So bitcoin is once again reaching an important area of %Volatility, which precede historically a massive trend.
23 Jan, 2017, %Vol 0.75, begins an expansion of 80%
3 Apr, 2017, %Vol 1.39, begins an expansion of 1800%
22 Oct, 2018, %Vol 0.40, begins a retracement of 52%
25 Mar, 2019, %Vol 0.70, begins an expansion of 250%
9 Sept, 2019, %Vol 0.90, begins a retracement of 65%