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A comment on D.E. Shaw and how computer geeks and English majors transformed Wall St. (2018). Parent comment

Re:D.E. Shaw and how computer geeks and English majors trans... by sesuximo on Saturday July 25, 2020 @09:59PM (#23953830)
Well “the price” might be totally different if there were no off-exchange orders. But I’m sort of being a devil’s advocate... I agree with your argument in practice since I don’t expect to see such open exchanges anytime soon
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Re:D.E. Shaw and how computer geeks and English majors trans... by badfrog on Saturday July 25, 2020 @10:24PM (#23953921)
> Well “the price” might be totally different if there were no off-exchange orders.

I'm not sure what that means, but there's no scenario in which you'd get a worse price. That would be illegal under the Reg NMS order protection rule.

https://www.investopedia.com/terms/o/order-protection-rule.a...

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Re:D.E. Shaw and how computer geeks and English majors trans... by sesuximo on Sunday July 26, 2020 @12:14AM (#23954389)
You won’t get a worse price than what the exchange says is the price, but that price Is a moving target; if all competitors could see all orders, the price would move. Idk if it makes a difference on average but it is a difference
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