Compare · Financial Charting & Market Data
Massari vs Koyfin
Koyfin provides excellent market charts, but Massari delivers institutional equity research: 41 years of SEC filings with coordinate audit links, live Excel modeling, and 36 AI tools.
Public equities, ETFs, 41 years of primary SEC filings, Excel add-in, and 36 MCP tools.
Feature-by-Feature Comparison Matrix
A detailed technical comparison of data archives, modeling integrations, and analytical tooling between Massari and Koyfin:
| Capability | Massari | Koyfin |
|---|---|---|
| SEC Filing Lineage | ✓41 fiscal years (1985–Present) with coordinate audit | Standard normalized metrics without filing coordinates |
| Spreadsheet Integration | ✓Live =MASSARI.FIN Excel formulas with audit panel | Excel add-in with standard metric pulls |
| AI Model Context Protocol (MCP) | ✓36 read-only MCP tools for Claude & ChatGPT | None |
| Portfolio Risk Simulation | ✓5,000-path block-bootstrap Monte Carlo & ETF look-through | Standard portfolio tracking & factor exposure |
| Charting & Dashboard Customization | Clean institutional charts & technical studies | Extensive multi-chart layouts & dashboarding |
| Target Market | Buy-side equity analysts, hedge funds, RIAs | Retail investors, financial advisors, individual traders |
Key Reasons Desks Choose Massari
Click-to-Source Regulatory Lineage
Massari links every financial metric to its exact sentence and line coordinate in primary SEC filings. Koyfin aggregates data from third-party feeds without raw filing coordinate audits.
41 Fiscal Years of History (Back to 1985)
Massari provides four decades of complete primary regulatory filings. Koyfin offers modern financial data (typically 10-15 years).
Live =MASSARI.FIN Excel Integration
Pull dynamic, live recalculating formulas into models with a docked source audit panel. Koyfin focuses primarily on in-browser dashboards with basic CSV/Excel exports.
36 Native Read-Only MCP Tools
Connect AI agents directly to verified financial data with citation integrity. Koyfin does not support MCP AI integration.
Frequently Asked Questions
Is Massari an alternative to Koyfin for professional investors?
Yes. While Koyfin is popular for market charting, institutional analysts and portfolio managers choose Massari when they need primary SEC filing auditability, dynamic Excel modeling, and AI agent integration via MCP.
Upgrade Your Equity Research Workflow
Get instant access to 41 years of primary SEC filings, live `=MASSARI.FIN` Excel integration, and 36 read-only MCP tools for AI agents.