off the 0.618 level proved to be short lived and as we broke below it the next static level of strong support is @ 0.764 Fibonacci retracement ( $4772) which is very close to the 89 weeks (brown) WMA dynamic strong support (currently @ $5185). The rest of the CC market will find support together with Bitcoin.
https://www.mql5.com/en/charts/8270320/btcusd-w1-simplefx-ltd