When you buy a CFD you are ‘going long’. This means you are expecting the underlying price to to up so that you can sell it later at a higher price and make a profit. If the price goes down instead, you will make a loss.
Whey you sell a CFD (before you buy it) you are ‘going short’. This means that you are expecting the underlying price to go down so that you can buy it back at a lower price and make a profit. If the price goes up instead you will make a loss.
The advent of of the internet and online trading means that traders and investors now have access to markets almost 24 hours a day, not only during market hours in Australia.
Orders for CFDs over Australian stocks will only trade during normal market hours in Australia but CFDs over index or foreign exchange for example may trade up to 24 hours a day. CFDs over international stocks will trading during the opening hours of whatever market the international stock is from.