Trading using execution algorithms and direct market access could increase to just under 70% of European equities order flow by 2012 from 2009?s level of 51%, according to a new report by research and consulting firm Aite Group.
I can't see the situation being any different in Australia. Especially now with other markets starting to get approved and the introduction of the ASX newly announced trading system specifically built to allow HFT.
I think you are going to see massive algo volume increases in Australia. With the increased arb opportunities a lot more global funds will move in.