Track Data Corporation is a financial services company that provides real-time financial market data, fundamental research, charting and analytical services to institutional and individual investors through telecommunication lines and the Internet. The Company also disseminates news and third-party database information from approximately 100 sources worldwide. The Company operates in three segments: professional market, which provides market data services and trading, including electronic communications network (ECN) services, to the institutional professional investment community; non-professional market, which includes Internet-based online trading and market data services to the non-professional individual investor community, and arbitrage trading. Its wholly owned subsidiary, Track Data Securities Corp. (TDSC) is a registered securities broker-dealer.