Your essential guide for navigating Massive. This category provides step-by-step instructions, practical tips, and solutions to common queries, helping users effectively utilize our platform's features.
Knowledge Base/How To
Knowledge Base
How To
- Title
- How do you read an options symbol?
- FAQ Category
FAQ
- How To Category
How To
- Options Category
Options
- Description
- A Massive options ticker is four parts joined together: O: then the underlying, the expiry as YYMMDD, C or P, and the strike in thousandths padded to eight digits. So O:SPY260918C00650000 is a SPY call expiring 18 September 2026 at a strike of 650.
- Title
- How do I get started with Flat Files and S3 on Massive?
- FAQ Category
FAQ
- How To Category
How To
- Description
- Take your S3 keys from the dashboard and point any S3 client at https://files.massive.com with the bucket flatfiles. Flat files are on paid plans only, and a 403 does not say why: the file may be outside your plan or its history, not yet published, or blocked by unsigned agreements.
- Title
- Does Massive offer sample code?
- Data Coverage Category
Data Coverage
- How To Category
How To
- Description
- Yes. Client libraries and runnable examples are published on GitHub, and the documentation carries a code sample for every endpoint. The quickest start is a client library for your language rather than raw HTTP.
- Title
- How do I connect Massive to ChatGPT, Claude or another AI tool?
- FAQ Category
FAQ
- How To Category
How To
- Description
- Add Massive's hosted MCP server, https://mcp.massive.com/, as a custom connector or MCP server in your AI tool and sign in with your Massive account in the browser; there is no API key to paste, and the tool can reach the same data your Massive plan includes.

