The escalating Middle East conflict has driven investors toward municipal bonds as a safe haven, with analysts noting their domestic focus provides insulation from international turmoil. While US Treasuries sold off amid inflation fears and oil price volatility, municipal bonds continue to attract strong investor interest.

Leslie Martin of Cavanal Hill Investment Management reports new municipal bond deals are regularly five to 10 times oversubscribed, with February returns hitting 1.25% - the best performance since 2020. Barclays analysts led by Mikhail Foux wrote that through February, munis remain the best performing fixed income asset class.

Despite typical seasonal weakness expected in March, JPMorgan Chase & Co. analysts estimate $32 billion in reinvestment capital will hit the market, potentially disrupting usual patterns. Jason Appleson of PGIM Fixed Income notes that while March typically brings weakness as investors sell to pay taxes, the current pile of cash could support strong market conditions through at least mid-March.