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Re:Wall Street’s Big Banks Are Waging a Technological Arms Race by feiofh398r39rty on Thursday April 05, 2018 @10:59PM (#16770580)
>we do a lot of business together and I make you a lot of money >Other banks are watching and there are plenty of other exchanges to do business with

And the answer to that should be "sorry, if we will roll back your trade, SEC will put us out of business on the fraud charges".

Re:Wall Street’s Big Banks Are Waging a Technological Arms Race by traek on Thursday April 05, 2018 @11:41PM (#16770722)
Every exchange that I’m aware of has a rule allowing them to roll back clearly erroneous transactions. “Clearly erroneous” isn’t always clearly defined, but it would obviously apply in the GS case (huge volume executed at $1).

Nothing about this is fraud.

Re:Wall Street’s Big Banks Are Waging a Technological Arms Race by aje403 on Friday April 06, 2018 @09:02AM (#16772850)
There is a cosmological reason why you do not hold a position as a financial regulator