On Watch: Bear Steepening Is Not a Rates Trade to Fade
The 10-year has moved 45 basis points off its March low at the same velocity that preceded the October 2023 rates shock. The Fed is still nominally easing. Those two facts do not belong in the same sentence.
Originally published by AxisFoundry on X on March 20, 2026 as an On Watch piece. Preserved here with the original publication context and source link.
The 10-year has moved 45 basis points off its March low at the same velocity that preceded the October 2023 rates shock. The Fed is still nominally easing. Those two facts do not belong in the same sentence.
Bear steepening — when long-dated yields rise faster than short-dated yields — is the yield curve regime most corrosive to equity multiples because it raises the discount rate on every future cash flow while simultaneously tightening financial conditions outside the Fed’s direct control. The current move carries a specific fingerprint: term premium is expanding on fiscal credibility concerns, not growth optimism. That distinction matters enormously. Equities have not repriced to it. The equity risk premium is near multi-decade lows, meaning stocks are priced as if rates stay manageable. They are not priced for 5% across the curve.
Term Premium Expansion and Equity Discount Rates
The mechanism is mechanical before it is psychological. When term premium rises, the risk-free hurdle rate rises. A 50bp increase in the 10-year, holding earnings flat, removes roughly 8–12% from a stock trading at 25–30x earnings. The AI premium embedded in mega-cap tech does not offset this — it amplifies it, because those earnings are back-weighted and therefore more sensitive to discount rate changes.
This is not a growth scare. A growth scare would compress yields as capital fled to safety. What is happening instead is the opposite: long-dated yields are rising while growth expectations remain broadly unchanged. The compression of the equity risk premium means there is no cushion. When term premium expands on fiscal concerns, the equity market eventually has to reprice the discount rate.
Fiscal Supply and the Absent Natural Buyer
The 30-year yield approaching 5% is a signal about who is not in the market. The structural bid for duration has diminished. Foreign official holders — sovereign wealth funds, central banks — have been reducing duration exposure for reasons that predate the current cycle: dollar reserve diversification, geopolitical hedging, domestic reinvestment needs.
Domestic banks are constrained by unrealized losses carried from the 2022 rate shock. Mark-to-market exposure limits their willingness to add duration.
The buyer of last resort is price-sensitive real money: pension funds and insurance companies who step in only when yields breach actuarial thresholds — likely above 5% on the 30-year. The implication is that the path to stabilization runs through further yield increases first.
Reflexivity and the Equity Lag
Momentum traders and CTA funds pile onto the short side of bonds as yields rise, accelerating the move. This is the reflexive component: selling begets more selling until a volatility event breaks the feedback loop.
Bond stabilization historically requires equity volatility to spike first. The equity market has consistently lagged the bond move by two to six weeks in prior episodes — 2022, October 2023, and the 2018 Q4 episode all followed this pattern. The yield move leads. Equities follow.
What Would Change the View
Three scenarios could invalidate this framework before it fully plays out.
A clean re-acceleration in GDP nowcasts — not just a beat on a single data point, but a sustained upward revision in real growth — would reframe the yield move as growth-driven rather than fiscal-credibility-driven. That would be constructive for equities, as higher rates driven by better growth is a fundamentally different regime.
A Treasury policy shift toward shorter-maturity issuance would reduce the supply pressure on the long end. This has been discussed but not implemented at scale.
A Bank of Japan reversal resuming JGB purchases would provide spillover support for global duration by reducing the marginal supply of yen-funded Treasury shorts. The BoJ remains the wild card.
None are imminent. If the 30-year closes cleanly above 5% and equity-bond correlation turns positive, that is the confirmation signal that equities have not yet fully priced the regime. If GDP nowcasts re-accelerate and the move reprices as growth-driven, this is a tactical overshoot, not a structural break. Until then, the burden of proof rests with those fading the steepener.
Analysis informed by commentary from @MikeZaccardi. Original author is not affiliated with AxisFoundry.