Credit Rating Agency Ratings History Data

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Under SEC Regulation 17g-7, Nationally Recognized Statistical Rating Organizations (NRSRSOs) are required to report their historical rating assignments, upgrades, downgrades and withdrawals since 2010. The files must be updated monthly, formatted in XBRL and posted to each rating agency's website. Rating data are generally reported on a one year delay.

Because most researchers are unfamiliar with XBRL and cannot easily locate the history files, this valuable resource has seen limited use. On this web page, we provide histories from multiple agencies converted to CSV format - which may be directly loaded into Microsoft Excel or Access.

The files linked below are named to denote the date provided, rating agency name and asset category.

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• 20180415 Moody's Investors Service ABCP.csv (390 rows)
• 20180415 Moody's Investors Service CDO.csv (6597 rows)
• 20180415 Moody's Investors Service CLO.csv (177 rows)
• 20180415 Moody's Investors Service CMBS.csv (25825 rows)
• 20180415 Moody's Investors Service Corporate.csv (69412 rows)
• 20180415 Moody's Investors Service Financial.csv (71386 rows)
• 20180415 Moody's Investors Service INT Public.csv (30529 rows)
• 20180415 Moody's Investors Service Other ABS.csv (25938 rows)
• 20180415 Moody's Investors Service Other SFP.csv (153495 rows)
• 20180415 Moody's Investors Service RMBS.csv (69783 rows)
• 20180415 Moody's Investors Service US Public.csv (3226760 rows)
• 20180401 Standard & Poor's Ratings Services ABCP.csv (315 rows)
• 20180401 Standard & Poor's Ratings Services CDO.csv (1570 rows)
• 20180401 Standard & Poor's Ratings Services CLO.csv (15136 rows)
• 20180401 Standard & Poor's Ratings Services CMBS.csv (9361 rows)
• 20180401 Standard & Poor's Ratings Services Corporate.csv (200358 rows)
• 20180401 Standard & Poor's Ratings Services Financial.csv (139878 rows)
• 20180401 Standard & Poor's Ratings Services INT Public.csv (29534 rows)
• 20180401 Standard & Poor's Ratings Services Insurance.csv (48975 rows)
• 20180401 Standard & Poor's Ratings Services Other ABS.csv (18530 rows)
• 20180401 Standard & Poor's Ratings Services Other SFP.csv (3929 rows)
• 20180401 Standard & Poor's Ratings Services RMBS.csv (94924 rows)
• 20180401 Standard & Poor's Ratings Services Sovereign.csv (32566 rows)
• 20180401 Standard & Poor's Ratings Services US Public.csv (3364036 rows)
• 20180401 Fitch Ratings ABCP.csv (59 rows)
• 20180401 Fitch Ratings CDO.csv (6537 rows)
• 20180401 Fitch Ratings CLO.csv (804 rows)
• 20180401 Fitch Ratings CMBS.csv (16629 rows)
• 20180401 Fitch Ratings Corporate.csv (26857 rows)
• 20180401 Fitch Ratings Financial.csv (133831 rows)
• 20180401 Fitch Ratings INT Public.csv (8037 rows)
• 20180401 Fitch Ratings Insurance.csv (4362 rows)
• 20180401 Fitch Ratings Other ABS.csv (7794 rows)
• 20180401 Fitch Ratings RMBS.csv (54320 rows)
• 20180401 Fitch Ratings Sovereign.csv (29459 rows)
• 20180401 Fitch Ratings US Public.csv (364518 rows)
• 20161208 A.M.BEST COMPANY CDO.csv (32 rows)
• 20161208 A.M.BEST COMPANY Corporate.csv (1735 rows)
• 20161208 A.M.BEST COMPANY Insurance.csv (20108 rows)
• 20161208 A.M.BEST COMPANY Other SFP.csv (10 rows)
• 20161209 A.M.BEST COMPANY CDO.csv (3 rows)
• 20161209 A.M.BEST COMPANY Corporate.csv (594 rows)
• 20161209 A.M.BEST COMPANY Insurance.csv (8843 rows)
• 20161209 A.M.BEST COMPANY Other SFP.csv (4 rows)
• 20180423 DBRS ABCP.csv (192 rows)
• 20180423 DBRS CDO.csv (440 rows)
• 20180423 DBRS CLO.csv (1318 rows)
• 20180423 DBRS CMBS.csv (6733 rows)
• 20180423 DBRS Corporate.csv (1805 rows)
• 20180423 DBRS Financial.csv (5101 rows)
• 20180423 DBRS INT Public.csv (315 rows)
• 20180423 DBRS Insurance.csv (113 rows)
• 20180423 DBRS Other ABS.csv (5702 rows)
• 20180423 DBRS Other SFP.csv (3411 rows)
• 20180423 DBRS RMBS.csv (42329 rows)
• 20180423 DBRS Sovereign.csv (174 rows)
• 20180331 Japan Credit Rating Agency,Ltd. Corporate.csv (12269 rows)
• 20180331 Japan Credit Rating Agency,Ltd. Financial.csv (4552 rows)
• 20180331 Japan Credit Rating Agency,Ltd. INT Public.csv (2298 rows)
• 20180331 Japan Credit Rating Agency,Ltd. Insurance.csv (310 rows)
• 20180331 Japan Credit Rating Agency,Ltd. Sovereign.csv (474 rows)
• 20180404 Kroll Bond Rating Agency, Inc. CMBS.csv (7919 rows)
• 20180404 Kroll Bond Rating Agency, Inc. Corporate.csv (25 rows)
• 20180404 Kroll Bond Rating Agency, Inc. Financial.csv (3962 rows)
• 20180404 Kroll Bond Rating Agency, Inc. Insurance.csv (25 rows)
• 20180404 Kroll Bond Rating Agency, Inc. Other ABS.csv (2070 rows)
• 20180404 Kroll Bond Rating Agency, Inc. RMBS.csv (6314 rows)
• 20180404 Kroll Bond Rating Agency, Inc. US Public.csv (85028 rows)
• 20180427 Egan-Jones Ratings Company Corporate.csv (73862 rows)
• 20180427 Egan-Jones Ratings Company Financial.csv (85264 rows)
• 20180427 Egan-Jones Ratings Company Insurance.csv (4626 rows)
• 20180427 Egan-Jones Ratings Company NA.csv (5 rows)
• 20180427 Egan-Jones Ratings Company Real Estate.csv (3 rows)
• 20180427 Egan-Jones Ratings Company Sovereign.csv (11563 rows)
• 20180111 HR Ratings de Mexico S.A. de C.V. Corporate.csv (967 rows)
• 20180111 HR Ratings de Mexico S.A. de C.V. Financial.csv (3337 rows)
• 20180111 HR Ratings de Mexico S.A. de C.V. INT Public.csv (1896 rows)
• 20180111 HR Ratings de Mexico S.A. de C.V. Insurance.csv (46 rows)
• 20180111 HR Ratings de Mexico S.A. de C.V. Other ABS.csv (313 rows)
• 20180111 HR Ratings de Mexico S.A. de C.V. Sovereign.csv (24 rows)
• 20180111 HR Ratings de Mexico S.A. de C.V. US Public.csv (34 rows)
• 20180427 Morningstar Credit Ratings, LLC. CMBS.csv (15455 rows)
• 20180427 Morningstar Credit Ratings, LLC. Corporate.csv (2053 rows)
• 20180427 Morningstar Credit Ratings, LLC. Other ABS.csv (21 rows)
• 20180427 Morningstar Credit Ratings, LLC. RMBS.csv (480 rows)

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Abbreviations in these files are explained in Section 2.4 of the SEC's Rating History Publication Guide.

Download and parsing script available on Github.

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This resource was created by the Center for Municipal Finance with the generous support from the Center for Corporate and Securities Law at the University of San Diego School of Law.

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