The Filter Lab Help Center
How-to guides · Finance encyclopedia
❓ What is The Filter Lab?
Overview of how the tool works and what it measures
Understanding turbulence
What the turbulence reading means and how to interpret it
Low vs Extreme
The four turbulence bands explained in plain English
The 7-Layer Cascade
What L1 through L7 mean and why they matter
EDGAR vs Price History
Which data source to use and when
Analysis Window Setting
How many quarters to use and why it matters
The Filter Lab · The skeptical analyst's read

We don't predict.
We surface what to question.

Three independent lenses on every public company - structural dynamics, traditional fundamentals, and forensic accounting. When they converge, the signal is high-conviction. When they disagree, you've found the question worth asking.

3
Independent Lenses
0.766
Two-Axis AUC
28
Years Tested
1.27M
Company-Months

AUC - how well the signal separates firms that later collapsed from those that didn’t: 0.5 is a coin flip, 1.0 is perfect. Across every US-listed company over 28 years, the two-axis signal scores 0.766. The full record is on the Validation page.