I'm sorry for the grammatical ambiguity. The regulations themselves were to be written in Python. Nonetheless, I do think interpreted languages are used in HFT,

I'm sorry for the grammatical ambiguity. The regulations themselves were to be written in Python. Nonetheless, I do think interpreted languages are used in HFT, but presumably not the kind of HFT that attempts to exploit inefficiencies between in, say, the prices of frozen concentrated orange juice futures on the Chicago Mercantile Exchange vs the price of agricultural companies on the New York Stock Exchange.