AUDUSD: a long setup on the reversal of a downtrend.

I don't usually like to trade FOREX because it's just random noise and bots but this time i'm noticing something. This pair has been in a downtrend since the 7th of September and we can see it fits well in the bollinger bands i put, bouncing between middle to lower band.
We have seen a failed breakthrough of the base line on the 22nd of September then followed by a sharp pullback. Now we see another breakthrough of the base line right up to the upper band, followed by another pullback but this time it tetest the base line successfully. So i'm thinking this could be the right time to place a long and be ready for the price to reach the upper bollinger band again.