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Guys -I didn't know which topic to place this under, so correct me if there is a better place to put this: Rithmic vs. IQ Feed caching.
My trading friend made a comment that he thought IQ Feed was faster than Rithmic's data feed because it created a flexible semi-permanent structure (i.e. cache) whereby the data for a chart was never refreshed completely for IQ Feed. However for Rithmic, it was always completely freshed from start of data to end date.
However, I argued that the actual host application (Multicharts,Ninja Trader, etc) should be able to handle the caching. Of course, there's no denying that IQ Feed is much faster than Rithmic.
So who's right on this ?
Can you help answer these questions from other members on NexusFi?
Good question. I would actually like to know how it works for either mode.
I know for one thing that initial data load for a new chart using Rithmic is brutally slow....for tick level data. Ex: 200 tick bars for ES, NQ, etc.
For historical data it could be slower, I can't say, but for real time Rithmic will be much much faster.
Keep in mind that IQFeed servers are in Omaha Nebraska, so their real-time data is never super fresh.
Thanks for that Sam....greatly appreciated.
The only problem with Rithmic is their limited tick level history. IQFeed goes back at least 1 year.
It's no biggie as I should probably purchase tick data for back-testing purposes.
Any recommendations ?
