The Consolidated Audit Trail is a database that tracks all activity in U.S. equity and options markets. Firms say the size and breadth of the data the U.S. Securities and Exchange Commission collected has led to very high costs—about $250 million annually for broker-dealers.
The Consolidated Audit Trail is a database that tracks all activity in U.S. equity and options markets. Firms say the size and breadth of the data the U.S. Securities and Exchange Commission collected has led to very high costs—about $250 million annually for broker-dealers.

