PentarhUdi, almost 3 years ago:
https://www.tradingview.com/chart/BTCUSD/MrwPhbog-Long-Term-Bitcoin-price-extrapolation/

not bad for October 2016.
https://www.tradingview.com/chart/BTCUSD/MrwPhbog-Long-Term-Bitcoin-price-extrapolation/

not bad for October 2016.
His chart from December is still in play. He has us hitting ~$13-14K in July.