The Treasury Department said it will auction $13 billion 29-year, 10-month bonds on April 11.
The notes settle April 15 and are due Feb. 15, 2042.
"I would much rather invest in the muni, both in terms of default rates and in terms of the yield that you're getting off of those," said Travis Lower.
Wednesday's market rally is tied to President Donald Trump's announcement of the temporary ceasefire, which came about Tuesday night, an hour and a half before the president's 8 p.m. deadline, market participants said.
As Congress returns to Washington in the next few weeks thoughts will turn to a problematic reconciliation bill, a housing bill close to completion and a farm bill facing serious challenges.
Voters rejected a 3% hotel tax increase Tuesday in Springfield, Missouri. They had already rejected a similar measure in November.
"The steady tone talks to the underlying demand" for munis, NewSquare Capital's Kim Olsan said. "For the moment, munis are holding steady with a watchful approach.
Illinois curently plans $3.2 billion of bond sales in FY2027 under Gov. JB Pritzker's executive budget, the Commission on Government Forecasting and Accountability said, adding additional authorization requests are expected.