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Re:Stock trade app Robinhood raising at $5B+, up 4X in a year by SEJeff on Thursday March 15, 2018 @10:44PM (#16598187)
And this is what limit orders are for. Disclaimer: I'm a robinhood user, who also works for a large high frequency trading firm. You're spot on (well that and robinhood gold is how they really make their money).
Re:Stock trade app Robinhood raising at $5B+, up 4X in a year by jnordwick on Friday March 16, 2018 @12:33AM (#16598648)
I used to work with the founders, Vlad and Bijou. The are smart and very entrepreneurial guys.

I actually assumed they were selling order flow. They have a ton of dumb money that many firms would die to interact with.

Re:Stock trade app Robinhood raising at $5B+, up 4X in a year by SEJeff on Friday March 16, 2018 @10:07AM (#16600722)
I'm sure you're right, like with most things in this industry!
Re:Stock trade app Robinhood raising at $5B+, up 4X in a year by justonepost on Friday March 16, 2018 @03:39PM (#16603443)
Limits don't work. Market might not cross your price.