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On 21 February 2012 10:54, Alex Queiroz <> wrote:

On Tue, Feb 21, 2012 at 11:35 AM, Paul Hudson <> wrote:

Well, for some examples, Jane Street Capital uses Ocaml for
high-performance, algorithmic trading. Tsuru Capital uses Haskell for
options trading. Those are in the "you are a millisecond late you
lose" game.

Right, and an acquaintance works at JP Morgan on similar systems - but written in Java
So we know it's possible to write high performance code in functional languages. But empirical evidence that it's faster (or, more usefully, perhaps, easier to write/debug, or more reliable) is thin on the ground.

Getting that evidence (indeed about anything in software) is rather difficult, of course.

Has anything been written (papers, magazine articles) about the experiences of those companies?