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).
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Action Required: V1 Aggregates, Historic Trades, and Historic Quotes APIs will be Deprecated on 01/01/2020
Our V1 Aggregates, Historic Trades, and Historic Quotes APIs will be deprecated by the end of this year in favor of V2 Aggregates, Historic Trades, and Historic Quotes APIs beginning 01/01/2020. Customers can continue to use the V1 endpoints until 12/31/2019. We will also continue to offer support for the V1 endpoints until 12/31/2019. Our V2 APIs are built from the ground up and will give customers more flexibly and better service moving forward. We encourage users to switch to using the V2 e
peter
Action Required: NATS Service will be Deprecated on 01/01/2020
Our NATS service will be deprecated by the end of this year in favor of WebSockets beginning 01/01/2020.
peter
Free Forex accounts closing soon
We posted a couple months ago that free forex accounts were no longer available, and that current free accounts would be closing soon. Now that the new forex integrations are complete, we must begin paying license fees per user, per month. Which means we can no longer offer forex data freely to users. When: Free forex accounts will lose access to real-time data streams and API calls starting on: 1st of July, 2018 The accounts and their API keys will not be disabled or deleted, however will no
quintonpike
Planned outage 5/25/18-5/26/18
We will be moving datacenters this weekend ( after market hours ) to the Equinix datacenter in NJ. There are many benefits to the move, however it will require downtime during the transition. The transition will start after market close on May 25th @ 20:00ET. The transition is expected to be completed by EOD May 26th. If for any reason this will not be the case, we will send out email updates with the status and updated ETA. Thanks - Massive Team
quintonpike
Schema Updates
We are updating the schemas of the TRADES and QUOTES real-time data feeds. All other real-time feeds, and APIs will stay as they are currently. We are changing the schema of the trades/quotes for smaller and only unique per tick data attributes. This will make the messages smaller, enabling less bandwidth and less processing per tick for encoding/decoding the JSON. New schema ticks will start streaming on market open, Monday, January 29th. Current Trade Schema: { sym: 'MSFT', // Symbol sym
quintonpike