Mike, thanks, and the above is what I thought. And as I believe, every trader is given a number similar to a Social Security number, so...
Thanks a lot for your answers everyone but I still think it's illegal because the second trade with Broker B (to cover the long to go flat), is...
Apparantly there's some rule for the US futures markets that says every trade has to be done in order to potentially make a profit (or something...
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