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comment by AnonymousCoward
AnonymousCoward  ·  4788 days ago  ·  link  ·    ·  parent  ·  post: What is a Tobin Tax?
>Doing this would cause massive volatility, everybody would be stampeding in and out of assets at the same time. If you really want to stop HFT (which on the evidence available is actually nothing to do will the current market woes) you could simply make order cancellations more expensive, this would stop them all in their tracks. But I think this would solve nothing in the longer term.

I don't think he's saying they'd all be able to be sold or bought at the same time, just that 1 hour after it was bought, it could be sold.

Something bought at 8:30 could be sold at 9:30. It wouldn't make buying or selling only possible on the hour.





craig  ·  4787 days ago  ·  link  ·  
As anybody who knows day trading will tell you most traders trade at the start and the end of the day, but anyway I don't know for sure what the effect would be, nobody does.