This rally looks like a textbook subwave (c) in a corrective (a)-(b)-(c) up structure.
Sometimes wave (c) up has a clean five wave up subdivision. Sometimes, like in this case, it comes as a spiky move with indiscernible micro structure.
So far it has hit the target 1 at 138.2% extension of subwave (a) up = 1,774.75
We cannot exclude possibility that the rally extends to 176.4% ext = 1,807
That second target forms a confluence with 41.4% retracement = 1,807.47:
That (a) up, (b) down, (c) up structure creates a new short setup for another leg down: