Using Fibonacci and harmonic patterns (and possibly some good luck) it's possible generally to predict future price action(depending on conditions-
The price action in this chart is entirely contingent on moves that BTC makes. iPhone eights closely at any Alt coin chart - BTC's signature is ever present.
In no way is this chart meant to be traded around. However it could be used as a reference to give you ideas.
* this chart will certainly be invalidated if BTC makes a significant move downward
Good luck and best regards