An electronic communication network (ECN) is the term used in financial circles for a type of computer system that facilitates trading of financial products outside of stock exchanges. The primary products that are traded on ECNs are stocks and currencies. ECNs came into existence in 1998 when the SEC authorized their creation. ECNs increase competition among trading firms by lowering transaction costs, giving clients full access to their order books, and offering order matching outside of traditional exchange hours.
Previously always enjoyed the ARCA and SDOT, but in the trading terminal LASER many other ECN, but not SDOT. I would like to know through what ECN is cheaper to trade than ARCA.
Which ECN choose to market orders, where it was cheaper to hit a quotation?
At what ECN put stop warrant for NYSE, NASDAQ, ETF