These bonds are still earning interest until 30 years after issue (Jan 2048 for January 2018 bonds). You can cash them any time, or keep them growing. How to cash a bond
Key facts about 2018 Series I bonds
- A $100 bond issued November 2018 is now worth 1.4 times its $100.00 purchase price.
- Over the past 12 months a $100 January 2018 bond grew from $131.20 to $135.44 (+$4.24, 3.2%).
- It keeps earning for about 21 more years, until Jan 2048.
- Fixed rate (set at purchase, never changes): Jan–Apr 2018: 0.10%; May–Oct 2018: 0.30%; Nov–Dec 2018: 0.50%.
- Composite rate in the 6-month period starting May 2026 (by issue month): Jan–Apr: 3.44%; May–Oct: 3.65%; Nov–Dec: 3.85%.
Value by issue month
| Issue month | $50 bond | $100 bond | $500 bond | $1,000 bond | Status | Final maturity |
|---|---|---|---|---|---|---|
| January 2018 | $67.72 | $135.44 | $677.20 | $1,354.40 | Earning | Jan 2048 |
| February 2018 | $67.52 | $135.04 | $675.20 | $1,350.40 | Earning | Feb 2048 |
| March 2018 | $67.34 | $134.68 | $673.40 | $1,346.80 | Earning | Mar 2048 |
| April 2018 | $67.14 | $134.28 | $671.40 | $1,342.80 | Earning | Apr 2048 |
| May 2018 | $68.44 | $136.88 | $684.40 | $1,368.80 | Earning | May 2048 |
| June 2018 | $68.24 | $136.48 | $682.40 | $1,364.80 | Earning | Jun 2048 |
| July 2018 | $68.04 | $136.08 | $680.40 | $1,360.80 | Earning | Jul 2048 |
| August 2018 | $67.82 | $135.64 | $678.20 | $1,356.40 | Earning | Aug 2048 |
| September 2018 | $67.62 | $135.24 | $676.20 | $1,352.40 | Earning | Sep 2048 |
| October 2018 | $67.42 | $134.84 | $674.20 | $1,348.40 | Earning | Oct 2048 |
| November 2018 | $68.62 | $137.24 | $686.20 | $1,372.40 | Earning | Nov 2048 |
| December 2018 | $68.40 | $136.80 | $684.00 | $1,368.00 | Earning | Dec 2048 |
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 2018 bond
How the value has grown
Questions about 2018 Series I bonds
How much is a $100 Series I bond from 2018 worth?
As of October 2026, a $100 Series I bond issued in 2018 is worth $134.28 to $137.24, depending on the month it was issued. It cost $100.00 new.
What interest rate do 2018 I bonds earn?
Each I bond keeps the fixed rate it was issued with (Jan–Apr 2018: 0.10%; May–Oct 2018: 0.30%; Nov–Dec 2018: 0.50%) plus the current inflation rate, which resets every six months. Source: U.S. Treasury Fiscal Data.
Do 2018 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