FIX-4-15 is a version of the FIX protocol developed by the Financial Information eXchange (FIX), which is the industry standard for trading financial securities. It is the primary method used by traders to communicate with the Trading Systems and Broker-Dealers they interact with. It is a secure, reliable, and robust protocol that supports multi-language, multi-entity and multi-market usage.
The FIX-4-15 version of the FIX protocol was initially released in 2001 and supports a variety of different market transactions including equity, options, and futures transactions as well as post-trade activities such as confirmations and settlements. The protocol also provides support for electronic messaging and trading of marginable securities and foreign exchange transactions. The protocol is designed with customers, traders and brokers in mind, with features like real-time risk management and market data updates, on-time execution and multiple-level authentication. The FIX-4-15 version of the protocol is also designed to reduce the complexity of exchanging data, providing more efficient and reliable trading.