$10,000.00 I Bond Value — September 2025
A $10,000.00 I Bond issued in September 2025 is worth $10,308.00 today.
Current total value
$10,308.00
Redemption value (incl. penalty)
$10,200.00
Current composite rate
4.24%
Interest earned to date
$308.00
About this September 2025 I Bond
This Series I savings bond was issued in September 2025 and locked in a fixed rate of 1.10% for the life of the bond. It has earned interest for 9 months, and its inflation component resets every six months. It is currently earning a composite rate of 4.24%.
Because this bond is less than five years old, redeeming it now forfeits the most recent three months of interest — a penalty of $108.00. Its redemption value today is $10,200.00.
Semiannual value table
Value of this $10,000.00 I Bond at the start of each six-month earning period since issue.
| Period start | Composite rate | Value | Value after penalty |
|---|---|---|---|
| September 2025 | 3.98% | $10,000.00 | $10,000.00 |
| March 2026 | 4.24% | $10,200.00 | $10,100.00 |
Other amounts for September 2025
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