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Bond Market Puzzle: Why Long-Term Yields Keep Rising
12 Dec
Summary
- Long-term Treasury yields have risen since September 2024 despite Fed rate cuts.
- The historical link between short-term and long-term yields has broken.
- The yield curve is steepening, signaling investor unease with long-dated debt.
Since September 2024, long-term Treasury yields have defied expectations, trading higher even as the Federal Reserve began cutting its policy interest rate. This unusual pattern has persisted as 2026 approaches, prompting analysis of its implications across asset classes. Notably, the yields on 10-year Treasury notes and 30-year Treasury bonds have moved counter to typical market behavior.
The market is observing a significant break in historical relationships. Normally, a decrease in short-term rates, such as those implied by fed-funds futures, would lead to a corresponding decline in long-term yields. However, this inverse correlation has unraveled. Furthermore, a longstanding connection between long-end yields and crude oil prices has also weakened, adding to market uncertainty and suggesting underlying economic shifts.
Most concerning is the consistent steepening of the Treasury yield curve. Thirty-year yields are rising faster than 10-year yields, and similar steepening is occurring between short-term bills and the 10-year yield. This indicates investors are demanding a greater premium to hold longer-dated U.S. debt amid falling short-term rates, a development considered a negative economic indicator.
