Meaning, Rules and Regulations, FAQs
What Is Sub-Penny Trading? Sub-penny trading is a practice where brokers and dealers trade in unseen, unregulated markets in increments of less than a penny. They trade through wholesalers, dark pools, and lit exchanges. The Sub-Penny Rule (SEC Rule 612) of 2005 prevents exchanges governed by the U.S. Securities and Exchange Commission (SEC) from quoting
