The last 1W MACD cross below zero marked the bottom of the bear.
Updated
The last time I see a 1W MACD cross below zero is March 2015 when the price was ~$220. Interestingly, this marked the bottom of the last bear market.
We have experienced a 1W MACD cross below zero again in October 2018.
We have experienced a 1W MACD cross below zero again in October 2018.
Comment
Cross in October 2018 is the second green arrow here- 
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