MatterOfStocks

Research that shows its track record, not just its opinion.

matterofstocks·Published on Oct 20, 2026·0 reputationReputation invested into this product to boost its ranking. Anyone can spend the reputation they've earned here — recent investments count for more and lift the product higher on the leaderboard. This is separate from community upvotes.

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About MatterOfStocks

Most stock research asks you to trust it. MatterOfStocks publishes its track record instead.

The platform scores US stocks every night from SEC filings and market data, using published rules rather than opinions. Then it does the part almost nobody does: it grades every one of those calls against what the market actually did next, keeps the result permanently, and shows you the misses alongside the hits.

Three commitments, enforced in code rather than in copy

Computed, not narrated. AI writes the prose. It never writes a number. Every figure comes from published rules applied to primary sources, and AI text that contradicts the underlying math is automatically replaced before you see it. The narration is there to explain the arithmetic, never to produce it.

Backtested, failures included. The whole methodology was replayed across twelve years of history before launch, and the negative results are published. Signals that did not work are listed next to the ones that did. A research product that only shows its wins is a marketing product.

Graded against reality. Every call is timestamped and append-only. History is never edited after the fact. Buy-call performance is measured over the five trading days that follow each signal, against real historical prices, and market-adjusted so a call is not credited for a rising tide.

What you get

Company scoring built from SEC filings, covering fundamentals, forensic accounting checks, and valuation. Congressional trading disclosures, currently 11,197 filings and growing, so you can see which stocks lawmakers have been buying and when they disclosed it. Corporate insider activity from actual filings, filtered to open-market buys and sells, because grants and tax withholding are not decisions. Institutional ownership from actual filings. Written research reports that walk through the numbers in plain language, aimed at someone who wants to understand a company rather than be told what to do about it.

Coverage, and its honest limits

3,795 stocks, representing 99.3% of US market value. There is a floor at roughly $300M market cap, and it is deliberate. Below that, filings thin out and data quality drops, and the platform does not score what it cannot stand behind. Coverage gaps are stated on the methodology page rather than papered over.

What it deliberately is not

It is not a brokerage and has no trading features. It does not tell you what to buy. There are no price targets pulled from thin air, no signals without a published rule behind them, and no claim that a disclosure predicted a move. When the data cannot support a statement, the statement is not made.

Getting started

Free to start, with a seven day trial of the paid tiers. Pro and Premium add deeper analysis and the full disclosure history. No card required to look around.

✦ Good to know

Tracks amended SEC filings and auditor changes with links to the original filings for verification
AI narrates analysis but never inverts numbers; all figures come from published SEC filing rules
Covers 3,918+ stocks with $300M+ market cap; below that threshold data quality drops and stocks are not scored
Available as both web platform and mobile app for iOS and Android
Human-in-the-loop approach: no automatic buy/sell alerts; users preview and confirm every order themselves

Taken from the product's own website and re-checked automatically.

DON'T TAKE OUR WORD FOR IT

Still not sure about MatterOfStocks?

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