Where our data comes from.
Signals brings together market data, regulatory filings and public disclosures from the sources below. None of them endorses Signals, and each remains the owner of its data.
Last updated October 4, 2026
Market data
Tiingo
tiingo.comUsed for
Stock quotes, split-adjusted price history and the completed daily bars behind every trend reading, plus corporate actions such as splits and dividends.
Stock quotes and price history are provided by Tiingo. Tiingo does not endorse Signals and is not responsible for the accuracy of data as displayed here.
FINRA
finra.orgUsed for
Short interest, reported twice a month by settlement date, on Symbol Detail.
Short interest data source: FINRA. FINRA does not endorse Signals and is not responsible for the accuracy of data as displayed here.
Filings and public disclosures
SEC EDGAR
sec.govUsed for
Company financial statements, SEC filings, insider transactions and institutional holdings, drawn from the U.S. Securities and Exchange Commission’s EDGAR system.
Some company financial, filing and insider ownership data is sourced from the U.S. Securities and Exchange Commission’s EDGAR system. The SEC does not endorse Signals.
Clerk of the U.S. House and U.S. Senate
clerk.house.gov · senate.govUsed for
Congress Trades: the periodic transaction reports that members of Congress file. Member names, parties and chambers come from Congress.gov and the Biographical Directory of the U.S. Congress.
Disclosures can be filed weeks after a trade and may contain errors. Showing them does not suggest wrongdoing by anyone.
News and community
News publishers
Publisher feedsUsed for
Headlines on Symbol Detail and Watchlist News come from publishers’ own feeds. Each headline belongs to its publisher and links to the original article.
ApeWisdom
apewisdom.ioUsed for
Social Trends: how often stocks are mentioned and upvoted in online communities. Mentions are not verified and are not a measure of quality.
Calculated by Signals
Signals
Our own calculationsIncludes
Trend states, moving averages, market and sector breadth, sector direction, the Fear & Greed reading, relative volume, peer profiles and Trade Journal results are calculated by Signals from the data above. They describe past data and are not investment advice.
TradingView Lightweight Charts™
tradingview.comUsed for
Drawing price charts in the app.
Charts are rendered with TradingView Lightweight Charts™, Copyright © TradingView, Inc. TradingView provides chart rendering only and does not provide, verify or endorse the market data shown.
Trademarks
Company names, logos and trademarks shown in Signals belong to their respective owners and are used only to identify companies. Their use does not imply any affiliation with or endorsement of Signals.
S&P 500® and Dow Jones Industrial Average are trademarks of S&P Dow Jones Indices LLC or its affiliates. Nasdaq®, Nasdaq-100® and Nasdaq Composite® are registered trademarks of Nasdaq, Inc. Russell® is a trademark of the relevant LSE Group companies. Signals is not sponsored, endorsed or promoted by any index provider.