While most trades look at a linearized theory like trend lines , triangles and channels it seems that in a bigger picture it is not linear at all. Here I interpolated the lows and highs of bitcoins 3 cycles by a curves that look like square root functions. There is only one parameter of freedom to choose such a square root function a* √x. Without going to deep into mathematics of finance we can see that 2.6-3k region should hold strong support.