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Weekly Fixed Income Insights


Track what matters in fixed income: Macro news, policy moves and developments in the municipal and corporate markets.

Warsh Delay: What, Now What, So What for Rates

April 22, 2026

Fixed income portfolio manager Kevin Lynyak shares his insights into the current bond market. Listen now:

FOMC Recap

April 30, 2026

Fixed income portfolio manager Kevin Lynyak recaps the FOMC meeting and bond market reaction. Listen now:


June 3, 2026


Macro update



Treasury yields moved lower across the curve last week as easing Middle East tensions prompted investors to unwind geopolitical risk premiums. The 10-year Treasury yield declined approximately 12 basis points (bps) to 4.43%, while markets continued to balance resilient economic data against expectations for a higher-for-longer Federal Reserve policy backdrop (Bloomberg, 5/29/2026).


Credit markets remained exceptionally firm. Investment-grade (IG) spreads tightened to levels near post-2000 lows, while all-in yields remained attractive. High yield spreads reflect continued investor demand for income and credit exposure (Bloomberg, 5/29/2026).


Primary market activity remained robust, with approximately $41 billion of IG corporate issuance pricing during the week. New-issue volume remains roughly 25% ahead of last year's pace as issuers continue to take advantage of favorable funding conditions and strong investor demand (Bloomberg, 5/29/2026).


Equity markets extended their advance. Artificial intelligence (AI) remained the dominant investment theme, with continued strength across semiconductors, cloud infrastructure, memory, hardware and software. Recent results from several AI-linked companies reinforced expectations for sustained enterprise technology spending (Bloomberg, 5/29/2026).


Looking ahead, investor attention turns to a busy economic calendar featuring both Institute for Supply Management (ISM) Manufacturing and Services, Job Openings and Labor Turnover Survey (JOLTS) job openings, ADP employment, jobless claims and the May employment payroll situation report on Friday. Labor market data will remain central to assessing the durability of economic growth, the inflation outlook and expectations for Fed policy ahead of the June 17 Federal Open Markets Committee meeting (Bloomberg, 5/29/2026).


Municipal bond update



AAA municipal yields declined sharply across the curve last week. Two- and five-year yields were both lower by 15 bps, while 10- and 30-year yields both dipped by 16 bps. This impressive price action leaves these benchmarks at 2.42%, 2.62%, 2.98% and 4.34%, respectively (LSEG, 5/29/2026).


Five- to 20-year A-rated muni yields closed last week ranging from 2.82% to 4.27%, with related taxable-equivalent yields ranging from 4.76% to 7.21%, assuming a combined federal tax rate of 40.8% (Parametric, LSEG, 5/29/2026).


Muni mutual funds saw near-record inflows last week of $2.3 billion, the second largest ever recorded. ETFs captured $1.7 billion, while open-end funds attracted $671 million (Lipper, JPMorgan, 5/27/2026).


Tax-exempt bonds outperformed Treasurys last week, with the Bloomberg Municipal Bond Index gaining 1.03%, compared to a 0.78% gain for the Bloomberg US Treasury Index. Munis are now up 1.34% year to date (YTD), and Treasurys are flat, at 0.00% (Bloomberg, 5/29/2026). 


Muni issuance this week spikes to approximately $17 billion, representing a spring-back from last week’s holiday-impacted $7 billion calendar (Ipreo, 5/29/2026).

Municipal Index Yield to Worst June 2 chartMunicipal Index Yield to Worst


Municipal Index Yield to Worst chart_May 26

Sources: LSEG, Parametric, 5/29/2026. Assuming a top federal tax rate of 37%, plus 3.8% net investment income tax rate, 40.8% combined. For illustrative purposes only. It is not possible to invest directly in an index. Past performance is no guarantee of future results.



Corporate bond update



The ICE BofA 1-10 Year US Corporate Index returned 0.55% for the week and 0.37% in May. The index outperformed like-duration Treasurys by 0.05% for the week and by 0.37% in May (Bloomberg, 5/29/2026).


US IG corporate yields were lower across the curve last week. Two-, five-, and 10-year yields fell 10, 12 and 12 bps, respectively. Corporate yields are higher YTD, with two-, five- and 10-year yields up 40, 37 and 26 bps, respectively (Bloomberg, 5/29/2026).


IG mutual funds and ETFs experienced inflows of $6.8 billion, a decrease from the previous week’s inflows of $8.9 billion. Corporate-only funds experienced inflows of $1.5 billion, following the previous week’s inflows of $1.3 billion (JPMorgan, 5/29/2026).


Corporate one- to 10-year IG bond yields, which have increased 38 bps YTD, ended last week at 4.9% (Bloomberg, 5/29/2026).



Corporate Index Yield to Worst


Corporate Index Yield to Worst June 2 chart 

Source: Bloomberg as of 5/29/2026. Past performance is no guarantee of future results. The index performance is provided for illustrative purposes only and is not meant to depict the performance of a specific investment.



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The views expressed are those of the authors and are current only through the date stated. These views are subject to change at any time based upon market or other conditions, and Parametric and its affiliates disclaim any responsibility to update such views. These views may not be relied upon as investment advice and, because investment decisions for Parametric are based on many factors, may not be relied upon as an indication of trading intent on behalf of any Parametric strategy. The discussion herein is general in nature and is provided for informational purposes only. There is no guarantee as to its accuracy or completeness. Past performance is no guarantee of future results. All investments are subject to the risk of loss. Prospective investors should consult with a tax or legal advisor before making any investment decision. Please refer to the Disclosure page on our website for important information about investments and risks.