Branch² Intelligence

Who Dropped the Bonds? Interest Rates, Part II - Paul Krugman | Substack

US · 2026-10-04

Key takeaway

30-year mortgage rate jumps from ~6% to ~7.3% in weeks — AI-driven demand for funds is the primary driver, per Paul Krugman

  1. Step 1 · The triggerimmense demand for funds from the AI boom drives long-term interest rates sharply higher, lifting the 30-year fixed mortgage rate from about 6% to nearly 7.3%
  2. Step 2 · Knock-onthe Iran war acts as a market narrative trigger amplifying the rate surge, and balance-sheet deleveraging adds further upward pressure
  3. Step 3 · Knock-onUS SME borrowing costs rise as lenders reprice off the higher long-end curve, and housing-linked consumer demand softens
  4. Step 4 · Reaches youan SME's floating-rate facility reprices higher at renewal, and its housing-dependent revenue line weakens, squeezing operating margin

The trigger is reported by the source below. The steps that follow are Branch²’s traced reasoning — how the shock could reach a business like yours, not a prediction.

Source: Google News US Business

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This is automated analysis for information only. It is not investment advice, not a recommendation, and not a solicitation to buy or sell any security. Branch² is not authorised or regulated. Do your own research.