Extended Hours Are Coming to OPRA Options Data
Starting August 17, 2026, Cboe's Options Exchange is extending trading hours for select single-stock equity options with a morning GTH session (7:30–9:25 am ET) and Curb session (4:00–4:15 pm ET).
cole
Introducing
We have a blog!
Dec 25, 2017
We finally had the time to create a blog. The main goal for the blog is to have a more standard way of communicating changes, new features and other important details. We also hope to blog about some technical tidbits when time permits.
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Quinton Pike
quintonpike
From the blog
See what's happening at Massive
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
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