Re:A JVM Does That? (2011) [pdf]
by narrator on Thursday July 07, 2016 @09:18PM
(#12053086)
Bugs in HFT code can lose a lot of money very quickly too, so I'd imagine that Java code being less bug prone than C or assembly is also a consideration.
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Or crashing, for that matter. If your C HFT program crashes, someone is on the hook for tens of thousands, minimum. (Not saying Java doesn't crash, but it's a bit more rare and gives you more opportunity to not lose $$$.)