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Re:Reddit’s profane, greedy traders are shaking up the stock... by pbhjpbhj on Thursday February 27, 2020 @04:21AM (#22431849)
Surely the order flow is mostly going to look like noise, random. But things like local information and employee information would provide some signal - correlated trading patterns - that indicates there could be some information available to inform a trade. Allowing one to either trade on the meta-signal or seek the information behind it (and then trade).

So if you've got a company and the city in which it's headquartered just gets a strong buy signal, sure that could be random but I'd imagine ...

Surely having the meta-data on who is trading and linking that to trades is the primary benefit?

Re:Reddit’s profane, greedy traders are shaking up the stock... by zelly on Thursday February 27, 2020 @04:31AM (#22431891)
I would hope that spying on trades of employees of specific companies would be illegal, but it would not surprise me if Wall Street does use that information.
Re:Reddit’s profane, greedy traders are shaking up the stock... by randomcarbloke on Thursday February 27, 2020 @04:40AM (#22431945)
it isn't illegal and you can do it yourself, there are websites that show in (near) real-time interesting moves by employees/directors of companies liquidating or acquiring shares in their company.
Re:Reddit’s profane, greedy traders are shaking up the stock... by kgwgk on Thursday February 27, 2020 @08:56AM (#22433221)
You get the orders to fill, not the identity if the counterparty as far as I know.