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A comment on Timekeeping in Financial Exchanges. Parent comment

Re:Timekeeping in Financial Exchanges by bananaface on Sunday October 11, 2020 @03:10PM (#24748217)
Some forms of HFT work by getting information from other exchanges before you, then front-running on price differences.
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Re:Timekeeping in Financial Exchanges by denotational on Sunday October 11, 2020 @03:48PM (#24748516)
Front-running usually refers to a fairly specific scenario in which a brokerage or fiduciary executes orders as principal prior to dealing on behalf of their client so as to benefit from a market movement they anticipate will be caused by the client's orders.

This is categorically not what HFT firms are doing.

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Re:Timekeeping in Financial Exchanges by SamReidHughes on Sunday October 11, 2020 @03:30PM (#24748361)
That's not what front-running is.
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Re:Timekeeping in Financial Exchanges by lucaspauker on Sunday October 11, 2020 @03:33PM (#24748397)
This is arbitrage, not front running. Front running requires not-public information.
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