These bonds are still earning interest until 30 years after issue (Jan 2036 for January 2006 bonds). You can cash them any time, or keep them growing. How to cash a bond
Key facts about 2006 Series I bonds
- A $100 bond issued May 2006 is now worth 2.3 times its $100.00 purchase price.
- Over the past 12 months a $100 January 2006 bond grew from $205.48 to $214.00 (+$8.52, 4.1%).
- It keeps earning for about 9 more years, until Jan 2036.
- Fixed rate (set at purchase, never changes): Jan–Apr 2006: 1.00%; May–Dec 2006: 1.40%.
- Composite rate in the 6-month period starting May 2026 (by issue month): Jan–Apr: 4.36%; May–Dec: 4.76%.
Value by issue month
| Issue month | $50 bond | $100 bond | $500 bond | $1,000 bond | Status | Final maturity |
|---|---|---|---|---|---|---|
| January 2006 | $107.00 | $214.00 | $1,070.00 | $2,140.00 | Earning | Jan 2036 |
| February 2006 | $106.62 | $213.24 | $1,066.20 | $2,132.40 | Earning | Feb 2036 |
| March 2006 | $106.24 | $212.48 | $1,062.40 | $2,124.80 | Earning | Mar 2036 |
| April 2006 | $105.86 | $211.72 | $1,058.60 | $2,117.20 | Earning | Apr 2036 |
| May 2006 | $112.52 | $225.04 | $1,125.20 | $2,250.40 | Earning | May 2036 |
| June 2006 | $112.08 | $224.16 | $1,120.80 | $2,241.60 | Earning | Jun 2036 |
| July 2006 | $111.64 | $223.28 | $1,116.40 | $2,232.80 | Earning | Jul 2036 |
| August 2006 | $111.20 | $222.40 | $1,112.00 | $2,224.00 | Earning | Aug 2036 |
| September 2006 | $110.78 | $221.56 | $1,107.80 | $2,215.60 | Earning | Sep 2036 |
| October 2006 | $110.34 | $220.68 | $1,103.40 | $2,206.80 | Earning | Oct 2036 |
| November 2006 | $111.40 | $222.80 | $1,114.00 | $2,228.00 | Earning | Nov 2036 |
| December 2006 | $110.96 | $221.92 | $1,109.60 | $2,219.20 | Earning | Dec 2036 |
Values as of October 2026. Other face values are proportional: a $200 bond is worth twice the $100 value. Click a month to open it in the calculator.
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How the value has grown
Questions about 2006 Series I bonds
How much is a $100 Series I bond from 2006 worth?
As of October 2026, a $100 Series I bond issued in 2006 is worth $211.72 to $225.04, depending on the month it was issued. It cost $100.00 new.
What interest rate do 2006 I bonds earn?
Each I bond keeps the fixed rate it was issued with (Jan–Apr 2006: 1.00%; May–Dec 2006: 1.40%) plus the current inflation rate, which resets every six months. Source: U.S. Treasury Fiscal Data.
Do 2006 Series I bonds still earn interest?
Yes. They earn interest for 30 years from the issue date.
Is the value before tax?
Yes. Savings bond interest is subject to federal income tax but not state or local income tax.
All Series I values by year · Found old savings bonds? What to do