See also[edit]
- Citadel, Citadel Securities, Ken Griffin, Market maker
- Stockbroker, Robinhood, Citadel, Susquehanna, Webull, IBKR, eToro, Charles Schwab Corporation (Ameritrade), e-trade, NYSE, The Vanguard group, Payment for order flow, Susquehanna International Group, DRW Trading Group