I guess the one point not previously mentioned is that with CQG you can have your OCO's held on the server, not just locally on your machine, which I don't believe is possible with Rithmic, and certainly not with Zenfire.
If the feeds were otherwise highly comparable, then that would swing me toward CQG in a big way.
Rithmic with AMP is a new offering becoming available just this week at AMP. At least that's what all the marketing stuff I've gotten from AMP is telling me so I doubt there's anyone here familiar enough with AMP/Rithmic that may be able to weigh in. With AMP I have NinjaTrader/CQG. As far as I know and the little bit that I know is that there are technological differences between the two data feeds but other than that the simple skinny for me Rithmic is far more stable and a much rock solid on connection as opposed to CQG. I get to see periodic disconnects with CQG that can last from just a few short seconds and up to a minute whereas I have yet to see this happen with Rithmic.
Both are unfiltered.
Their commissions on Rithmic are a bit cheaper than on CQG.
They don't have Eurex on Rithmic (they say it's coming soon, but I wouldn't hold my breath).
On CQG you have to pay EUR23 monthly for Eurex data.
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Also CQG has server side OCO's whereas Rithmic does not, although AMP give you free access to the web based R-Trader platform so you could create your own directly there.
For what it is worth, I have been demoing side by side all the last week on NT Rithmic via Optimus and CQG via AMP and to the naked eye I cannot see a difference in the timing of the data coming in. The NT T&S window shows exactly the same data incl trades correctly marked as at the ask or bid.
During this time I have had one Rithmic disconnection for 9 minutes at 1.30am USA ET one day and no CQG disconnects all week.
Just my NZ 2 cents
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