In the traditional financial (TradFi) trading market, brokers are able to offer zero-commission trades to retail clients because high-frequency trading firms such as Citadel Securities, Susquehanna International, Wolverine Trading, etc., compete to execute these order flows. This is known as "Order Flow Payment (PFOF)". These companies are willing to take on these order flows in large quantities at close to mid-price prices because they are, by definition, lacking inside information. There&ap...

In the traditional financial (TradFi) trading market, brokers are able to offer zero-commission trades to retail clients because high-frequency trading firms such as Citadel Securities, Susquehanna International, Wolverine Trading, etc., compete to execute these order flows. This is known as "Order Flow Payment (PFOF)". These companies are willing to take on these order flows in large quantities at close to mid-price prices because they are, by definition, lacking inside information. There&ap...