Weekly Fixed Income Market Update: December 18, 2025

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  • Markets absorbed mixed economic data following the November jobs report and CPI release, with investors looking to the return of official economic data for insight into the Federal Reserve’s decision-making process in 2026
  • Non-farm payrolls increased by 64,000 in November after declining 105,000 in October, as the 162,000 government employees who participated in the Trump administration’s deferred resignation program officially dropped off payrolls
    • The unemployment rate rose to 4.6%, exceeding consensus estimates and driven by increased layoff announcements and workers’ struggles to find employment
  • Core CPI rose at the slowest annual pace since March 2021, growing 2.6% versus expectations of 3.0%; the report points to some easing in inflationary pressures, although data collection issues related to the government shutdown may have affected the November figures
  • The Treasury curve steepened week-over-week, supported by the December FOMC outcome; the spread between the 2- and 10-year Treasury rates widened 6bps to 67bps
  • Investment-grade and high-yield issuers wrapped up the week with supply in each market totaling $1 billion, likely concluding new debt issuance until 2026
    • Investment-grade corporate spreads widened by 3bps to 79bps, while yields increased 2bps to 4.85%
    • High-yield corporate spreads widened by 8bps to 283bps as mixed economic data and an uncertain rate path weighed on sentiment; yields rose by 4bps to 6.73%
  • Asset-backed securities underperformed other securitized sectors despite ABS spreads remaining unchanged at 53bps for the week
  • Short-maturity municipals underperformed Treasuries as the 2- and 5-year muni/Treasury ratios rose; the 2-year muni/Treasury rose from 69.8% to 70.7%
    • Demand was relatively strong as municipal bond funds reported $260 million of net inflows last week

 

Treasury Yield Curve

 

 

Month-to-Date Excess Returns

Sources: Bloomberg and Bloomberg Index Services Limited. All commentary and data as of 12/18/25 unless otherwise noted.

Excess returns are the curve-adjusted excess return of a given index relative to a term structure-matched position in Treasuries. The views contained in this report are those of IR+M and are based on information obtained by IR+M from sources that are believed to be reliable but IR+M makes no guarantee as to the accuracy or completeness of the underlying third-party data used to form IR+M’s views and opinions. This report is for informational purposes only and is not intended to provide specific advice, recommendations, or projected returns for any particular IR+M product. No part of this material may be reproduced in any form, or referred to in any other publication, without express written permission from Income Research + Management. “Bloomberg®” and Bloomberg Indices are service marks of Bloomberg Finance L.P. and its affiliates, including Bloomberg Index Services Limited (“BISL”), the administrator of the index (collectively, “Bloomberg”) and have been licensed for use for certain purposes by IR+M. Bloomberg is not affiliated with IR+M, and Bloomberg does not approve, endorse, review, or recommend the products described herein. Bloomberg does not guarantee the timeliness, accurateness, or completeness of any data or information relating to any IR+M product.

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