These bonds are still earning interest until 30 years after issue (Jan 2045 for January 2015 bonds). You can cash them any time, or keep them growing. How to cash a bond
Key facts about 2015 Series I bonds
- A $100 bond issued November 2015 is now worth 1.4 times its $100.00 purchase price.
- Over the past 12 months a $100 January 2015 bond grew from $135.52 to $139.76 (+$4.24, 3.1%).
- It keeps earning for about 18 more years, until Jan 2045.
- Fixed rate (set at purchase, never changes): Jan–Oct 2015: 0.00%; Nov–Dec 2015: 0.10%.
- Composite rate in the 6-month period starting May 2026 (by issue month): Jan–Oct: 3.34%; Nov–Dec: 3.44%.
Value by issue month
| Issue month | $50 bond | $100 bond | $500 bond | $1,000 bond | Status | Final maturity |
|---|---|---|---|---|---|---|
| January 2015 | $69.88 | $139.76 | $698.80 | $1,397.60 | Earning | Jan 2045 |
| February 2015 | $69.68 | $139.36 | $696.80 | $1,393.60 | Earning | Feb 2045 |
| March 2015 | $69.50 | $139.00 | $695.00 | $1,390.00 | Earning | Mar 2045 |
| April 2015 | $69.30 | $138.60 | $693.00 | $1,386.00 | Earning | Apr 2045 |
| May 2015 | $69.76 | $139.52 | $697.60 | $1,395.20 | Earning | May 2045 |
| June 2015 | $69.56 | $139.12 | $695.60 | $1,391.20 | Earning | Jun 2045 |
| July 2015 | $69.38 | $138.76 | $693.80 | $1,387.60 | Earning | Jul 2045 |
| August 2015 | $69.18 | $138.36 | $691.80 | $1,383.60 | Earning | Aug 2045 |
| September 2015 | $69.00 | $138.00 | $690.00 | $1,380.00 | Earning | Sep 2045 |
| October 2015 | $68.80 | $137.60 | $688.00 | $1,376.00 | Earning | Oct 2045 |
| November 2015 | $70.46 | $140.92 | $704.60 | $1,409.20 | Earning | Nov 2045 |
| December 2015 | $70.26 | $140.52 | $702.60 | $1,405.20 | Earning | Dec 2045 |
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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Value your 2015 bond
How the value has grown
Questions about 2015 Series I bonds
How much is a $100 Series I bond from 2015 worth?
As of October 2026, a $100 Series I bond issued in 2015 is worth $137.60 to $140.92, depending on the month it was issued. It cost $100.00 new.
What interest rate do 2015 I bonds earn?
Each I bond keeps the fixed rate it was issued with (Jan–Oct 2015: 0.00%; Nov–Dec 2015: 0.10%) plus the current inflation rate, which resets every six months. Source: U.S. Treasury Fiscal Data.
Do 2015 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