Customers can subscribe to paid, real-time market data on exchanges around the world. In addition, Interactive Brokers provides free delayed data as available, for any product listed on an exchange to which you do not subscribe. Delayed market data is managed in Trader Workstation (TWS), and ticker lines that use delayed data are highlighted in yellow for emphasis. For details on managing delayed market data, see the TWS Users' Guide.
We also provide real-time fundamentals and news via subscription-activated Reuters Worldwide Fundamentals and Reuters News Feed, along with various free RSS news feeds, all of which are seamlessly integrated into the TWS trading application.
To view, add, or delete Market Data and Reuters Fundamentals and News subscriptions, sign into Account Management and go to Trading Access then Market Data Subscriptions. Fees are based on exchange or Reuters assessments and are applied on a per-user basis. Market data subscriptions provide data only; to trade you must elect the proper Trading Permissions in order to receive all the proper regulatory disclosures. There is no requirement to subscribe to market data in order to trade and customers are free to receive market data from another IB account or data vendor, or to use only delayed market data.
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Live feed for forex is great - for historical, it's the worst
They seem to do a good job of merging all their contributors into a decent live feed so I'd give them 9/10 for that but their historical data is abysmal.
Firstly when you have a chart of a day's worth of minute bars built up from the live feed, and then you hit refresh, it reloads all the data from their historical server and you can see all the candles look different - longer wicks, longer bodies, less gaps etc, i.e. not what you could have traded.
Secondly I get continuous disconnects when trying to load historical data during peak hours. IB Support won't even help let alone offer a solution. They say it's my ISP and that's all theyre prepared to say. My ISP is British Telecom so I can't be the only one to complain about this but then, so what? I'm a small fish and they are huge, so I get ignored.
Thirdly they throw you off their servers when you try to download more than a certain amount of history. You get a "pacing violation". It makes it a long drawn out torture to download any serious quantity of data. I guess I see it two or three times a week.
These three bad points though are just about not enough to make me go elsewhere. Yet!
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