Most Australian platform don't provide depth and contracts you need to subscribe for a pro platform.
Will wait and see what is on offer with our US provider.
General Oz brokers trading fees are:
Up to $5000 USD $19.95AUD
Up to $10000 USD $29.95AUD
Above $10000USD 0.31% of trade.
Wish I was a bot trader.....$2AUD.....