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2. Why long yields can rise when the Fed cuts

Read policy rates, term premia, balance-sheet policy, and the yield curve from a bond investor’s perspective.

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Official sources checked September 6, 2026. Unless stated otherwise, numbers and scenarios are hypothetical, not current rates or product returns.

The Fed announces a rate cut. You buy long Treasuries. The next day the ten-year yield rises and your investment falls. Did you misunderstand the news?

Start by separating the rates. The FOMC sets a target range for the federal funds rate. Longer-term yields also reflect expectations about future policy and economic conditions.1

Today’s rate versus a decade of rates

A useful starting point is expected future short rates plus compensation for holding longer-term risk. The New York Fed’s ACM estimates decompose Treasury yields to estimate this term premium. The premium is a model estimate, not a directly observed fact.2

Here is a deliberately simplified illustration:

SituationExpected average future short rateTerm premiumIllustrative long yield
Before3.5%0.5%4.0%
More easing expected, but greater compensation demanded3.2%1.0%4.2%

Easing expectations grow, yet the long yield rises because the other component increases more. This is not an ACM calculation. It illustrates forces that can move in opposite directions.

Inflation uncertainty or concerns about Treasury supply can be examined within this framework. But attributing a day’s movement to one cause requires more evidence than a headline. First inspect which maturities moved.

A decision can matter less than its surprise

If investors already expected several cuts, one announced cut may not be the main new information. Guidance suggesting fewer subsequent cuts can change the response of long bonds.

Read the statement, the projections when published, and the press conference separately. The Fed’s calendar links the materials for each meeting. Projections describe conditional judgments, rather than a binding schedule of future rates.3

Write “the Fed cut today” and “I expect this many further cuts” as separate statements. If your long-bond thesis depends on the second, the first does not automatically validate it.

The balance sheet matters too

The Fed can influence long yields through securities holdings as well as its policy rate. Federal Reserve research discusses signaling about future policy and changes to the long-duration risk held by private investors.4

QE is associated with asset purchases that ease financial conditions; QT with shrinking holdings. Neither supplies a fixed conversion between a dollar change in the balance sheet and a particular yield move. Treasury issuance, investor demand, and expectations change alongside it.

This article does not claim a current purchase or runoff pace. Read the latest FOMC materials for the operating policy at your investment date, keeping historical explanations separate from current decisions.3

Locate your investment on the curve

A yield curve plots yields against maturity. Two-year and ten-year yields need not move equally. Short yields can fall while long yields rise, with different consequences for the assets exposed to each segment.

FRED’s DGS10 is a ten-year constant-maturity Treasury yield series. It is neither an executable quote for a specific security nor the return of a ten-year bond fund. Use it to check market discussion, then inspect the actual product before ordering.5

Replace “Fed cuts mean buy long bonds” with three notes: the path markets appeared to expect, why your view differs, and the price movement you could tolerate if wrong. If the third note is difficult, return to the duration example in the first installment.

Read the series

  1. Why a Treasury investment can lose money
  2. Why long yields can rise when the Fed cuts
  3. How Treasury yields reach the housing market
  4. What to read before buying a Treasury
  5. Choosing between bond ETFs, TIPS, and currency exposure
  6. Build the bond plan before the rate forecast

Footnotes

  1. Board of Governors of the Federal Reserve System, Monetary Policy: What Are Its Goals? How Does It Work?. Accessed September 6, 2026.

  2. Federal Reserve Bank of New York, Treasury Term Premia. Accessed September 6, 2026.

  3. Board of Governors of the Federal Reserve System, FOMC Meeting Calendars and Information. Accessed September 6, 2026. 2

  4. Board of Governors of the Federal Reserve System, The Effect of the Federal Reserve’s Securities Holdings on Longer-term Interest Rates. Accessed September 6, 2026.

  5. Board of Governors of the Federal Reserve System · FRED, 10-Year Treasury Constant Maturity Rate · DGS10. Accessed September 6, 2026.

Sources

This is a personal research note, not investment advice