Spectral · Project #1

The astrology was wrong.
The tool wasn't.

It found a 788-day cycle in global volatility — correlated at r = 0.975 with high-yield credit, and Wall Street isn't watching it.

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Latest Signal · 2026-04-02

Situation
The credit cycle sits at 313.6°, 46 degrees from the 0° trough, with a composite signal of -0.035. This reflects a defensive posture due to negative momentum and rate-of-change components offsetting positive cycle positioning. The 2-year cycle envelope amplitude of 0.0681 confirms moderate cycle strength, consistent with easing phases approaching the trough. Phase progression aligns with a trajectory toward late-cycle stabilization.

Key Dynamics
Assets Aligning with Cycle Completion
Equities and credit instruments show tight phase alignment. The S&P 500’s 2-year component at 0.0469 (313.6°) matches the composite cycle phase, while HYG (0.0416 at 329.6°) and LQD (0.0275 at 330.7°) exhibit incremental improvement in line with late-easing dynamics. Oil (CL=F) prints at 0.3593 (349.1°), near its 2-year envelope ceiling of 0.3659, suggesting energy markets are anticipating the next cycle upturn.

Volatility Divergence
The VIX’s 2-year component at -0.145 (222.0°) contradicts the easing cycle, reflecting a phase opposition to credit conditions. The -0.130 gap between FOMC narrative (-0.150) and the cycle composite (-0.035) underscores a central bank lag in acknowledging improved credit conditions.

Rates Prepositioned for Transition
Short- and long-dates rates align with late-cycle expectations. The 3-month Treasury (^IRX) at 0.0575 (343.3°) and 10-year (^TNX) at 0.1574 (358.9°) show advanced phase positioning, with the latter hitting its 2-year envelope ceiling. This implies rates markets anticipate a near-term shift to early expansion.

Implications
We’re approaching the transition from easing back to early expansion. The alignment of credit instruments, strong positioning in oil, and late-cycle phases across rate instruments point toward completion of the current easing cycle. The next phase is likely characterized by returning risk appetite and declining volatility, though the VIX divergence suggests volatility expectations haven’t fully recognized the easing environment.

Where we’d put a dollar
Positions aligned with cycle completion: long credit (HYG) and long S&P 500, with hedges for volatility exposure. This expresses regime preference, not individualized advice.

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Phase Clock · 2026-04-02

Quadrant Q4_easing · envelope 0.0681 · phase 313.6°

Show summary

We took astrology seriously enough to test it.

The astrology died. The test found a cycle nobody else sees.

That's what we do at z-of-a — we take ideas Wall Street won't touch and build the tools to test them. Sometimes the wrong tool finds the right thing. Spectral is what fell out the first time. There will be more.

788

day cycle, global volatility

0.975

correlation, high-yield credit vol

8.4%

of detrended vol variance explained

2×

amplitude vs. pre-2000

Lab Notes

The full build log, start to finish. Manifesto, scaffolding, failed hypotheses, and the methodology we use to kill our own results.

Read the build log →

Scenarios

Ideas we're considering but haven't built. Each one is a bet on a mechanism, a clean test, and a way to fail.

See what we're considering →

Who this is for

Allocators and PMs who already trust their own judgment and want one more honest signal.
Quants who notice when the consensus model has nothing to say about the current regime.
People who'd rather read a one-page chart with a real p-value than a 30-page deck with none.

Who this isn't for

Anyone looking for a daytrading signal. The cycle is 788 days. The horizon is months, not minutes.
Anyone who needs a backstory dressed up in tasteful editorial prose. We don't do that here.
Anyone who can't handle being early.

P.S. The first thing we tested was whether Saturn's position predicted 20th-century influence. Saturn in Taurus survived every correction we threw at it — and then died on Nobel replication. But the spectral tool we built to kill it found something else on the way out: a 788-day cycle in global equity volatility, correlated at r = 0.975 with high-yield credit vol, that nobody else seems to be watching. We publish the phase every Friday until somebody notices.

P.P.S. If you're a quant at a fund and you think you can break this in five minutes — please try. Reply to any Friday email and tell us what you found. We mean that.