EXTREMEROBUSTz 2.67DRS 95quarterlyas of 2025-10-01
Where it sits: higher than ~99% of its last 30 years — near the top of its record.
The full history
1947
high 232.74 · low 32.22 · now 232.74 · 12 recessions shaded 2025
How it is read
What it measures
valuation altitude
Where it sits
higher than ~99% of its last 30 years — near the top of its record — at the 99th percentile of its last 30 years.
z vs. its window
2.67 (strain side: up). 118 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 — Computed: nonfinancial corporate equities outstanding (Fed Z.1, NCBEILQ027S) over nominal GDP, percent. Both inputs official, quarterly since 1947. Trend-dominated: a steadily trending series always prints high-z eventually; the state reads how far along the trend, vs the recent decade. Disclosed.
Where it comes from
DERIVED ↗Every number on this site is reproducible from this primary source.
What it read at past stress points
Lehman, Sep 2008
92.75
· CALM
Q4-2018 selloff
133.51
◆ WATCH
Curve inversion, Aug 2019
150.96
◆ WATCH
COVID crash, Mar 2020
128.76
· CALM
Questions it helps answer
The Ledge — How high is the market — and what is under it?