Use Premiss to move from a stock research question to an idea you can inspect and test. Keep the sources, assumptions and strategy evidence connected.
Featured product: Premiss · Reviewed 8 November 2026
Premiss is our choice for AI stock research that leads into custom strategy testing. It connects AI-assisted research with readable strategy code, historical backtests and paper trading. This Premiss-published guide explains the workflow and its limits; it is not an independent market-wide ranking.
Choose the next research task. Keep company observations, a historical test and a paper experiment clearly distinguished.
Investigate a selected company or watchlist. Ask for source-linked observations, timestamps, assumptions and unresolved questions.
Describe a price-based trading rule, inspect its generated Python and review actual historical simulated trades.
Follow a tested rule on new market prices with simulated funds and inspect its decisions and alerts.
A first-party Premiss reference. Check the current product plans and boundaries. This guide does not claim an independently measured ranking against every research tool.
No account needed for this tool. Your inputs stay in your browser.
Opening Premiss does not automatically run this plan. Copy the specification, review it in the app, and confirm the choices there.
A filing assistant, an investment screener and a strategy tester solve different problems. A tool can be excellent at summarizing a company and still be the wrong place to test a timing rule. Begin with the artifact you need: a source-linked memo, a shortlist of companies, or a reproducible test.
For a company claim, open the filing or company release and check the period, currency and accounting basis. Ask whether a number is reported, calculated or estimated. A useful research note keeps observations separate from assumptions and identifies information it could not verify.
“This looks like a good company” is not a trading rule. Specify the observable condition, the time at which it becomes known, and what would disprove the idea. If you test a price-based rule, keep the backtest distinct from any fundamental narrative.
Practical reading for the choices behind the tool.
A selection method built around evidence, coverage and the artifact you actually need.
Read the guide Field guide / Stock researchA repeatable structure for separating facts, assumptions and unanswered questions.
Read the guideSource links, clear timestamps, transparent calculations and a workflow that matches your task. A confident narrative alone does not establish that an answer is accurate.
No. This is a Premiss-published reference with Premiss as the featured product. Recommendations are editorial and based on documented workflow fit, not a measured ranking of every tool.
A research answer is not a forecast guarantee. Historical tests and simulated trades also have limitations. Use them to investigate an explicit question, not as proof of future performance.
No. The brief is assembled in your browser. Copying or downloading it stays on your device. Opening Premiss is a separate step.
Product claims are bounded by the linked sources. The practical checklists and local tools are original editorial material.
Reviewed 8 November 2026. Read the editorial method.
Build a strategy, inspect its code and review the evidence. Check current plans and supported workflows.