run by the financial industry regulatory authority (FINRA), ACES Pass-Thru automates trades between order-entry and market-maker firms that have established trading relationships with each other, designating securities at specified quantities for automatic execution. Once trading parameters are set, ACES Pass- Thru facilitates order entry, best-price order execution, and limitedorder maintenance, as well as a variety of inventory control capabilities.
Trades are then automatically reported for public dissemination and sent for comparison and clearing.