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F5 · LONG-END / CREDIBILITY

30-year Treasury constant-maturity yield

4.97
CALM ROBUST z -0.40 DRS 95 daily as of 2026-06-04

Where it sits: near the middle of its full record.

The full history

1977 high 14.84 · low 1.20 · now 4.97 · 6 recessions shaded 2026

How it is read

What it measures
long-end / credibility
Where it sits
near the middle of its full record — at the 43th percentile of its full record.
z vs. its window
-0.40 (strain side: up). 12,321 observations in the window.
State rule
z < 1 CALM · 1 ≤ z < 2 WATCH · z ≥ 2 EXTREME, measured only toward the declared strain side.
Confidence
ROBUST — a primary official series, mechanically reported.
Reliability (DRS)
DRS 95

Where it comes from

FRED ↗ Every number on this site is reproducible from this primary source.

What it read at past stress points

Lehman, Sep 2008 4.12 · CALM
Q4-2018 selloff 3.00 · CALM
Curve inversion, Aug 2019 1.94 · CALM
COVID crash, Mar 2020 1.33 · CALM

Questions it helps answer

  • The Debt — Can the debt be carried — and who is carrying it?