Bond Market Flashes Fiscal Dominance Warning as Yields Diverge

Published 28/08/2025, 13:51
Updated 28/08/2025, 14:00

The bond market is smelling trouble.

The chart below shows my proxy for the US Fiscal Dominance theme.

US 30Y-5Y Yields Chart

The bond market is clearly smelling trouble by pricing an aggressive resurgence of Fiscal Dominance - a combination of aggressive fiscal primary spending with a politically biased dovish Fed.

How is the Fiscal Dominance proxy calculated?

It’s the 30-year nominal US yield minus the 5-year real US yield.

This is why it makes sense to use this metric to proxy the fiscal dominance theme.

When 5-year real yields drop rapidly, it often happens as a combination of inflation expectations going up but nominal yields moving down - markets are basically repricing inflation higher, but they are aware that a dovish-biased Fed will not react to higher inflation.

The rare combination of inflation expectations up + nominal yields down is happening as we speak.

Then, the release valve for the fiscal dominance becomes the long-end.

When 30-year nominal yields increase rapidly while 5-year real yields remain low, this is often a sign that investors are paying attention to the unorthodox combination of strong fiscal spending and a dovish Central Bank.

Bond markets are starting to smell trouble.

Do you think this fiscal dominance theme will extend further or not?

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