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MARKETS
March 13, 2025

Muni Monthly—February 2025

By Sam Weitzman

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Performance Overview

Muni yields moved lower alongside Treasuries in February as investors sought safety amid growth concerns.

Fixed-income markets rallied in February and outperformed equities against a backdrop of heightened tariff rhetoric and growth concerns, which contributed to risk-off sentiment and expectations of deeper Federal Reserve cuts than previously anticipated. The Treasury yield curve bull-flattened, with short maturities moving slightly lower, while longer maturities fell by up to 33 basis points (bps). Municipal bond yields also moved lower across the curve, but generally lagged the sharp Treasury decline amid elevated supply conditions.

Exhibit 1: Municipal and Treasury Yield Curves
Municipal and Treasury Yield Curves
Source: Bloomberg. As of 28 Feb 25. AAA Callable Municipal Yield Curve and US On-/Off-the-Run Sovereign Curve.

Supply and Demand Technicals

Tax-exempt supply for the month of February nearly reached a record high.

This month, total municipal supply reached $39 billion, with tax-exempt issuance of $36 billion accounting for 92% of total new issuance and nearly setting a February record. Conversely, muni issuers recorded $3 billion of taxable supply in February, which fell below recent monthly averages as issuers continued to favor the tax-exempt markets in the higher rate environment. Year-to-date (YTD) total new issuance of $76 billion is 20% higher than last year’s levels.

The strong pace of tax-exempt supply was well-absorbed as muni demand accelerated in February. Estimates from ICI and Lipper indicate six consecutive weeks of net inflows starting mid-January, as end-of-year tax-loss harvesting activity faded and investors sought relatively higher after-tax income opportunities further out the yield curve. Mutual funds recorded approximately $6 billion of inflows for the month through February 26, according to ICI, reversing the trend of outflows observed at the end of last year.

Exhibit 2: February Tax-Exempt Municipal Issuance
February Tax-Exempt Municipal Issuance
Source: Western Asset, Bloomberg. As of 28 Feb 25.

Fundamentals/Outlook

Municipals offer after-tax value versus their taxable counterparts.

Despite its strong performance in February, Western Asset believes the municipal asset class continues to offer attractive after-tax income opportunities and a compelling relative value proposition across the curve and rating cohorts. The 3.55% average yield-to-worst (YTW) of the Bloomberg Muni Bond Index remains 33 bps higher than at the start of last year, and equivalent to 6.00% on a taxable-equivalent yield basis for an investor in the highest marginal tax bracket. Compared to like-rated taxable fixed-income, municipals continue to offer a relative after-tax income advantage, particularly among longer-duration and lower-investment-grade segments.

Exhibit 3: Taxable-Equivalent Municipal Yield Pickup vs. the Five-Year Average
Taxable-Equivalent Municipal Yield Pickup vs. the Five-Year Average
Source: Bloomberg, Western Asset. As of 28 Feb 25. 10- and 30-year comparison reflects Bloomberg Valuation Service (BVAL) AAA Muni Curve and US On-/Off-the-Run Sovereign Curve. AA Muni reflects the Bloomberg AA Muni Bond Index. A Muni reflects the Bloomberg A Muni Bond Index. BBB Muni reflects the Bloomberg BBB Muni Bond Index. HY Muni reflects the Bloomberg High Yield Muni Bond Index. AA Corp reflects the Bloomberg AA Corporate Bond Index. A Corp reflects the Bloomberg A Corporate Bond Index. BBB Corp reflects the Bloomberg BBB Corporate Bond Index. Taxable-equivalent yield considers top marginal tax rate of 40.8%. Indexes are unmanaged and one cannot directly invest in them. They do not include fees, expenses or sales charges. Past performance is not an indicator or a guarantee of future results.
Yield-to-Worst (YTW) is the lesser of yield-to-maturity (YTM) or yield-to-call (YTC) across all known call dates.

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