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Moody's Seasoned Aaa Corporate Bond Yield Relative to Yield on 10-Year Treasury Constant Maturity (AAA10YM)

Observations

Dec 2025: 1.17
Updated: Jan 2, 2026 4:03 PM CST
Dec 2025:  1.17  
Nov 2025:  1.17  
Oct 2025:  1.07  
Sep 2025:  1.09  
Aug 2025:  1.09  

Units:

Percent,
Not Seasonally Adjusted

Frequency:

Monthly

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Notes

Title Release Dates
Moody's Seasoned Aaa Corporate Bond Yield Relative to Yield on 10-Year Treasury Constant Maturity 2014-05-16 2016-10-06
Moody's Seasoned Aaa Corporate Bond Yield Relative to Yield on 10-Year Treasury Constant Maturity (DISCONTINUED) 2016-10-07 2017-03-21
Moody's Seasoned Aaa Corporate Bond Yield Relative to Yield on 10-Year Treasury Constant Maturity 2017-03-22 2026-01-02
 
Source    
Federal Reserve Bank of St. Louis 2014-05-16 2026-01-02
 
Release    
Interest Rate Spreads 2014-05-16 2026-01-02
 
Units    
Percent 2014-05-16 2026-01-02
 
Frequency    
Monthly 2014-05-16 2026-01-02
 
Seasonal Adjustment    
Not Seasonally Adjusted 2014-05-16 2026-01-02
 
Notes    
Series is calculated as the spread between Moody's Seasoned Aaa Corporate Bond (https://fred.stlouisfed.org/series/AAA) and 10-Year Treasury Constant Maturity (https://fred.stlouisfed.org/series/GS10).

2014-05-16 2016-10-06
On September 26, 2016 the Board of Governors announced changes to several data series from the H.15 releases (http://www.federalreserve.gov/feeds/h15.html). Because of these changes the series has been discontinued.

Series is calculated as the spread between Moody's Seasoned Aaa Corporate Bond (https://fred.stlouisfed.org/series/AAA) and 10-Year Treasury Constant Maturity (https://fred.stlouisfed.org/series/GS10).

2016-10-07 2017-03-21
Series is calculated as the spread between Moody's Seasoned Aaa Corporate Bond© (https://fred.stlouisfed.org/series/AAA) and 10-Year Treasury Constant Maturity (https://fred.stlouisfed.org/series/GS10).

©2017, Moody’s Corporation, Moody’s Investors Service, Inc., Moody’s Analytics, Inc. and/or their licensors and affiliates (collectively, “Moody’s”). All rights reserved. Moody’s ratings and other information (“Moody’s Information”) are proprietary to Moody’s and/or its licensors and are protected by copyright and other intellectual property laws. Moody’s Information is licensed to Client by Moody’s. MOODY’S INFORMATION MAY NOT BE COPIED OR OTHERWISE REPRODUCED, REPACKAGED, FURTHER TRANSMITTED, TRANSFERRED, DISSEMINATED, REDISTRIBUTED OR RESOLD, OR STORED FOR SUBSEQUENT USE FOR ANY SUCH PURPOSE, IN WHOLE OR IN PART, IN ANY FORM OR MANNER OR BY ANY MEANS WHATSOEVER, BY ANY PERSON WITHOUT MOODY’S PRIOR WRITTEN CONSENT.

2017-03-22 2019-06-20
Series is calculated as the spread between Moody's Seasoned Aaa Corporate Bond© (https://fred.stlouisfed.org/series/AAA) and 10-Year Treasury Constant Maturity (BC_10YEAR).

©2017, Moody's Corporation, Moody's Investors Service, Inc., Moody's Analytics, Inc. and/or their licensors and affiliates (collectively, "Moody's"). All rights reserved. Moody's ratings and other information ("Moody's Information") are proprietary to Moody's and/or its licensors and are protected by copyright and other intellectual property laws. Moody's Information is licensed to Client by Moody's. MOODY'S INFORMATION MAY NOT BE COPIED OR OTHERWISE REPRODUCED, REPACKAGED, FURTHER TRANSMITTED, TRANSFERRED, DISSEMINATED, REDISTRIBUTED OR RESOLD, OR STORED FOR SUBSEQUENT USE FOR ANY SUCH PURPOSE, IN WHOLE OR IN PART, IN ANY FORM OR MANNER OR BY ANY MEANS WHATSOEVER, BY ANY PERSON WITHOUT MOODY'S PRIOR WRITTEN CONSENT.
Starting with the update on June 21, 2019, the Treasury bond data used in calculating interest rate spreads is obtained directly from the U.S. Treasury Department (https://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/TextView.aspx?data=yield).

2019-06-21 2026-01-02

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AAA Bond Rating Spread 10-Year Maturity Bonds Yield Treasury Corporate Interest Rate Interest St. Louis Fed Rate Copyrighted: Citation Required Monthly Nation United States of America Not Seasonally Adjusted