Hi there!
Looks like we have some positive reversal signs on bitcoin chart:
1. Rebound from the ATH 2017 level;
2. Local downtrend breakout with closing weekly candle above;
3. Reverse breakdown of bearish pennant.
Any long trades has to be with stop loss at 18250$ - below the ATH 2017 level or lower than bearish pennant at 16700$.