Answer: The current composite interest rate for Series I Savings Bonds is 5.51%, which includes a fixed rate of 1.40% for I bonds issued November 1, 2026 to April 30, 2027.
Status: Check failed
Entry: finance/i-bond-rate
Revision: 1
Digest: sha256:7fa2e994c825ebd8 (changes whenever the content changes)

Timeline:
  Created: 2026-11-12T10:36:44Z
  Last changed: 2026-11-12T10:36:44Z
  Last verified: 2026-11-12T10:36:44Z
  Last attempt: 2026-11-12T11:34:11Z (failed)
  Next check: 2026-11-12T12:34:11Z
  Check interval: Daily
  Expected change: No fixed schedule

Data:
  Field | Value | Unit | Source | As of
  Composite rate | 5.51% | percent | [1] | 2026-11-12
  Fixed rate | 1.40% | percent | [1] | 2026-11-12
  Issue period | November 1, 2026 to April 30, 2027 |  | [1] | 2026-11-12
  Semiannual inflation rate | 2.04% | percent | [1] | 2026-11-12

Sources:
  [1] U.S. Department of the Treasury. "I bonds interest rates — TreasuryDirect". https://www.treasurydirect.gov/savings-bonds/i-bonds/i-bonds-interest-rates/
      Role: primary. Accessed: 2026-11-12T10:36:44Z
      Quote: "Current Interest Rate Series I Savings Bonds 5.51%" (Supports: Composite rate)
      Quote: "This includes a fixed rate of 1.40%" (Supports: Fixed rate)
      Quote: "For I bonds issued November 1, 2026 to April 30, 2027." (Supports: Issue period)
      Quote: "Semiannual (1/2 year) inflation rate 2.04%" (Supports: Semiannual inflation rate)
      Published: 2026-11-02T14:59:51Z
      Snapshot SHA-256: c1ce83c1595d643a8ab4224f3071afde34ecb523b2e28f1484520b8d0c64fb06 (captured 2026-11-12T10:36:44Z)

Verification:
  Method: Automated extraction from [1] with deepseek-flash (JSON output, thinking disabled). Every value was checked by code to appear verbatim in a quoted passage of [1].
  Cross-check: not-available at 2026-11-12T10:36:44Z. No independent second source is configured for this entry
  Last successful check: 2026-11-12T10:36:44Z
  Last attempt: 2026-11-12T11:34:11Z (failed)

Notes and limitations:
  Extracted automatically from a single official source.

Change log:
  Time | Event | Change | Source
  2026-11-12T10:44:35Z | check-failed | Could not fetch the primary source: robots.txt disallows fetching this URL | —
  2026-11-12T10:36:44Z | added | Entry created | —
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How to cite:
    latestN. (2026). What is the current I Bond interest rate? Revision 1, last verified 2026-11-12T10:36:44Z. https://latestn.com/finance/i-bond-rate (accessed 2026-11-12T12:52:56Z).

    @misc{latestN_finance_i_bond_rate_r1,
      title        = {What is the current I Bond interest rate?},
      author       = {{latestN}},
      year         = {2026},
      howpublished = {\url{https://latestn.com/finance/i-bond-rate}},
      note         = {Revision 1; digest sha256:7fa2e994c825ebd8; last verified 2026-11-12T10:36:44Z; accessed 2026-11-12T12:52:56Z}
    }

URL: https://latestn.com/finance/i-bond-rate