Brian Chappatta, Columnist

Forget Bitcoin or Tesla. Muni Bonds Are the King of Costly.

State and local debt has become arguably the most expensive asset class anywhere.

Local debt takes the crown.

Photographer: Anders Wiklund/AFP/Getty Images

Lock
This article is for subscribers only.

Believe it or not, the $3.9 trillion municipal-bond market and Bitcoin have much in common.

A flood of money pouring in? Check: Muni bond funds added about $2 billionBloomberg Terminal in the week ended Feb. 17, according to Refinitiv Lipper US Fund Flows data, building upon a $2.6 billion inflow in the prior period that was the fourth-largest on record. Scarce supply? You bet: Some analysts estimateBloomberg Terminal that states and cities in 2021 will bring to market the smallest amount of tax-exempt bonds in 21 years. Fiscal stimulus supporting its case? Indeed: The prospect of $350 billion in aid to state and local governments should help stave off any widespread credit stress.