Most screeners ask you to build filters from raw metrics — P/E under 15, ROE above 20%, debt-to-equity below 1. You combine them manually, hope they interact meaningfully, and scroll through whatever survives. StockSignal works differently. It pre-evaluates every company against structural conditions before you arrive. You describe what you're looking for in terms of patterns, not thresholds.
Interpretations
The Interpretations tab is the primary entry point. Over 200 named configurations span a wide range of investing philosophies — Graham Value sits next to Trend Alignment, Insider Buying next to Antifragile Growth, Balance Sheet Fortress next to Momentum Phase. The tool is deliberately philosophy-agnostic. Each interpretation visually decomposes into its component observations, so you can see exactly what structural conditions must align. Quality Compounder, for instance, requires earnings quality, growth consistency, and cash flow margin observations to all be present simultaneously. The separation into Situational and Diagnostic categories is a quiet but important design choice — it tells you not just what a interpretation describes, but what kind of structural observation it represents.
Observations
This is the engine room. Nearly 500 individual observations cover everything from deeply fundamental measurements (accrual intensity, asset turnover, book value growth, free cash flow yield) to technical structure (Aroon, Bollinger squeeze, ADX trend strength, Ichimoku configurations) to behavioral and diagnostic indicators (Altman Z-score, Piotroski F-score, short interest dynamics). Each observation measures one structural relationship — not just a value, but a pattern across time, balance sheet structure, or market behavior. For users who want to build their own configurations from scratch rather than starting from a named interpretation, this tab is where that happens.
Company Roles
Seven categories classify companies not by sector but by their structural function in an economy: Production, Flow, Risk, Interface, Attention, Rule, and Sense-Making. This is an unusual taxonomy influenced by systems thinking — a semiconductor manufacturer and an airline both produce, but an exchange and a payment processor both enable flow. It cuts across traditional sector boundaries and surfaces structural similarities that industry classification obscures.
Industries
A comprehensive set of 147 industry categories, from Advertising Agencies to Waste Management, presented in the same visual language as the rest of the screener. Straightforward sector filtering — but useful as a secondary refinement layer when you want to constrain a structural search to a specific economic area.
Dependencies
The most structurally distinctive tab. Dependencies maps supply chain relationships between industries using six connection types: who provides inputs, who builds infrastructure, who supplies tooling, who handles distribution, who creates demand, and who regulates. When you select an industry as a dependency, the screener finds all industries that structurally depend on it — and shows you stocks across that entire downstream ecosystem. This answers a question no traditional screener asks: if you believe in semiconductors, who structurally needs semiconductors to function? It lets you think in terms of economic ecosystems rather than isolated sectors.
Fundamentals
Clean and focused: Size and Valuation (Market Cap, Enterprise Value, P/E, P/B, P/S, EV/EBITDA, PEG), Profitability (margins, ROE, ROA), Growth (Revenue and Earnings year-over-year), and Balance Sheet (Debt/Equity, Current Ratio). This tab works as a refinement layer on top of the structural search — not a replacement for it. You find companies through interpretations or observations first, then narrow by fundamental characteristics if needed.
Correlation
Portfolio construction logic built directly into a screener. You input a company and filter by relationship type — Strong Amplifier, Strong Mirror, Strong Dampener, and moderate variations of each — optionally filtering by how closely stocks track the market over different time horizons. Finding stocks that dampen relative to a holding you already own, or that mirror it for concentration awareness, is genuinely useful for thinking about portfolio structure rather than individual stock selection.
How It Comes Together
The tabs are not independent filters — they compose. A search can combine a interpretation with an industry constraint, a dependency relationship, a fundamental threshold, and a correlation filter simultaneously. The structural pre-evaluation means results reflect genuine multi-dimensional alignment, not just the intersection of independent screens. Interpretations and observations are also reused across individual stock pages throughout the site, so the same structural language you learn in the screener appears when you examine any company in detail. The vocabulary is consistent — what you see here is what you see everywhere.