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A comment on Class Action Lawsuit Filed Against Robinhood. Parent comment
Order books have been nationally integrated since 2005 [1]. This is how independent HFT firms got their start.
[1] https://en.wikipedia.org/wiki/Regulation_NMS
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Order books have been nationally integrated since 2005 [1]. This is how independent HFT firms got their start.
[1] https://en.wikipedia.org/wiki/Regulation_NMS