Looks like there is a bearish divergence on the NDX weekly chart which means a week or 2 of selling in the general markets. Interestingly enough, stochastic on BTC weekly is now pointed down. Historically, this leads to substantial BTC declines(see arrows). Therefore, we might see BTC fall to approx $6.5K which would... drum roll... be a .618 Fib retracement. A common retracement for BTC. Happy trading :-)