Here are the computer generated bid quote patterns that are designed to raise and lower prices in NY. Note that these bids are actually NEVER Executed.
This is illegal but it is happening every day in every market. Futures, stocks, foreign exchange etc. And the Australian market is not an exception.
Bids being placed and pulled in microseconds by computers with no trades being effected --- illegal price manipulation pure and simple.
High Frequency Trading (HFT), Algorithmic Trading, BOT Trading, Co-Location, Super Computers (search Google) --all being used to steal from the market pure and simple.
The authorities, regulated financial institutions and hedge funds are gambling with the future of capitalism.