Price is trading below but close to lower 1st standard deviation from weekly (120-hour) mean amid expanding volatility, which hinds that it has a bias to break down further and enter a leg of a downward move.
The leg will be confirmed if price breaks relevant lows (at approx 0.73400).
Thus purely on technical basis it is a good idea now to take a short position close to the lower 1st standard deviation from 120-hour mean (0.73550) with a stop level at the mean (0.73800)
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Traders should also consider news events coming out 14:00 GMT (US NEW HOME SALES), which can trigger unexpected price volatility on AUDUSD.