Building a listed tool
Katie Adams
CPO, named behind the Massive (formerly Polygon.io) listing on Anchor Terminal.
What Katie builds
Massive (formerly Polygon.io) B · Data providers
US market data API for stocks, options, indices, forex, crypto and futures, from the consolidated tapes.
CPO, researched 28 October 2026 · the people behind it
Works with
- Quinton Pike Founder and CEO
Backed by
Questions
Who is Katie Adams?
Katie Adams is chief product officer at Massive, the financial market data API formerly called Polygon.io, where she leads product development. She has more than a decade of experience in software engineering and product development, with earlier roles at Inspire, Bellhop and CNN.
What does Massive make?
Anchor Terminal lists Massive (formerly Polygon.io) from Massive. US market data API for stocks, options, indices, forex, crypto and futures, from the consolidated tapes.
Who has invested in Massive?
The sources our research read name Green Visor Capital and Headline.
How are Katie's tools graded?
Massive (formerly Polygon.io) is graded B, 69.9 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (5)
These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.