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Re:HN: I want to trade my finance knowledge for python/djang... by veyron on Sunday May 15, 2011 @03:16AM (#2549510)
"was going to say sub-millisecond but my knowledge is not that granular" <-- round-trip times are, to 90th percentile, sub-100-microsecond at colo

"was going to say petabytes but my knowledge is not that granular" <-- entire market data is sub-100GB per day.

" have sizable clouds but I don't think they compete yet." <-- cloud computing is not used in HFT

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