What is the average latency for Massive.’s WebSockets?

Knowledge Base/What is the average latency for Massive.’s WebSockets?

WebSockets

Our WebSockets deliver market data in real time, with servers connected directly to the US SIP and OPRA feeds.

Our WebSockets are super fast. With servers connected directly to the US SIPs and OPRA feeds, we deliver some of the lowest latencies in the industry—giving you real-time market data the moment it happens.

Latency varies depending on your geographical location, connection speed, and network conditions.

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Title
Are all Indices available through the basic subscription tier?
Data Coverage Category
Data Coverage
Indices Category
Indices
Description
No, certain indices are only available through paid subscription tiers.
Title
Does Massive offer dark pool data?
Data Coverage Category
Data Coverage
Stocks Category
Stocks
Description
Yes, we provide dark pool data. If a trade comes through with an exchange ID of 4 (exchange:4) and also has an attached “trf_id” field, it came from a dark pool.
Title
Does Massive offer pre-market and after-hours data?
FAQ Category
FAQ
Stocks Category
Stocks
Description
Yes, we provide data for every trade that occurs, including during pre-market and after-hours. Our tick-level market data streams during these extended hours as well.

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