That does not seem right unless there is something more hidden going on: 1) I issue on order and close a trade (using a broker as intermediary) 2) i have alrea

That does not seem right unless there is something more hidden going on: 1) I issue on order and close a trade (using a broker as intermediary) 2) i have already provided the liquidity to settle that trade which is already in the broker's control 3) why would the broker need to provide more liquidity to guarantee this trade? I have the feeling what you say is true but only because there is some finance magic going on that nobody needs but the finance system. I have tried to look for more information about this DTCC requeriment but couldn't find much.