: 4.1%
Highest Rate: 7.49%
Lowest Rate: 0.00%
Issue Date Inital Composite Rate
May 2015 0.00%
May 2012 2.20%
November 2011 3.06%
May 2011 4.60%
November 2010 0.74%
May 2010 1.74%
November 2009 3.36%
May 2009 0.00%
November 2008 5.64%
May 2008 4.84%
November 2007 4.28%
May 2007 3.74%
November 2006 4.52%
May 2006 2.41%
November 2005 6.73%
May 2005 4.80%
November 2004 3.67%
May 2004 3.39%
November 2003 2.19%
May 2003 4.66%
November 2002 4.08%
May 2002 2.57%
November 2001 4.40%
May 2001 5.92%
November 2000 6.49%
May 2000 7.49%
November 1999 6.98%
May 1999 5.05%
November 1998 5.05%
September 1998 4.66%
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Series I bonds have a variable yield based on inflation. The interest rate consists of two components: the first is a fixed rate which will remain constant over the life of the bond. The second component is a variable rate reset every six months from the time the bond is purchased based on the current inflation rate. New rates are published on May 1 and November 1 of every year. The fixed rate is determined by the Treasury Department; the variable component is based on the Consumer Price Index.

Statistic Verification
Source: U.S. Treasury
Research Date: September 17th, 2015

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