with regards to BOTs guys they are everywhere. 30% of our market volume is now HFT robots. All volumes around the world are low to new market conditions.
Insto now can exchange trades in dark pools behind the ASX hence the reason for the increase in dark pools around the worls and world record low volumes.
With new market regulations HFT and dark pools are the new cool things to get round regulations which have been set since GFC by regulators which are really protecting these new tactics.
Its destroying markets world wide and will get worse.