BNP Paribas: Three Catalysts Driving 30-Year Treasury Yield to 5.6%
nashnova research
BNP Paribas forecasts the 30-year U.S. Treasury yield will reach 5.6% in coming months, driven by fiscal risk reinforcing itself through three channels — the higher yields go, the more the government pays in interest, the wider the deficit, and the higher yields are pushed.
Why does a Fed rate hike actually add to the fiscal bill?
The Fed raised rates by 25 basis points in September. Markets price in two more hikes in 2026 and another by April 2027 — four hikes in total.
This means → U.S. Treasury borrowing is concentrated at the short end of the curve. Each hike lifts the government's short-term funding cost directly.
BNP's head of U.S. rates strategy Guneet Dhingra estimates: if all four hikes materialize, the first-year interest burden rises by $116 billion, the second year by $168 billion.
In plain terms = that $168 billion in extra interest alone wipes out the entire incremental tariff revenue from 2025 — the money earned from tariffs is spent paying interest.
How does the "deficit–yield" doom loop work?
The U.S. budget deficit is widening again, driven by tariff refunds and rollbacks on the revenue side, and by higher long-end rates pushing up interest costs on the spending side.
This means → a self-reinforcing feedback loop is now in motion: wider deficit → higher yields → higher interest costs → even wider deficit.
This reflects a market concern that is no longer about a one-off event but about a structural problem that accelerates on its own.
Will the midterm elections actually cap spending?
The consensus view: if Democrats retake the House or even both chambers, gridlock will restrain spending. BNP argues this expectation may be too optimistic.
The bank cites the post-2018 midterm experience: even under divided government, high spending levels persisted.
In plain terms = history shows "split government = less spending" does not hold — money kept flowing under gridlock.
The bipartisan Senate Armed Services Committee has already approved a $250 billion defense-budget increase, reinforcing the case for fiscal expansion.
What is happening across global bond markets?
The 10-year Treasury yield this week climbed near 5.17%; the 30-year earlier touched 5.463%, its highest since 2004.
Yields on Japanese, British, and German government bonds are rising in tandem — this is not a U.S.-only story but a global sell-off.
ING's research team notes that debt dynamics — the relationship between the growth rate of government debt and economic growth — still point to further upward pressure on yields.
What is the key question for investors?
BNP's Dhingra concludes: given the combined fiscal risks, the path of least resistance for long-end yields remains upward.
This means → bond prices may keep falling, and rising yields compress the relative attractiveness of equities, putting sustained pressure on stock valuations.
The real market debate now: is the elevated yield range a technical overshoot (prices snapping back eventually) or a structural repricing of U.S. fiscal sustainability (no snap-back) — the answer will determine how deep the adjustment runs across asset classes.
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