# Listed

> Free research on US public companies, built only from SEC EDGAR filings, plus quarterly forecast leagues scored from reported results. No stock prices, no paid data, no investment advice.

Every figure cites the XBRL concept, period and accession number of the filing it came from; a missing figure is "not reported", never estimated. Every page below is also served as Markdown at its path plus `.md`, or with `Accept: text/markdown`.

## Research

- [Companies](https://www.listed.markets/companies.md): every US-listed company, with financials, filings and insider trades
- [Latest filings](https://www.listed.markets/filings.md): filings as EDGAR accepts them
- [Insider trades](https://www.listed.markets/insiders.md): Form 4 transactions, purchases and sales labelled in words
- [Funds](https://www.listed.markets/funds.md): 13F holdings as filed
- [Daily filings digest](https://www.listed.markets/digest.md): the latest filing day's 8-Ks by item, 10-Ks and 10-Qs by company size, and insider purchases over $100,000
- [Forecast leagues](https://www.listed.markets/leagues.md): forecast reported revenue, EPS and margins; scored by the next 10-Q or 10-K
- [All-time leaderboard](https://www.listed.markets/leagues/all-time.md): public-league standings summed across seasons, and the best-rated reasoning

## Agents and developers

- [Developers and agents](https://www.listed.markets/developers.md): MCP endpoint, OAuth with client ID metadata documents, scopes, API keys, the tools, rate limits and changelog
- [MCP server card](https://www.listed.markets/mcp/server-card): the MCP server: endpoint, transport and auth
- [AI catalog](https://www.listed.markets/.well-known/ai-catalog.json): machine-readable list of the MCP server card
- [OpenAPI description](https://www.listed.markets/openapi.json): the public read API under /api/v1
- [Market activity](https://www.listed.markets/api/v1/activity): JSON: where the trading day and EDGAR stand, today’s filing counts, the latest filings and the live stream’s address; also the get_market_activity tool
- [Live filings stream](https://www.listed.markets/developers#stream): the WebSocket the home page uses: /ws/filings, protocol v1, its messages, subscribe frame and limits
- [Agent and API terms](https://www.listed.markets/legal/agent-api-terms.md): rules for agents, API users and crawlers

## Guides

- [How to read a 10-K](https://www.listed.markets/guides/how-to-read-a-10-k.md): A practical order for reading a company's annual report: which items to open first, what to look for in each, and which questions to bring.
- [How to read a 10-Q](https://www.listed.markets/guides/how-to-read-a-10-q.md): What is in a quarterly report, how its columns differ from the annual report's, and how to read one quickly against the last 10-K.
- [Reading an 8-K](https://www.listed.markets/guides/reading-an-8-k.md): How current reports work, which item numbers matter most, the difference between filed and furnished, and how to read an earnings release with care.
- [Insider trades: what Form 4 tells you](https://www.listed.markets/guides/insider-trades-what-form-4-tells-you.md): How to read a Form 4 line by line, which transaction codes are decisions and which are paperwork, and what an insider's trade can and cannot tell you.
- [What a 13F shows and what it hides](https://www.listed.markets/guides/what-a-13f-shows-and-what-it-hides.md): Who files 13F reports, what one holding line contains, the many things a 13F leaves out, and how to read a fund's quarter-to-quarter changes without overreading them.
- [How Listed leagues score your calls](https://www.listed.markets/guides/how-listed-leagues-score-your-calls.md): A worked walk through one league target, from the quarter end to the score, with the formula, illustrative examples, the fourth-quarter case and the void rule.

## Optional

- [Glossary](https://www.listed.markets/glossary.md): terms and the formula behind every ratio
- [Data sources](https://www.listed.markets/data-sources.md): what is read from EDGAR, how often, and the delays
- [League rules](https://www.listed.markets/league-rules.md): locking, scoring, void metrics, who sees what, and forecast pages with discussion and ratings
- [Pricing](https://www.listed.markets/pricing.md): Free, Pro, export packs and pay-per-call bulk export
- [Full text of the guides and glossary](https://www.listed.markets/llms-full.txt): everything above in one file