Welcome to Market Securities, LLC. Market Securities LLC is an inter-dealer broker specializing in a broad range of financial products including Cash Equity, Equity Derivatives, Foreign Exchange, Futures & Options, Fixed Income, and Commodities markets. Market Securities offers to its customers large natural execution flows on various asset classes as well as designated research and technical analysis. Market Securities has it's office in New York City, located in the Financial District. It has affiliates in London, Paris, Geneva and Dubai.