It is often after the break out of triangle that the price will come back closely to the origin of the breakout.
Besides, the whole structure looks like double correction.
a-b-c, triangle and once again a-b-c
We had a strong 5 waves drop, which is marked here as "A or 1", then the corrective three waves move.
What should come next is another leg down. After breaking the rising trend line (red colour) the drop should accelerate.
After the breakout from the triangle it's usual that the market will come back to visit the middle of it again.
In our case it's around 446.
Depending if go to this level in 5 waves or in 3, we could probably decide the further movement