LSEG Mergent

LSEG Mergent Fixed Income Securities Database (FISD) for academia provides details on debt issues and the issuers, as well as transactions by insurance companies.

Data Available

100,000+ corporate, corporate MTN (medium-term note), supranational, U.S. Agency, and U.S. Treasury debt securities and 500+ data items.

Products

Description

Data Product Details


Title:

FTSE Russel US

Product Code/Schema:

ftse_russell_us

View Sample Data
Data Dictionary

Data Specifications

Date Range:

1978-12-29 - 2026-08-31

Update Frequency:

Monthly

Total Size:

670.8 MiB

Data Last Updated:

Sept. 10, 2026, 5:02 a.m.

Usage:


Niche Extensive

Content Summary

Identifiers:

No identifiers specified for this product.

Regions:

North America

Concepts:

Indices and Factors

Data Product Details


Title:

Mergent Common Files

Product Code/Schema:

fisd_common

View Sample Data
WRDS Overview
Data Dictionary

Data Specifications

Date Range:

1894-10-02 - 2126-02-13

Update Frequency:

N/A

Total Size:

276.0 MiB

Data Last Updated:

Aug. 13, 2026, 4:48 p.m.

Usage:


Niche Extensive

Content Summary

Identifiers:

No identifiers specified for this product.

Regions:

No associated region tags.

Concepts:

No associated concept tags.

Data Product Details


Title:

Mergent FISD Database

Product Code/Schema:

fisd_fisd

View Sample Data
WRDS Overview
Data Dictionary

Data Specifications

Date Range:

1800-06-20 - 7203-04-11

Update Frequency:

Annually

Total Size:

65.40 GiB

Data Last Updated:

Aug. 13, 2026, 6:08 p.m.

Usage:


Niche Extensive

Content Summary

Identifiers:

  • sic

Regions:

North America

Concepts:

Bonds and Fixed Income

Data Product Details


Title:

Mergent FISD transactions

Product Code/Schema:

fisd_naic

View Sample Data
WRDS Overview
Data Dictionary

Data Specifications

Date Range:

1899-12-31 - 9999-12-24

Update Frequency:

Annually

Total Size:

1.37 GiB

Data Last Updated:

Aug. 13, 2026, 4:52 p.m.

Usage:


Niche Extensive

Content Summary

Identifiers:

No identifiers specified for this product.

Regions:

North America

Concepts:

Bonds and Fixed Income

Data Product Details


Title:

FTSE Russell Sample

Product Code/Schema:

ftsesamp_russell_us

Data Dictionary

Data Specifications

Date Range:

2008-08-29 - 2017-09-29

Update Frequency:

N/A

Total Size:

11.2 MiB

Data Last Updated:

None

Usage:


Niche Extensive

Content Summary

Identifiers:

No identifiers specified for this product.

Regions:

North America

Concepts:

Indices and Factors

Often Paired With:


No related products specified.

Data Product Details


Title:

Mergent FISD sample

Product Code/Schema:

fisdsamp_all

WRDS Overview
Data Dictionary

Data Specifications

Date Range:

1975-03-20 - 2098-01-15

Update Frequency:

N/A

Total Size:

26.3 MiB

Data Last Updated:

Oct. 3, 2013, 6:39 p.m.

Usage:


Niche Extensive

Content Summary

Identifiers:

No identifiers specified for this product.

Regions:

North America

Concepts:

Bonds and Fixed Income

Often Paired With:


No related products specified.

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Vendor Details