When price touched highest high at 4.4 $ on December 19th, 2017, candles entered to the falling wedge pattern and we know this is a continuation pattern. When draw retracement fibo from point C to D we see the price reverse from % 78.6 level and we can also see that our Fibonacci level (% 78.6) is fully coincident with our strong support level (1.4156 $) and for this reason this level has been good performance since February.