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It’s a 3D graphical presentation of the data for the ES. The top graph is the trades and the depth of market. The bottom two graphs are the depth levels 1 -10. Just a different way to display than the standard DOM window.
Robert, can you comment concretely on how IQFeed performed on April 23 from 13:08:07.583 onward? I suppose you measure your lag both in absolute terms and relative to your competitors, and I think it will be informative to learn how IQFeed performed since this will probably not be the last 'mini flash crash'-event.
You probably can't answer this due to competition concerns but since this is a 'ask me anything'-thread, one cannot be blamed for trying right?
We didn’t experience any issues on 4/23 within our systems nor did we receive an increase in customer contacts. We don’t compare our feeds to competitors on an ongoing basis either. We also don’t “measure lag” outside of our internal systems since doing so would only give a measurement for a single scenario when in reality our customers all have unique systems (ISP, Internet path, bandwidth, modems, routers, PC’s, antivirus software, analytics software and symbols being watched).
Ah okay, that's good to know. Just for the record (before I give readers of this thread a wrong expression), I didn't experience problems with IQFeed. But since these events (probably?) put a large strain on your infrastructure, I was wondering how that went from your side. Good to know it was business as usual.
True. I used the more popular word "lag" when "internal latency" would have been more accurate.
Unfortunately, DTN MA is a legacy service we no longer have the infrastructure nor support for. Investor/RT customers still have that option (directly through IRT), but it’s something we can no longer offer to developers, including existing partners such as MultiCharts. IQFeed Basic Service does provides the same historical data found in DTN MA, but also over 600 real-time indexes/indicators updated every one second, real-time streaming news, the ability to use multiple software and world-class support.
Kinetick is the best retail data feed available, IMHO, but can be used only with NT, does not provide data for ICE (TF), intraday historical is limited to 2 years according to Kinetick site (IQFeed back to May 2007 for stocks/futures/indexes and back to Sept 2005 for minis), there is no API available, and Support is limited to email during normal business hours (IQFeed has Live Support Chat, toll-free phone support and 24 hrs/day email Support M-F...critical for customers outside U.S.). Finally, while Kinetick subscribers can view news in NT, some feel that NT's news reader is not intuitive. IQFeed subscribers can use data in NT (or any other software) and also have access to IQFeed News Client at no additional charge.