Koyfin
Koyfin is a global market analytics platform for researching and understanding markets. From bottom-up fundamentals to top-down macro analysis, our platform, powered by Capital IQ, is trusted by more than 300,000 investors. We offer global coverage of equities, analyst estimates, transcripts, filings, screeners, financials, charting, model portfolios, macro data and custom dashboards.
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Barchart
Barchart Premier is a customized ad-free experience that gives you the power of institutional grade data and research tools an affordable price. Designed for the self-directed investor, Barchart Premier unlocks all the features of Barchart. Options screeners, watchlists, historical data download, my charts, unlimited custom Views, advanced alerts, and screen on list to name a few. As a premier member you can receive personalized research delivered to your Inbox every day – your favorite charts – personalized Screeners – your portfolio or your watchlist featuring any off the hundreds of fields available within custom views.
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Equibles
Equibles is an AI-powered US stock-market data platform for investors and developers. It covers SEC filings with full-text search, earnings-call transcripts, 13F institutional holdings, insider trading, congressional trades, short interest and squeeze scores, FRED/CFTC/CBOE macro data, valuation multiples, and a fast stock screener — surfaced through an AI research assistant (ALVIS), a hosted Model Context Protocol (MCP) server, and a public REST API documented with OpenAPI. The free tier gives 100 API calls/day with no credit card.
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Claude Duet
Claude Duet is a proactive AI agent that helps professionals manage work across connected apps. It delivers a morning brief, monitors connected accounts for items needing attention, and accepts tasks by text or voice in a continuing conversation. The agent can schedule meetings, draft replies and reminders, prepare payroll and agreements, create reports and dashboards, and help build forecasts or web apps. Work continues in a cloud-based virtual machine while the user is away; Claude Duet sends updates when a task is complete or needs review. It carries over Claude account memory, skills, and connected apps, and supports more than 6,000 marketplace connectors and plugins. Before sensitive actions such as sending messages, paying, signing, or deleting, it requests approval. The research-preview app is available on iOS, Android, and the web for eligible Claude Pro and Max subscribers in the United States.
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