So you tell the MM that you want to buy 4000 sh instead of 10,000 sh when you called him for the first 4000 sh.
By the way, "4000K at 1/4, get the autofill in 5 seconds," that's 4 million shares on autofill. A little typo maybe.
you said in Message 6676539 >> b. ok, so in this scenarios, lets say its a sizeable, order, to buy 10,000 ABCD at 50 1/4...its 50 x 50 1/4...relatively fast moving...i might but a bid out at 50 1/16 or 1/8 while i am calling the market maker...might show them 4000k at 1/4, get the autofill in 5 seconds, if nothing done on the ECn, i might do another 2k when they come back with the fill on the first 4k, wait a bit on an ECN , if nothing by the time they come back on the 2nd 2k, do the balance...
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