Banning Some HFT Strategies Helped This Market Grow: Chart

Re:Banning Some HFT Strategies Helped This Market Grow: Chart by ryporter on Tuesday March 08, 2016 @10:25AM (#11245744)

It links to a slightly longer article [1], which provides a bit of detail, but doesn't elucidate.

First of all, how do you only allow passive orders? If an order is marketable when it arrives at the exchange, then is it rejected?

Second, how does this resemble IEX's speed bump? I'm very confused.

[1] http://www.bloomberg.com/news/articles/2016-02-03/this-upsta...

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Re:Banning Some HFT Strategies Helped This Market Grow: Chart by minimax on Tuesday March 08, 2016 @10:40AM (#11245849)

Basically in their rulebook it says that all prop (as opposed to agency) flow must be passive, and if they find aggressive prop flow from a member they can terminate the membership.

The tie in to IEX is tenuous at best.

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Re:Banning Some HFT Strategies Helped This Market Grow: Chart by randomname2 on Tuesday March 08, 2016 @12:18PM (#11246679)

Good explanation of IEX here: https://www.fastcompany.com/3031242/a-no-nonsense-explanatio...

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Re:Banning Some HFT Strategies Helped This Market Grow: Chart by randomname2 on Tuesday March 08, 2016 @10:34AM (#11245815)

Well for one it explains why some HFT actors are so vehemently opposed to IEX's HFT-limiting exchange application, as investors leave any venue that still permits HFTs, and go to alternatives such as Aquis and, if its application is granted, IEX.

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Re:Banning Some HFT Strategies Helped This Market Grow: Chart by minimax on Tuesday March 08, 2016 @10:45AM (#11245898)

Comments like these... they just show you have no idea what you're talking about. Investors are perfectly free to trade on the IEX ATS all day long in its current incarnation.

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