Aussie short to 127 or 161.8 ext

price is at the top of a descending channel with a previous 2 touches. momentum is also bearish on higher time frames, if AB=CD then high probability of price reaching 161.8 ext in accordance with harmonic structure. MA are in correct positioning and 127 and 161.8 ext are in confluence with previous major support levels on weekly time frame. Risk-reward ratio over 3. stop above previous high 0.7748