there are certain parameters like net price improvement, percentage of improved orders and execution speed.. retail brokerages are encourage to make such data p

there are certain parameters like net price improvement, percentage of improved orders and execution speed.. retail brokerages are encourage to make such data public by FINRA: 1. https://robinhood.com/us/en/about-us/our-execution-quality/ https://robinhood.com/us/en/about-us/our-execution-quality/ 2. https://www.schwab.com/execution-quality https://www.schwab.com/execution-quality 3. https://clearingcustody.fidelity.com/app/item/RD_13569_21687/trade-execution-quality-overview.html https://clearingcustody.fidelity.com/app/item/RD_13569_21687...