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.

From the blog

See what's happening at Massive

Jul 16, 2026case study

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.

Alex Novotny

alexnovotny

Jun 18, 2026Getting Started

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.

Justin

editor

May 28, 2026announcement

Futures Data Has Arrived

Massive’s Futures APIs are now generally available, providing real-time and historical market data for top U.S. futures (ES, GC, CL) from CME, CBOT, COMEX, and NYMEX, accessible via REST API, Websocket, and flat files.

Justin

editor