We can see by using FIBO that the target of this retracement is to achieve extension 1.618 which coincide to resistant on hourly chart.
Entry at market or lower price preferably retest of 18.4247
Exit Target : 18.83000
Good Luck, this is a personal view, please due your own due diligence, you may lose money following this idea!!!
Price has moved following my plan , now for final touch toward 1.618 and may be beyond