Securities trading management system

A securities trading management system accepting an order from a counterparty and managing securities trading performed by a sell side, the securities trading management system comprising:

• one or more information processing systems including an order management system managing the order from the counterparty on a buy side or a sell side being a participant participating in the securities trading;
• and
• a potential order pool system recording, in a database, information of an IOI (Indication of Interest) of each of the participants obtained from each of the information processing systems, and matching buying and selling between orders included in the respective IOI,
• wherein at least either one of the orders matched by the potential order pool system includes a potential order being an order scheduled to be executed by the participant in the future,
• relative to an order being matched between a first participant and a second participant, the potential order pool system notifies a first information processing system of a sell side being an execution destination designated by the first participant of a request for executing a cross-trading relative to the order,
• relative to bidding for a commission designated by the second participant, the potential order pool system makes the bidding for the commission to the information processing system of each of the sell sides being the participants, and determines the sell side offering the most advantageous commission as an order placement destination, and the potential order pool system notifies a third information processing system of the first participant, a fourth information processing system of the second participant, and the information processing system of each of the sell sides to which the bidding for the commission has been made of establishment of a trading relative to the order if the potential order pool system receives a notification of acknowledgement relative to the cross-trading from the first information processing system,
• the third information processing system places the order to the first information processing system,
• the fourth information processing system places the order to the second information processing system of the sell side determined as the order placement destination, and
• the cross-trading relative to the orders is executed between the first information processing system and the second information processing system.

A securities trading management system accepting an order from a counterparty and managing securities trading performed by a sell side, the securities trading management system comprising:

• one or more information processing systems including an order management system managing the order from the counterparty on a buy side or a sell side being a participant participating in the securities trading;
• and
• a potential order pool system recording, in a database, information of an IOI (Indication of Interest) of each of the participants obtained from each of the information processing systems, and matching buying and selling between orders included in the respective IOI,
• wherein at least either one of the orders matched by the potential order pool system includes a potential order being an order scheduled to be executed by the participant in the future,
• relative to an order being matched between a first participant and a second participant and relative to inquiries about a commission designated by the first participant and the second participant, the potential order pool system makes the inquiries about the commission to the information processing system of each of the sell sides being the participants, and determines the sell sides offering the most advantageous commissions relative to the respective inquiries as a first order placement destination and a second order placement destination, and the potential order pool system notifies a first information processing system of the first participant, a second information processing system of the second participant, and the information processing system of each of the sell sides to which the inquiries inquiries about the commission has been made of establishment of a trading relative to the order,
• the first information processing system places the order to the third information processing system of the sell side determined as the first order placement destination,
• the second information processing system places the order to the fourth information processing system of the sell side determined as the second order placement destination, and
• the cross-trading relative to the orders is executed between the third information processing system and the fourth information processing system.