Quick Read
S&P 500 (SPX) trades at 25 times forward earnings, well above the 10-year average of 19, leaving little room for policy mistakes amid stagflationary pressures. Kevin Warsh inherits a Fed chair role during slowing employment growth, rising inflation at 3.8% year-over-year, and elevated stock valuations with political pressure demanding rate cuts instead of the inflation-fighting hikes the economy may require.
New Fed chair transitions historically coincide with market volatility, with the S&P 500 declining an average of 12% in the first three months after a new chair takes office, though markets typically recover strongly within a year as disciplined monetary policy establishes credibility.
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For years, investors could count on one thing from the Federal Reserve: when the economy weakened, rate cuts were usually right around the corner. But 2026 is shaping up differently. Inflation has started climbing again, even as the labor market cools. Unemployment is up to 4.3% while consumer prices accelerated above the Fed’s 2% target once again. That combination — slowing growth and rising prices — is the economic nightmare policymakers call stagflation.
Now President Trump has handed the job of navigating it to Kevin Warsh. And history suggests his timing may not be ideal.
A Rare White House Ceremony With an Uncomfortable Echo
Last Friday, new Fed Chair Kevin Warsh was sworn in during a ceremony in the East Room of the White House. Market historians immediately got the chills. Only one other time has a Fed chair been sworn in at the White House: Ronald Reagan swearing in Alan Greenspan on Aug. 11, 1987. That year should sound familiar. Just over two months later came Black Monday.
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On Oct. 19, 1987, the S&P 500 plunged 20.5% in a single day while the Dow Jones Industrial Average collapsed 22.6%. Granted, no one seriously believes a ceremonial backdrop causes crashes. But transitions at the Fed often coincide with periods of uncertainty — and uncertainty tends to expose fragile markets.
That matters today because stocks already sit near historically stretched valuations. The S&P 500 trades near 25 times forward earnings, well above its 10-year average closer to 19. Meanwhile, inflation pressures are building again from Iran war oil price shocks and supply disruptions.
In other words, the market may not have much room for policy mistakes.
President Trump Wants Rate Cuts — Inflation May Not Allow It
President Trump reportedly favored Warsh because he supports lower interest rates and a more growth-friendly Fed. Investors love rate cuts when the economy slows because cheaper borrowing boosts housing, business investment, and stock valuations.
The problem is inflation has not cooperated. The latest Consumer Price Index showed inflation rose 3.8% year-over-year, while producer prices also moved higher. At the same time, consumer confidence recently fell to one of its weakest readings in years.
That puts Warsh in a difficult position immediately. If he cuts rates too aggressively, inflation could accelerate further. If he keeps rates elevated, the labor market may weaken faster. Regardless of how you look at it, the Fed no longer has the luxury of fighting only one problem at a time.
Surprisingly, history suggests new Fed chairs often inherit market turbulence almost immediately. Carson Research found the S&P 500 declines an average of 12% during the first three months after a new Fed chair takes office. The median decline stands at 7.9%.
S&P 500 Performance Under New Federal Reserve Bank Chairs
Fed Chair | Date Appointed | Max 3-Month Drawdown | Date Of 3-Month Drawdown Low | One Year Off 3-Month Drawdown |
Eugene Meyer | 9/16/1930 | -32.2% | 12/16/1930 | 22.9% |
Eugene Black | 5/19/1933 | -20.9% | 7/21/1933 | 29.5% |
Marriner Eccles | 11/15/1934 | -8.0% | 2/6/1935 | 15.4% |
Thomas McCabe | 4/15/1948 | -3.8% | 5/14/1948 | -6.0% |
William Martin | 4/2/1951 | -7.8% | 5/25/1951 | -45.1% |
Arthur Burns | 2/1/1970 | -11.0% | 4/28/1970 | 15.4% |
William Miller | 3/8/1978 | -3.0% | 5/26/1978 | 11.1% |
Paul Volcker | 8/6/1979 | -10.1% | 10/25/1979 | 63.8% |
Alan Greenspan | 8/11/1987 | -33.2% | 10/19/1987 | 29.5% |
Ben Bernanke | 2/1/2006 | -2.2% | 2/7/2006 | -2.8% |
Janet Yellen | 2/3/2014 | -4.0% | 4/11/2014 | 13.5% |
Jerome Powell | 2/5/2018 | -7.3% | 4/2/2018 | 3.8% |
Average | – | -12.0% | – | 12.6% |
Median | – | -7.9% | – | 14.4% |
% Positive | – | – | – | 75.0% |
Source: Carson Investment Research
Yet the longer-term picture looks far better, with the market soaring in the year following the three-month drop. That tells investors something important — transitions create volatility, but not necessarily lasting damage.
Warsh May Need to Channel Volcker, Not Greenspan
Here is the irony facing Warsh. Trump may want a Fed chair willing to lower rates, but economic conditions could force the opposite.
Warsh may be following Greenspan’s swearing in ceremony, but he may need to channel Paul Volcker on policy.
Volcker became Fed chair in 1979 during another inflation crisis. Instead of easing policy, he pushed interest rates sharply higher to crush inflation expectations. The medicine was painful. The S&P 500 suffered a 10.1% drawdown within three months of his appointment.
But within 12 months, the market had rallied hard, rising 63.8%. Why? Investors eventually realized inflation coming under control creates the foundation for healthier long-term growth. In any case, credibility matters more than short-term comfort when inflation starts spreading through the economy.
Warsh may now face the same reality.
Key Takeaway
Kevin Warsh inherits one of the hardest economic setups any Fed chair has faced in decades — slowing employment growth, rising inflation, elevated stock valuations, and political pressure for rate cuts. The symbolism of his White House swearing-in alongside comparisons to Greenspan and the Crash of ’87 makes for dramatic headlines, but investors should focus on the bigger lesson from history.
New Fed chairs often arrive during unstable moments. Markets frequently wobble early. Yet when all is said and done, disciplined monetary policy usually matters more than the ceremony itself.
That said, savvy investors should prepare for volatility ahead. If inflation continues climbing, Warsh may end up looking less like Greenspan and far more like Volcker — and that could mean short-term pain before any lasting recovery takes hold.
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