Broker salers have an edge over Introduce broker

[Powter]

I would like to know how forex brokers salers have an edge over Introduce broker?
Who knows can share. Thanks

 

[Jacob.FX]

Hi Powter,
Could you please try to edit that question?
Do you mean how bokers are making profit from IB-s, or what is special and different from IB/Regular broker/Retail Investors ?
Best Regards JBfx