MarginX: Find Stocks Fast, With Real Conviction

Screen the whole market in plain English, backtest any idea on 20+ years of point-in-time S&P Global data, and x-ray every company behind it.

How it works

Ask a question. The workspace screens, backtests, and x-rays it live, on real S&P Global data.

Describe a strategy. See it proven.

Ask in plain English. The workspace screens the market, walks it forward across 20 years, and shows the honest verdict, even when an idea doesn't beat the index.

Ask about a company. Watch the research happen.

Type one question and the workspace walks the real company profile: recent activity, every quarterly metric, macro links, and the Durable Competitive Advantage breakdown.

The principles great investors run on. Encoded, screened, and proven.

The DCA Score reads two decades of fundamentals for the fingerprints of a durable advantage, then valuation filters keep the price honest, across 40,000+ companies at once.

200+ sourced metrics, filings, calls, and news on every company: the full picture behind every number.

Every idea becomes a walk-forward backtest before a dollar moves: after tax, against the S&P 500, re-screened quarter by quarter for 20+ years.

See any company like a Wall Street analyst

One scan reads a whole company in plain language: its quality, fair value, and the trading multiples behind it, each with the why. Grounded in the full text of filings, earnings calls and news.

Is this a business worth owning?

The DCA score reads how consistently a company shows the fingerprints of a durable competitive advantage: pricing power, capital discipline, and resilience through every cycle. Every rule is tested twice, right now and across the last 20 quarters, then scored 0-100.

Track it like you own it

Alerts when a score crosses your line, an insider buys, or a company enters your screen. A live feed of Form 4 trades, 13D/G stakes, 8-Ks, earnings calls and calendar events. Blend MarginX's metrics into your own weighted score, then screen and backtest 40,000+ companies by it.

Backtests you can trust

The engine only sees what investors knew each quarter. The full historical universe, delisted names included. No look-ahead, no survivorship bias. Capital-gains tax is in every backtest, and every result is measured against the index.

Stop guessing. Start compounding.

Screen like an analyst, test like a quant, decide like an owner. On licensed S&P Global data, for less than a data subscription.