S&P National AMT-Free Municipal Bond Index
E605256
The S&P National AMT-Free Municipal Bond Index is a benchmark that tracks the performance of U.S. dollar–denominated, investment-grade municipal bonds whose interest is exempt from the federal alternative minimum tax.
All labels observed (4)
| Label | Occurrences |
|---|---|
| AMT-free municipal bond index | 1 |
| S&P Municipal Bond Index | 1 |
| S&P Municipal Bond Index family | 1 |
| S&P National AMT-Free Municipal Bond Index canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6581585 — 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: S&P National AMT-Free Municipal Bond Index Context triple: [S&P-branded indices, includesIndex, S&P National AMT-Free Municipal Bond Index]
-
A.
S&P 90 Index
The S&P 90 Index was an early U.S. stock market index composed of 90 leading companies, serving as a precursor to the broader S&P 500.
-
B.
Russell 1000 Value Index
The Russell 1000 Value Index is a U.S. stock market index that tracks the performance of large- and mid-cap companies in the Russell 1000 considered undervalued based on fundamental metrics such as book-to-price and earnings ratios.
-
C.
Russell Midcap Index
The Russell Midcap Index is a U.S. stock market index that measures the performance of mid-cap companies, typically representing the middle segment of the Russell 1000 Index.
-
D.
Russell 1000 Growth Index
The Russell 1000 Growth Index is a stock market index that tracks the performance of large- and mid-cap U.S. companies with higher growth characteristics, such as above-average earnings and revenue growth.
-
E.
Russell 1000 Index
The Russell 1000 Index is a U.S. stock market index that tracks the performance of the 1,000 largest publicly traded companies, representing the large-cap segment of the American equity market.
- 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: S&P National AMT-Free Municipal Bond Index Target entity description: The S&P National AMT-Free Municipal Bond Index is a benchmark that tracks the performance of U.S. dollar–denominated, investment-grade municipal bonds whose interest is exempt from the federal alternative minimum tax.
-
A.
S&P 90 Index
The S&P 90 Index was an early U.S. stock market index composed of 90 leading companies, serving as a precursor to the broader S&P 500.
-
B.
Russell 1000 Value Index
The Russell 1000 Value Index is a U.S. stock market index that tracks the performance of large- and mid-cap companies in the Russell 1000 considered undervalued based on fundamental metrics such as book-to-price and earnings ratios.
-
C.
Russell Midcap Index
The Russell Midcap Index is a U.S. stock market index that measures the performance of mid-cap companies, typically representing the middle segment of the Russell 1000 Index.
-
D.
Russell 1000 Growth Index
The Russell 1000 Growth Index is a stock market index that tracks the performance of large- and mid-cap U.S. companies with higher growth characteristics, such as above-average earnings and revenue growth.
-
E.
Russell 1000 Index
The Russell 1000 Index is a U.S. stock market index that tracks the performance of the 1,000 largest publicly traded companies, representing the large-cap segment of the American equity market.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
benchmark index
ⓘ
bond index ⓘ fixed income index ⓘ |
| assetClass | fixed income ⓘ |
| benchmarkFor |
municipal bond ETFs
ⓘ
municipal bond funds ⓘ |
| category |
AMT-free municipal bond index
ⓘ
linked to:
S&P National AMT-Free Municipal Bond Index
|
| creditQuality | investment grade ⓘ |
| currency |
U.S. dollar
ⓘ
linked to:
US dollar
|
| dataVendor | S&P Dow Jones Indices ⓘ |
| denomination | U.S. dollar–denominated bonds ⓘ |
| excludes |
below-investment-grade municipal bonds
ⓘ
non–U.S. dollar–denominated municipal bonds ⓘ taxable municipal bonds ⓘ |
| excludesSecurityType | bonds subject to federal alternative minimum tax ⓘ |
| focusesOn | investment-grade municipal bonds ⓘ |
| geographicScope |
United States
ⓘ
linked to:
United States of America
|
| includesSecurityType |
municipal general obligation bonds
ⓘ
municipal revenue bonds ⓘ |
| investorType | tax-sensitive investors ⓘ |
| managedBy | S&P Dow Jones Indices ⓘ |
| methodologyPublisher | S&P Dow Jones Indices ⓘ |
| objective | to measure the performance of AMT-free U.S. municipal bonds ⓘ |
| regionCovered | national U.S. municipal market ⓘ |
| relatedTo |
S&P Municipal Bond Index family
ⓘ
linked to:
S&P National AMT-Free Municipal Bond Index
|
| sector | municipal bond market ⓘ |
| taxStatus |
interest exempt from U.S. federal alternative minimum tax
ⓘ
interest generally exempt from U.S. federal income tax ⓘ |
| tracks | U.S. municipal bonds ⓘ |
| usedAs |
performance benchmark
ⓘ
underlying index for investment products ⓘ |
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: S&P National AMT-Free Municipal Bond Index Description of subject: The S&P National AMT-Free Municipal Bond Index is a benchmark that tracks the performance of U.S. dollar–denominated, investment-grade municipal bonds whose interest is exempt from the federal alternative minimum tax.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: S&P National AMT-Free Municipal Bond Index
linked to: S&P National AMT-Free Municipal Bond Index
linked to: S&P National AMT-Free Municipal Bond Index