Macquarie has introduced a new CFD trading platform that brings together potential tax and cost efficiencies for active traders.
One significant cost efficiency is achieved through offsetting funding of long and short positions. For example if you are long 500k and short 250k in Macquarie Prime you will pay interest on the net funding balance of 250k. The interest rate is a flat rate applied to the net funding position while in regular CFD providers there is a spread between borrowing and lending costs which is applied to the long funding position and short funding position separately.
For more details visit:
http://www.macquarie.com.au/emg/prime/home.htm