Marat 15 November 2019 👁 3,706 💬 0 FAQ on FIX Protocol. Limit orders FOK and IOC (FAK). Earlier, we said that the FIX Protocol not only increased thespeed of traders in the market, but also provided an opportunity for market participants to use limit orders, which reduced the risks of tr... Algorithmic trading trading FIX 4 FIX 5 FIX protocol exchange trading exchange information Moscow exchange high-frequency trading HFT trading FIX connector connector to the exchange connector for trading exchange trade FOK order IIOC order FAK order