Tagging 8-K disclosures with AI: corporate events, labelled by what actually happened
A SEC 8-K API that labels what actually happened. Query filings by event type (CEO departures, cybersecurity incidents, M&A), with source-cited tags.
rian
See what's happening right now
System Status
Stay informed about the current status and performance of our market data platform in real-time. Sign up for alerts or see past resolutions by visiting our system monitoring app.
Loading...
From the blog
See what's happening at Massive
Case Study: Earnings Watcher Models Earnings Volatility for Retail Options Traders with Massive
In this post, we'll walk through how Earnings Watcher built its analytics layer on Massive's options chains and snapshots, why Fair Market Value anchors its scanner, and how the same API pattern extended from options into post-earnings drift analysis on the underlying equity.
alexnovotny
Build a LULD Price Band Monitor with Massive's WebSocket API
Massive's LULD WebSocket channel streams Limit Up/Limit Down price band updates, halts, and resumptions for every NMS stock in real time.
editor