47 ID Order Type Volume Bid Offer Volume Order Type ID A Displayed Limit 500 10.00 10.01 500 Displayed Limit B Action: Order C, Dark Limit Buy of 4000, MIS 900 @ 10.01 is entered. Order D, Dark Limit Sell 2000 @ 10.01 is entered. Result: Order C assigned: Limit Price of 10.01 and Booked Price 10.005, MIS 900. Order D meets the MIS specified by Order C. Order D fully filled 2000 shares of Order C @ 10.01. Order C rests in the book: 2000 shares @ 10.01, MIS 900. Updated Book NBBO: (10.00, 10.01) ID Order Type Volume Bid Offer Volume Order Type ID C Dark Limit 900 MIS 4000 10.005 10.01 2000 Dark Limit D C Dark Limit 900 MIS 2000 10.01 10.01 500 Displayed Limit B A Displayed Limit 500 10.00 14.4Conditional Order Interaction Scenarios 14.4.1Pro-rata allocation for Firm-up to Firm-up orders execution Conditional Order Book Order Broker Volume Side Invitation? 1 A 40,000 Buy Yes 2 B 50,000 Buy Yes 3 C 75,000 Sell Yes Firm up orders from client • Order 1 and 2 are eligible for an Invitation to Firm up and Buy • Order 3 is eligible for an Invitation to Firm up and Sell
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