what is the difference between dma and otc 
direct market access dma differs from over the counter otc in that dma places trades directly with an exchange while otc happens outside of exchanges and directly between parties dma offers more transparency liquidity regulation and better pricing the bottom linebanks and other financial institutions provide clients with direct market access to electronic facilities and order books of exchanges to facilitate and complete trade orders with the advent of electronic trading direct market access has made the process of executing trades much more efficient for traders as they can gain access directly without having to rely on an intermediary 