Fix 4.4 is a widely used protocol developed by the Financial Information eXchange (FIX) organization. It is used in the capital markets industry to facilitate the exchange of financial information and market data.
The protocol is designed to enable fast, secure, and reliable message exchange between trading partners, such as brokers, buy-side and sell-side firms. It uses XML to define raw messages, while FIX 4.4 defines the syntax, semantics, and behavior of each FIX message. It can be used in both synchronous and asynchronous messaging.
It is used in a wide range of trading activities, including pre-trade, trade, post-trade and post-settlement services. It includes message types for order initiation, order modification, order cancellation, market data requests and many other services.
Aside from FIX 4.4, there are several other versions of the protocol, including FIX 4.0, FIX 4.1, FIX 4.2 and FIX 4.3. To find out more about the history and features of the Fix 4.4 protocol, you can visit the official website of theFIX Organization: https://fixprotocol.org/fix-versions/fix-44/