HFT firms use all sorts of technologies. But to be clear, you want to be closest to trading - that's where the big money is; so either a) idea generation (quant work) or b) execution (dev work) For the execution piece,…
HFT firms would likely use the exchange binary protocols where available over FIX. Ie: OUCH/ITCH, Pillar etc. With that said, FIX is still relevant on many exchanges and in wide use by the broker/dealers etc...
kdb+ would be used for analysis or slower signal generation. it's not low latency for trading applications.
HFT firms use all sorts of technologies. But to be clear, you want to be closest to trading - that's where the big money is; so either a) idea generation (quant work) or b) execution (dev work) For the execution piece,…
HFT firms would likely use the exchange binary protocols where available over FIX. Ie: OUCH/ITCH, Pillar etc. With that said, FIX is still relevant on many exchanges and in wide use by the broker/dealers etc...
kdb+ would be used for analysis or slower signal generation. it's not low latency for trading applications.