As you can see from the AUDUSD chart it is hugging the daily tight. If it breaks and it is not a fakeout, buy that Aussie to the top! If it respects the , wait, be patient and when the time comes it's time to short.
This doesn't work every time, but it can be a clear signal that the direction of any pair may be changing, and the other side of the market is taking over. Apart from sentiment analysis, this is a quick fire way to see if the currency is making a switch and changing major directions.