The Volcker Shadow: Why Warsh Is Burning the Bond Market’s Insurance Policy

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By: Raymond Vance

Kevin Warsh may be the most hawkish Federal Reserve chair since Paul Volcker. That label is a compliment in some circles. It is a warning in others. Volcker beat inflation, but he broke things on the way. The bond market is now finding out what Warsh might break. Thirty-year Treasury yields have climbed to their highest level since 2002. In September alone, the 10-year yield jumped more than half a percentage point, to about 5.3%. It was the worst month for U.S. government bonds in four years. The usual explanations do not hold up. Technical dynamics like a modest slackening in the basis trade play a small role. Some point to a higher term premium. Others cite an “absorption premium.” These are abstruse and difficult to measure. They are insufficient to explain a shift in a $40 trillion market. They are not the drivers of this tectonic regime change. Strategic explanations like inflation, deficits, and geopolitics are background risks. Nothing in August or September re-priced them. What changed was the Fed.

The sequence of events reveals the trigger. On August 28, Warsh signaled a hawkish turn at Jackson Hole. Torsten Sløk, Apollo’s chief economist, noted the shift. The sell-off began as traders priced in a September hike. On September 11, a hot August CPI report added fuel. The sell-off accelerated. On September 16, the Fed raised rates a quarter point. This was expected. Warsh’s tone was not. He stressed “discipline” and “resolve.” He promised that “this Fed will deliver price stability.” The dot plot pointed to more hikes. Inflation was projected to stay above target until 2029. Markets then priced a string of hikes. There is an 80% chance of at least 100 basis points more than before Jackson Hole. “Higher for longer” had become “much higher for much longer.”

Traders panicked because they remember the last time. In 2022–23, the Fed raised rates 525 basis points in 17 months. The Bloomberg Aggregate Index fell 13%. Treasurys lost 12.5%. The 10-year lost 16%. Its worst return in a century. The iShares 20+ Year Treasury ETF lost 31.4%. The damage spread. Mark-to-market losses on “safe” bonds helped kill Silicon Valley Bank. By mid-2023, banks carried almost $700 billion in unrealized losses. That figure remains high today. Mortgage rates went from 3% to nearly 8%. The housing affordability crisis lingers. Traders now have a template for an aggressive Fed. They would rather overreact than underreact. The bill so far is substantial. The iShares Aggregate bond ETF is down 4% since Jackson Hole. This implies market-wide losses of more than $1 trillion. Banks face new losses on “safe” assets. Housing faces pricier credit. Consumers pay in costlier auto loans and credit cards. Abroad, higher rates and a stronger dollar strain economies and currencies. The yen is one example.

Warsh appears to treat the rout as the price of Fed credibility. His Jackson Hole speech has hit bonds harder than Ben Bernanke’s 2013 Taper Tantrum. That episode is now widely seen as a blunder. The Fed shows no sign of contrition. This is the Volcker problem. The Fed can win the credibility fight and still lose the people who bear the cost. A chair this hawkish should be asked to prove the price is worth paying. The cost is no longer abstract. It is a $500 billion pile of underwater securities at banks. It is a 100 basis point jump in mortgage rates. It is a housing market in freeze. The market’s fears may be overdone. But traders burned once have good reason to shed long-duration risk. The real question is not whether inflation falls. It is whether the financial system can withstand the shock of the cure. If the cost is too high, the cure becomes the disease. The next move belongs to the Congress. They must decide if fiscal discipline matches monetary aggression. Without that, the bond market’s revolt is not a blip. It is a rejection of a policy that prioritizes price stability over financial stability.

Author bio: Raymond Vance, a senior macro-economist and consultant to central banking policy research working groups specializing in sovereign debt dynamics and monetary policy transmission mechanisms.