Series I savings bonds
E177894
Series I savings bonds are U.S. government savings securities designed to protect against inflation by combining a fixed interest rate with an inflation-adjusted rate.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Series I Savings Bonds | 1 |
| Series I savings bonds canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1542610 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Series I savings bonds Context triple: [TreasuryDirect, offersProduct, Series I savings bonds]
-
A.
Series EE savings bonds
Series EE savings bonds are low-risk, U.S. government-backed savings securities that earn interest over time and are commonly used for long-term, conservative investing and savings goals.
-
B.
U.S. savings notes
U.S. savings notes were non-marketable U.S. government savings securities, similar to savings bonds, that allowed individuals to invest small amounts in Treasury debt and earn interest over time.
-
C.
Treasury Inflation-Protected Securities (TIPS)
Treasury Inflation-Protected Securities (TIPS) are U.S. government bonds whose principal and interest payments adjust with inflation, providing investors protection against rising prices.
-
D.
Silver Certificate
A Silver Certificate was a form of U.S. paper currency once redeemable for a corresponding amount of silver, issued primarily in the late 19th and early 20th centuries.
-
E.
National Bank Note
A National Bank Note was a type of U.S. paper currency issued by federally chartered national banks and backed by U.S. government bonds during the late 19th and early 20th centuries.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Series I savings bonds Target entity description: Series I savings bonds are U.S. government savings securities designed to protect against inflation by combining a fixed interest rate with an inflation-adjusted rate.
-
A.
Series EE savings bonds
Series EE savings bonds are low-risk, U.S. government-backed savings securities that earn interest over time and are commonly used for long-term, conservative investing and savings goals.
-
B.
U.S. savings notes
U.S. savings notes were non-marketable U.S. government savings securities, similar to savings bonds, that allowed individuals to invest small amounts in Treasury debt and earn interest over time.
-
C.
Treasury Inflation-Protected Securities (TIPS)
Treasury Inflation-Protected Securities (TIPS) are U.S. government bonds whose principal and interest payments adjust with inflation, providing investors protection against rising prices.
-
D.
Silver Certificate
A Silver Certificate was a form of U.S. paper currency once redeemable for a corresponding amount of silver, issued primarily in the late 19th and early 20th centuries.
-
E.
National Bank Note
A National Bank Note was a type of U.S. paper currency issued by federally chartered national banks and backed by U.S. government bonds during the late 19th and early 20th centuries.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. savings bond
ⓘ
non-marketable security ⓘ |
| ageRequirement | can be owned by minors with a custodian ⓘ |
| backing | full faith and credit of the United States government ⓘ |
| category | retail savings product ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currency |
US dollar
ⓘ
surface form:
United States dollar
|
| denominationType |
electronic
ⓘ
paper via federal tax refund ⓘ |
| earlyRedemptionPenalty | forfeit last 3 months of interest if redeemed before 5 years ⓘ |
| educationTaxBenefit | may be tax-advantaged for qualified higher education expenses ⓘ |
| electronicPurchaseLimitPerPersonPerYear | 10000 USD ⓘ |
| eligibleOwners |
U.S. individuals
ⓘ
certain trusts and estates ⓘ |
| fixedRateDetermination | set by U.S. Treasury at time of purchase ⓘ |
| giftability | can be given as a gift in TreasuryDirect ⓘ |
| inflationIndex |
Consumer Price Index
ⓘ
surface form:
Consumer Price Index for All Urban Consumers
|
| inflationRateDetermination | based on change in CPI-U over prior six months ⓘ |
| interestAccrualFrequency | monthly ⓘ |
| interestCompoundingFrequency | semiannual ⓘ |
| interestPaymentMethod | accrued and paid at redemption or maturity ⓘ |
| interestRateFloor | cannot go below 0 percent composite rate ⓘ |
| interestRateResetFrequency | semiannual ⓘ |
| interestStructure | fixed rate plus inflation-adjusted rate ⓘ |
| interestTaxation |
exempt from local income tax
ⓘ
exempt from state income tax ⓘ subject to federal income tax ⓘ |
| interestType | compound interest ⓘ |
| introductionYear | 1998 ⓘ |
| issueDateDefinition | first day of the month in which payment is received ⓘ |
| issuer | United States Department of the Treasury ⓘ |
| marketability | non-marketable ⓘ |
| maturity | 30 years ⓘ |
| maximumSingleElectronicBond | 10000 USD ⓘ |
| minimumElectronicDenomination | 25 USD ⓘ |
| minimumHoldingPeriod | 1 year ⓘ |
| ownershipForm | registered security ⓘ |
| paperPurchaseLimitViaTaxRefundPerYear | 5000 USD ⓘ |
| purpose |
encourage long-term saving
ⓘ
protect against inflation ⓘ |
| redemptionLocation |
TreasuryDirect
ⓘ
surface form:
TreasuryDirect for electronic bonds
participating financial institutions for paper bonds ⓘ |
| regulator | Bureau of the Fiscal Service ⓘ |
| riskLevel | low credit risk ⓘ |
| salePlatform | TreasuryDirect ⓘ |
| transferability | non-transferable ⓘ |
| useCase |
inflation hedge
ⓘ
long-term savings ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Series I savings bonds Description of subject: Series I savings bonds are U.S. government savings securities designed to protect against inflation by combining a fixed interest rate with an inflation-adjusted rate.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Treasury Inflation-Protected Securities
this entity surface form:
Series I Savings Bonds