Muni-Bond Yield Curve Is the Flattest Since November 2007: Chart

The gap between short- and long-term yields in the $3.7 trillion municipal-bond market is the narrowest in more than eight years. Benchmark 30-year munis yielded 0.735 percentage points more than 10-year securities on Wednesday, the smallest difference since November 2007. This means that investors are earning less for the risk of holding securities with longer maturities.

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