After a Stock Screen: Build an Evidence Card Before a Watchlist

A stock can pass a screen without answering the question you actually care about. Save one evidence card for each candidate: the claim, its original source, the relevant date, and evidence that would make you reconsider. This gives your next research session a specific starting point.

1. Turn the filter into a question

Write the exact condition that selected the company, including its units and lookback period. Then state what remains unknown. A price-based screen can identify a pattern; it does not establish why a business is improving. Keep the observation separate from the explanation you still need to test.

2. Attach an original source and a clock

Investor.gov identifies company disclosures as a resource for investment due diligence and links to EDGAR and guides to reading filings. For a business claim, record the filing or company release, its publication date, and the period it covers. A recently published article can still describe an older quarter. A chart has its own interval and quote timestamp; neither replaces the financial-report period.

3. Write a reason to reconsider

Use a hypothetical example: your screen flags a stock with a strong recent price trend, and your working explanation is improving demand. The price trend is the observation. The demand explanation needs operating evidence. Look for reported unit, volume or segment trends where disclosed. If the release does not provide the measure you need, record that gap instead of inventing a number. This example is a research exercise, not a current stock recommendation.

Original SignalSage evidence-card diagram with the real purple app logo. Four fields: Claim, the screen condition and untested explanation; Source, the original filing or company release; Date, report period, publication date and chart interval; Reconsider, evidence that would weaken the explanation. A hypothetical price trend does not establish demand growth. Suggested personal research note, not an app feature, stock recommendation or app test.

A reusable note, not another score

Copy these four prompts into your own research notes: What is the claim? Where is the original evidence? Which dates and units apply? What would weaken the explanation? An AI summary can help organize the questions, but keep the underlying source beside the claim. Several summaries repeating one release are still one underlying source. The card does not predict a return or tell you when to trade.

Continue in SignalSage

SignalSage by MerlaTech brings US stock screeners, company information, AI-assisted analysis, charts, signals, news and research into one workflow. Use those views to organize a shortlist, then verify important claims against primary evidence. This checklist is a suggested note-taking method; it is not a claim that the app has an evidence-card feature. See our already published walkthrough below; it has not been uploaded again. The interface is English, and some features require in-app purchases or subscriptions. Research and writing were AI-assisted. Educational use, not personalized investment advice.

Sources and next steps

Investor.gov: Researching Investments

Google Play: published SignalSage feature description

Watch the existing screener-to-research tutorial

SignalSage for iPhone and Android

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